colloquial
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C1 adjective /kəˈləʊ.kwi.əl/

colloquial

口語
Meaning
Used in ordinary conversation rather than formal speech or writing; informal language.
Example
His colloquial expressions made the speech relatable.
彼の口語表現はスピーチをより身近なものにしました。
C1 adjective /ˌɪnhɒˈspɪtəbl/

inhospitable

住みにくい
Meaning
Harsh and difficult to live in; unfriendly or unwelcoming to guests.
Example
The desert is an inhospitable environment for most plants.
砂漠はほとんどの植物にとって住みにくい環境です。
C1 verb /ˌmɪsˌrɛprɪˈzɛnt/

misrepresent

Meaning
to give a false or misleading account of something
Example
The lawyer accused the witness of trying to misrepresent the facts.
C1 noun /pəˈrɪfəri/

periphery

周辺
Meaning
The outer edge or boundary of an area or object.
Example
The soldiers were stationed at the periphery of the camp.
兵士たちはキャンプの周辺に配置されていた。
C1 noun /daɪˈvɜː.ʃən/

Diversion

迂回
Meaning
the action of turning something aside from its course; an activity that diverts the mind
Example
The road closure forced a diversion through the countryside for all travelers.
道路の閉鎖により、すべての旅行者は田舎道を通って迂回することを余儀なくされました。
C1 noun /ˈledʒ.ər/

Ledger

元帳
Meaning
a book or other collection of financial accounts of a particular type
Example
The accountant updated the company ledger daily.
会計士は毎日会社の元帳を更新しました。
C1 noun rɪˌdʒɛnəˈreɪʃən

regeneration

再生
Meaning
Renewal, growth and development of cells, tissues or energy
Example
Proper rest allows muscle regeneration after exercise.
適切な休息は、運動後の筋肉の再生を促進します。
C1 noun/verb /ɡrʌdʒ/

grudge

Meaning
A persistent feeling of ill will or resentment from a past insult or injury.
Example
She still holds a grudge against him for what happened years ago.
C1 noun /ˈskævɪndʒər/

scavenger

死肉食者 / ゴミ収集者
Meaning
an animal or person that feeds on dead or discarded material
Example
Vultures are natural scavengers that clean up the environment.
ハゲワシは自然のスカベンジャーで、環境をきれいにします。
C1 verb /əˈtoʊn/

atone

償う
Meaning
to make amends for a wrong or injury; to make reparation
Example
He tried to atone for his mistakes by helping others.
彼は他の人を助けることで自分の過ちを償おうとした。
C1 verb /diːˈkoʊd/

decode

Meaning
to convert a coded message into a readable form; to interpret meaning
Example
The software can decode the hidden message within seconds.
C1 adjective /ˈkɒnvɛks/

convex

凸状の、外向きに丸みを帯びた
Meaning
curved or rounded outward
Example
The lens has a convex shape to focus light.
レンズは光を焦点を合わせるために凸の形状をしています。
C1 adjective /ˌeɪsɪˈmɛtrɪk/

asymmetric

非対称
Meaning
Not having equal or corresponding parts; lacking symmetry.
Example
The design of the building is asymmetric and unusual.
その建物のデザインは非対称であり、珍しいです。
C1 verb /ˈɪnstɪˌɡeɪt/

instigate

扇動する
Meaning
To bring about or initiate an action, often something negative.
Example
He was accused of instigating the riot.
彼は暴動を扇動したとして告発された。
C1 noun /ˈfɪɡjərˌhɛd/

figurehead

名目上の指導者
Meaning
a nominal leader with no real power; a symbolic head
Example
The king was merely a figurehead with no real authority.
王は実際の権限を持たない象徴的な指導者に過ぎなかった。
C1 noun /səˈlɛmnɪti/

solemnity

厳粛
Meaning
the state or quality of being serious and dignified
Example
The ceremony was conducted with great solemnity.
式典は厳粛な雰囲気の中で行われました。
C1 noun ˌdiːˌrɛɡ.jʊˈleɪ.ʃən

deregulation

規制緩和
Meaning
The removal or reduction of government regulations in an economic sector.
Example
Deregulation has increased competition in the telecommunications sector.
規制緩和は通信業界で競争を促進しました。
C1 noun ˈæk.si.əm

axiom

公理
Meaning
A statement or principle that is considered true and does not require proof.
Example
Actions speak louder than words is a well-known axiom.
行動は言葉よりも雄弁である、それはよく知られた公理です。
C1 adjective /ˌsʌb.təˈreɪ.ni.ən/

subterranean

地下
Meaning
Existing, occurring, or done under the earth's surface.
Example
Subterranean water sources help sustain agriculture.
地下の水源は農業の維持に役立ちます。
C1 noun /ˈmaɪkrəʊˌklaɪmæt/

microclimate

ミクロクライメート
Meaning
The climate of a small, specific area that may differ from the general climate of the surrounding region, often influenced by local factors like terrain, vegetation, or buildings.
Example
A microclimate can have a significant impact on plant growth.
マイクロクライメートは植物の成長に重要な影響を与える可能性があります。
C1 verb /flɪntʃ/

flinch

ひるむ
Meaning
to suddenly move back or away due to fear or pain
Example
He didn’t flinch when the doctor gave him the injection.
彼は医者が注射をする時、ひるむことはなかった。
C1 adjective /ˈwer.i/

Wary

用心深い; 警戒心の強い
Meaning
cautious; careful to avoid danger or problems
Example
She was wary of strangers approaching her at night.
彼女は夜に近づいてくる見知らぬ人に警戒していた。
C1 noun /tækˈsɒnəmi/

taxonomy

分類学
Meaning
The science or practice of classifying things, especially organisms.
Example
Modern taxonomy helps scientists organize and study biodiversity.
現代の分類学は、科学者たちが生物多様性を整理し、研究するのを助けます。
C1 adjective /ˈnær.oʊ ˈmaɪn.dɪd/

Narrow-minded

視野が狭い
Meaning
unwilling to consider new ideas; prejudiced; intolerant; having a limited perspective
Example
His narrow-minded attitude prevented him from accepting new ideas.
彼の視野が狭いため、新しいアイデアを受け入れることができませんでした。
C1 adverb /suːˈpɜːb.li/

Superbly

素晴らしく
Meaning
in an excellent or outstanding manner
Example
She performed superbly in the dance competition.
彼女はダンスコンテストで素晴らしくパフォーマンスをしました。
C1 noun /dɪˈfjuːʒən/

diffusion

Meaning
the spreading of something more widely or the movement of particles from high to low concentration
Example
The diffusion of information on social media is rapid.
C1 adjective /vɪnˈdɪk.tɪv/

Vindictive

復讐心の強い
Meaning
having or showing a strong or unreasoning desire for revenge
Example
His vindictive behavior towards his former colleagues was unprofessional.
彼の復讐心に満ちた行動は、以前の同僚に対して不適切でした。
C1 adjective /pərˈpɔːrtɪd/

purported

主張された
Meaning
alleged or claimed to be true, often without proof
Example
The purported evidence was later proven false.
主張された証拠は後に間違っていると証明されました。
C1 noun /ɪɡˈzɛkjətər/

executor

遺言執行者
Meaning
A person appointed to carry out the terms of someone's will after their death.
Example
The executor managed the estate according to the deceased’s wishes.
遺言執行者は故人の意志に従って財産を管理しました。
C1 noun /jiːld ˌɒptɪmaɪˈzeɪʃən/

yield optimization

収穫最適化
Meaning
The process of maximizing the productivity or efficiency of crop production through various agricultural techniques and practices.
Example
Yield optimization techniques can significantly improve crop production.
収穫最適化技術は作物生産を大幅に改善できます。
C1 noun /ˌsʌb.stɪˈtjuː.ʃən/

substitution

交換
Meaning
the action of replacing someone or something with another
Example
The substitution of the old system with the new one was difficult.
古いシステムを新しいシステムに置き換えることは難しかった。
C1 noun /rɪˈliːf treɪn/

Relief Train

救援列車
Meaning
a train that carries emergency supplies and aid to disaster-affected areas
Example
The relief train arrived with food and medical supplies for the flood victims.
救援列車は洪水の被害者のために食料と医療物資を運んできました。
C1 noun /rɪˈpɑːzɪtɔːri/

repository

リポジトリ
Meaning
a place where things are stored or kept for safekeeping
Example
The library serves as a repository of knowledge.
図書館は知識のリポジトリとして機能します。
C1 adjective /ʌnˈkʌltʃəd/

Uncultured

無教養な; 教養のない
Meaning
lacking good manners, refinement, or education; uncivilized
Example
His uncultured behavior embarrassed everyone at the dinner party.
彼の無教養な行動はディナーパーティーでみんなを困らせた。
C1 verb /ˈstɪntɪŋ/

stinting

けちけちと与える
Meaning
to supply sparingly or with restrictions
Example
He never stinting his efforts to help the poor.
彼は貧しい人々を助けるために決して手を抜きません。
C1 adjective /ɪkˈskruːʃieɪtɪŋ/

excruciating

耐えられない痛み
Meaning
causing extreme physical or mental pain
Example
She was in excruciating pain after the accident.
彼女は事故の後、耐えられない痛みを感じていた。
C1 noun /ˈkɑːrtrɪdʒ/

cartridge

カートリッジ
Meaning
A container holding a substance or device, such as ink for printers or bullets for firearms.
Example
The printer stopped working because the ink cartridge was empty.
プリンターはインクカートリッジが空になったため、動作を停止しました。
C1 noun /oʊˈbɪt.ʃu.er.i/

Obituary

訃報
Meaning
a notice of someone's death published in a newspaper; biographical account of deceased person
Example
The newspaper published his obituary yesterday.
新聞は昨日彼の訃報を掲載しました。
C1 noun /ˈhaɪndsaɪt/

hindsight

後知恵
Meaning
Understanding of a situation only after it has happened.
Example
With the benefit of hindsight, we realized the decision was a mistake.
後知恵で、私たちはその決断が間違いだったことに気づきました。
C1 adjective /ˈnɑːkʃəs/

noxious

有害な
Meaning
harmful, poisonous, or very unpleasant
Example
The factory released noxious fumes into the air.
工場は空気中に有害な煙を放出した。
C1 verb /ˈhɔːrɪfaɪ/

horrify

恐れさせる
Meaning
to fill with horror; to shock or disgust greatly
Example
The violent scene horrified the audience.
暴力的な場面が観客を恐れさせた。
C1 verb /ˈɛkstrɪkeɪt/

extricate

救出する
Meaning
To free someone or something from a constraint or difficulty.
Example
The firefighters extricated the passengers from the wrecked car.
消防士たちは事故車から乗客を救出しました。
C1 adjective /ˈtɪp.tɒp/

Tiptop

最高の; 完璧な状態
Meaning
of the highest quality; excellent; in perfect condition
Example
The car is in tiptop condition.
車は最高の状態です。
C1 verb, noun /klɑːɡ/

clog

詰まる / 木靴
Meaning
to block or become blocked; a type of heavy wooden shoe
Example
The sink was clogged with food waste.
シンクは食べ物のゴミで詰まっていました。
C1 adjective /ˈsʌbstəntɪv/

substantive

重要
Meaning
Having a firm basis in reality; important, meaningful, or considerable.
Example
The company made substantive changes to its policy.
会社はその方針に重要な変更を加えました。
C1 noun /ˈkɑːmənˌwɛlθ/

commonwealth

コモンウェルス
Meaning
an independent community or state, especially one founded for the common good; also an association of nations
Example
Australia is a member of the Commonwealth of Nations.
オーストラリアはコモンウェルス加盟国です。
C1 noun /ˈhɔːrtɪˌkʌltʃər/

horticulture

Meaning
The art or practice of garden cultivation and management.
Example
Horticulture plays a vital role in producing fruits, vegetables, and ornamental plants.
C1 noun /ˈkeɪ.sɪŋ/

Casing

カバー; 外殻
Meaning
a cover or shell that protects or encloses something
Example
The mechanic removed the engine casing to examine the internal parts.
整備士はエンジンの外殻を取り外して内部の部品を調べました。
C1 noun /dɪsˈɪntrəst/

disinterest

無関心
Meaning
lack of interest or concern
Example
His disinterest in the project was obvious.
そのプロジェクトへの無関心は明らかだった。
C1 verb /ˈmiː.di.eɪt/

mediate

調停する
Meaning
To act as an intermediary in bringing about agreement or reconciliation between parties.
Example
She was asked to mediate between the two companies.
彼女は二つの会社の間で調停するよう求められました。
C1 noun /nuːs/

Noose

ロープ
Meaning
a loop with a running knot used for hanging; a trap or snare
Example
The cowboy made a noose to catch the wild horse.
カウボーイは野生の馬を捕まえるためにロープを作りました。
C1 noun /ˈwʊd.ən ˈsæn.dəl/

Wooden sandal

木製サンダル
Meaning
a type of footwear made of wood, typically worn as traditional shoes
Example
She wore wooden sandals to the traditional ceremony.
彼女は伝統的な儀式で木製サンダルを履いていた。
C1 noun /ˈvɜːrtɛks/

vertex

頂点
Meaning
The highest point; the top or the apex.
Example
The climber reached the vertex of the mountain.
登山者は山の頂点に達しました。
C1 verb /ˌriːˈmɒdəl/

remodel

改装する
Meaning
To change the structure or form of something, especially a building.
Example
They decided to remodel their kitchen last summer.
彼らは昨年の夏にキッチンをリモデルすることに決めました。
C1 noun /ˈlɛktən/

lectern

lectern
Meaning
A tall stand with a sloping top used to support a book, notes, or script during a speech or lecture.
Example
The professor placed her notes on the lectern before starting her lecture.
教授は講義を始める前にレクタウンにノートを置きました。
C1 verb /ˈpæs.ɪ.faɪ/

pacify

鎮める
Meaning
To quell the anger, agitation, or excitement of someone.
Example
The mother tried to pacify her crying child.
母親は泣いている子を落ち着かせようとした。
C1 noun /ˈvæntɪdʒ/

vantage

有利な位置
Meaning
a position or situation that gives an advantage or a good view
Example
From this vantage, we could see the entire valley.
この位置から、私たちは谷全体を見ることができました。
C1 noun /ˌsəʊ.ʃi.əʊˈek.ə.nɒm.ɪk ˈprɒɡ.res/

socioeconomic progress

社会経済的進歩
Meaning
Advancement in both social and economic conditions of a society or community.
Example
Socioeconomic progress uplifts marginalized communities.
社会経済的進歩は、疎外されたコミュニティを引き上げます。
C1 noun /weɪl/

Wail

泣き声; 叫び
Meaning
a prolonged cry of pain, grief, or anger; to cry loudly
Example
The child's wail could be heard throughout the house.
その子供の泣き声は家中に聞こえた。
C1 adjective /ˈpɑːm.pəs/

Pompous

気取った; うぬぼれた; 過度に豪華な
Meaning
showing off; pretentious; overly grand
Example
His pompous attitude annoyed everyone at the meeting.
彼の気取った態度は会議でみんなを苛立たせました。
C1 noun /ˌsaɪkoʊˈθɛrəpi/

psychotherapy

心理療法
Meaning
The treatment of mental disorder by psychological rather than medical means.
Example
She attended weekly psychotherapy sessions to cope with her anxiety.
彼女は不安に対処するために、毎週心理療法のセッションに参加しました。
C1 adjective /ˌɪnstənˈteɪniəs/

instantaneous

即時
Meaning
Happening immediately, without any delay.
Example
The change in temperature was almost instantaneous.
温度の変化はほぼ即時でした。
C1 noun /ˈtæm.ər.ɪnd/

Tamarind

タマリンド
Meaning
a brown tropical fruit with a tangy, sour taste used in cooking and beverages
Example
Tamarind is commonly used in Asian and Middle Eastern cuisines for its sour flavor.
タマリンドはその酸っぱい味でアジアや中東の料理でよく使われます。
C1 noun /kɑːrˈtɒɡrəfər/

cartographer

地図製作者
Meaning
A person who makes maps.
Example
The cartographer carefully drew the map of the new territory.
カートグラファーは新しい地域の地図を慎重に描きました。
C1 adjective /ˈsɛreɪtɪd/

serrated

鋸歯状の
Meaning
Having a notched or saw-toothed edge.
Example
The bread knife had a serrated blade.
パンナイフは鋸歯状の刃を持っていた。
C1 verb ɪˈmɜːrs

immerse

浸る
Meaning
To involve oneself deeply in a particular activity or interest; to surround completely.
Example
Immerse yourself in the new language.
新しい言語に浸ってください。
C1 adjective /ˈflɪmzi/

flimsy

弱々しい
Meaning
weak, fragile, or lacking in strength; not convincing
Example
The chair was too flimsy to support his weight.
その椅子は重さを支えられないほど弱々しかった。
C1 noun /ˌrɛs.ɪˈprɒs.ɪ.ti/

reciprocity

相互利益のために他の人と物を交換する行為
Meaning
The practice of exchanging things with others for mutual benefit.
Example
Business relationships thrive on reciprocity.
ビジネス関係は相互利益に依存しています。
C1 noun /ˈswiːt.miːt/

Sweetmeat

お菓子
Meaning
a small piece of confectionery or candy; a sweet delicacy
Example
The children enjoyed the traditional sweetmeats during the festival.
子供たちは祭りの間に伝統的なスイートミートを楽しみました。
C1 adjective /kræs/

crass

無神経な、感受性や洗練さが欠けている
Meaning
lacking sensitivity, refinement, or intelligence
Example
His crass remarks offended everyone at the meeting.
彼の無神経な発言は会議で全員を怒らせました。
C1 noun ˈmaɪ.krəʊˌnjuː.tri.ənts

micronutrients

微量栄養素
Meaning
Essential nutrients required by organisms in small quantities throughout life to orchestrate a range of physiological functions.
Example
Micronutrients are essential for cellular function.
微量栄養素は細胞機能に不可欠です。
C1 noun /səˈvænə/

savanna

サバンナ（散在する木々がある草原）
Meaning
a grassy plain with scattered trees, typical of tropical and subtropical regions
Example
Giraffes browsed on acacia trees across the wide savanna.
キリンは広いサバンナでアカシアの木の葉を食べていました。
C1 adjective /bəˈroʊk/

baroque

バロック様式
Meaning
relating to a highly ornate and extravagant style of art, architecture, or music from the 17th and early 18th centuries; excessively elaborate or complex
Example
The church was decorated in a baroque style with intricate details.
教会はバロック様式で複雑な詳細で飾られていました。
C1 noun /fɔːrˈmæl.ə.ti/

Formality

形式
Meaning
the rigid observance of rules of convention or etiquette; a thing done simply to comply with requirements
Example
The signing of the contract was just a formality; the deal was already agreed upon.
契約書にサインすることは単なる形式でした。契約はすでに合意されていました。
C1 adjective /frəˈtɜːrnəl/

fraternal

Meaning
Relating to brothers or brotherhood; friendly and supportive.
Example
The two nations maintain a fraternal relationship.
C1 verb /ˈməʊbɪlaɪz/

mobilize

動員する
Meaning
to organize or prepare people or resources for action
Example
The leader worked hard to mobilize the community for the protest.
リーダーは抗議のためにコミュニティを動員するために一生懸命働きました。
C1 noun ˈkəmˌpaʊndɪŋ

compounding

複利
Meaning
The process whereby interest is added to an amount of money and future interest is calculated on the total.
Example
Compounding interest increases the value of investments over time.
複利は時間が経過するにつれて投資の価値を増加させます。
C1 noun, verb /bʌldʒ/

bulge

Meaning
A swelling or protruding part; to swell outward or protrude.
Example
The bag began to bulge with too many books inside.
C1 noun /ˈliːvˌteɪ.kɪŋ/

leave-taking

お別れ
Meaning
an act of saying goodbye; farewell
Example
His leave-taking from his friends was emotional.
彼の友達へのお別れは感動的でした。
C1 verb /kəˈmɛmɔˌreɪt/

commemorate

記念する
Meaning
To honor and remember someone or something through a ceremony or action.
Example
The statue was built to commemorate the fallen heroes.
その像は、倒れた英雄たちを記念して作られました。
C1 noun /ˈnɑːrsɪsɪst/

narcissist

ナルシシスト
Meaning
A person who has an excessive interest in or admiration of themselves.
Example
Everyone avoided him because he was a narcissist.
みんな彼を避けていた、なぜなら彼はナルシシストだったから。
C1 noun /ˌɑːpərˈtuːnɪst/

opportunist

機会主義者
Meaning
A person who takes advantage of situations for personal gain, often disregarding principles.
Example
He is seen as an opportunist who always puts his interests first.
彼は常に自分の利益を第一に考える機会主義者として見られています。
C1 noun /ˈpɜːrɡəˌtɔːri/

purgatory

Meaning
A place or state of suffering inhabited by the souls of sinners who are expiating their sins before going to heaven; a temporary condition of torment or suffering.
Example
After the accident, the long recovery felt like a kind of purgatory.
C1 noun /ɪnˈfɜː.mə.ti/

Infirmity

虚弱; 病気; 衰弱
Meaning
physical or mental weakness; a disease or ailment; frailty
Example
Despite his advanced age and various infirmities, he remained mentally sharp and alert.
高齢で多くの病気を抱えていても、彼は精神的に鋭く、警戒心を持ち続けました。
C1 verb /ˈskʌr.i/

scurry

速く走る
Meaning
To move quickly with short, hurried steps.
Example
The mice scurried across the kitchen floor when the lights turned on.
ライトがついたとき、ネズミたちはキッチンの床を速く走った。
C1 adjective /ˈfɜːr.vənt/

fervent

情熱的な、熱心な
Meaning
having or showing intense passion or enthusiasm
Example
She gave a fervent speech about climate change.
彼女は気候変動について情熱的なスピーチを行った。
C1 noun /əˈluːʒən/

allusion

暗示
Meaning
An indirect reference to something without mentioning it explicitly.
Example
Her story contained an allusion to a famous myth.
彼女の話には有名な神話への暗示が含まれていた。
C1 noun /læʃ/

Lash

まつげ; 鞭打ち
Meaning
an eyelash; a sharp blow with a whip or rope; to strike forcefully
Example
She carefully applied mascara to make her lashes look longer and darker.
彼女は慎重にマスカラを塗って、自分のまつげを長く、濃く見せようとしました。
C1 verb /ˌʌndərˈsɛl/

undersell

Meaning
to sell something at a lower price than competitors or to downplay the value of something
Example
The shop undersold its rivals by offering huge discounts.
C1 noun /ˌmɪsˈtrʌst/

Mistrust

不信
Meaning
Lack of trust; suspicion or doubt about someone or something
Example
There was deep mistrust between the two political parties.
二つの政治的政党の間に深い不信があった。
C1 noun /pəˈrɪm.ɪ.tər/

perimeter

周囲
Meaning
the continuous line forming the boundary of a closed geometric figure or area
Example
The soldiers guarded the perimeter of the camp.
兵士たちはキャンプの周囲を守った。
C1 adverb /ˈkɔːrdiəli/

Cordially

心から
Meaning
in a warm and friendly manner; sincerely
Example
You are cordially invited to our wedding ceremony.
あなたは私たちの結婚式に心から招待されています。
C1 noun /ˈwɔːkɪŋ fɪʃ/

Walking-fish

ウォーキングフィッシュ
Meaning
a fish that can move on land using its fins and breathe air for extended periods
Example
The walking-fish can travel across dry land to find new water sources.
ウォーキングフィッシュは乾燥した土地を越えて新しい水源を見つけることができます。
C1 adjective /ˈəʊnərəs/

onerous

重い
Meaning
involving a great deal of effort, difficulty, or burden
Example
Fulfilling the contract proved to be an onerous task for the company.
契約を履行することは会社にとって負担の大きい仕事だと証明された。
C1 noun /ˈtrænsfərəns/

transference

転送
Meaning
The act of moving something from one place, person, or situation to another.
Example
The transference of knowledge is essential in education.
知識の転送は教育において不可欠です。
C1 adjective /ɪnˈsteɪbəl/

instable

不安定な
Meaning
not stable; liable to change, collapse, or fail; lacking firmness or reliability
Example
The instable political situation worried foreign investors.
不安定な政治状況が外国の投資家を心配させた。
C1 noun /ˈʌp.rɔːr/

Uproar

騒動; 騒ぎ; 騒音
Meaning
a loud and emotional noise or disturbance; public outcry
Example
The announcement caused an uproar among the students.
その発表は学生たちの間で騒動を引き起こしました。
C1 noun /ˈkʌn.stə.bəl/

constable

巡査
Meaning
a police officer of the lowest rank
Example
The constable directed traffic at the busy intersection.
巡査は混雑した交差点で交通を指導しました。
C1 noun ˌdiː.sen.trə.laɪˈzeɪ.ʃən

decentralization

分権
Meaning
The transfer of authority from central to local government.
Example
Decentralization promotes regional autonomy.
分権は地域の自立を促進します。
C1 adjective /ˌɪnəˈfɛnsɪv/

inoffensive

無害な
Meaning
Not likely to offend or provoke; harmless.
Example
His inoffensive remarks kept the conversation friendly.
彼の無害なコメントは会話を友好的に保ちました。
C1 noun ˌɪn.ɪˈfɪʃ.ən.si

inefficiency

非効率
Meaning
The state or quality of not achieving maximum productivity; failure to make the best use of time or resources.
Example
Government inefficiency leads to slow project completion.
政府の非効率性がプロジェクトの完了を遅らせる。
C1 adjective /kweɪnt/

quaint

古風で魅力的な
Meaning
attractively unusual or old-fashioned
Example
They stayed in a quaint little cottage by the sea.
彼らは海の近くの趣のある小さな小屋に泊まりました。
C1 noun /mɔːrɡ/

morgue

Meaning
a place where dead bodies are kept, especially to be identified or claimed
Example
The police took the body to the morgue for identification.
C1 verb /ˈɛm.jʊˌleɪt/

emulate

模倣する
Meaning
to imitate someone or something with the intent to equal or surpass
Example
Young athletes often emulate their idols.
若いアスリートはよく自分のアイドルを模倣します。
C1 adjective /ʌnˈsɪvəlaɪzd/

Uncivilized

未開の; 野蛮な;
Meaning
not developed in terms of civilization; lacking social organization and culture; barbarous
Example
The explorers encountered an uncivilized tribe deep in the Amazon rainforest.
探検家たちはアマゾンの雨林の奥深くで未開の部族に出会った。
C1 verb /ˈwɒd.əl/

waddle

ヨチヨチ歩き
Meaning
to walk with short steps and a clumsy swaying motion, like a duck
Example
The duck waddled across the yard.
カモは庭をヨチヨチ歩きで渡った。
C1 noun /ˈæltoʊ/

alto

アルト (成人の歌声)
Meaning
the second highest adult singing voice, between soprano and tenor
Example
She sang the alto part in the choir beautifully.
彼女は合唱団でアルトパートを美しく歌いました。
C1 noun /ˈbærɪˌtoʊn/

baritone

低い男性の声
Meaning
a male singing voice between tenor and bass
Example
The singer’s baritone voice impressed the audience.
歌手のバリトンの声は観客に感銘を与えました。
C1 noun /ˈfaɪərɑːm/

firearm

火器
Meaning
a weapon capable of firing a projectile using gunpowder or other propellant
Example
The police found a hidden firearm during the investigation.
警察は調査中に隠された銃器を発見しました。
C1 noun /moʊˈtiːf/

motif

Meaning
A recurring theme, subject, or idea in a work of art or literature.
Example
The motif of love is central to the novel.
C1 noun /ˈmælədi/

Malady

病気; 疾患; 重大な問題
Meaning
A disease or ailment; a serious problem
Example
The doctor diagnosed a rare malady that affected her nervous system.
医者は神経系に影響を与えた珍しい病気を診断しました。
C1 adjective /ˈbrɪslɪŋ/

bristling

逆立ちした; エネルギーに満ちた
Meaning
full of energy, anger, or excitement; showing bristles standing up
Example
He entered the room bristling with confidence.
彼は自信満々で部屋に入った。
C1 verb /ˌɪn.trəˈspekt/

introspect

内省する
Meaning
To examine one's own thoughts, feelings, or mental state.
Example
He often introspects before making important decisions.
彼は重要な決定を下す前にしばしば自己分析をします。
C1 adjective /ˌʌnɪmˈplɔɪəbəl/

unemployable

雇用不適格
Meaning
Not able to be employed; lacking the skills or qualities necessary for employment
Example
Due to his criminal record, he was considered unemployable in most companies.
彼の犯罪歴のため、ほとんどの会社で雇用不適格と見なされた。
C1 verb /ˈstæmər/

stammer

どもる
Meaning
To speak with sudden involuntary pauses and a tendency to repeat the initial letters of words.
Example
The nervous student began to stammer during his speech.
緊張した学生はスピーチ中にどもり始めた。
C1 adjective liːst prɪˈpeərd

least prepared

最も準備ができていない
Meaning
Having the minimum level of readiness or equipment to handle a situation.
Example
Bangladesh is among the least prepared for climate adaptation.
バングラデシュは気候変動適応のために最も準備ができていない国の一つです。
C1 verb /ˈpʌməl/

pummel

殴りつける
Meaning
To strike repeatedly with the fists; to beat or hit forcefully.
Example
The boxer pummeled his opponent in the final round.
ボクサーは最終ラウンドで相手を激しく殴りつけた。
C1 adjective /ɪnˈdɪɡnənt/

indignant

憤慨した
Meaning
Feeling or showing anger at something considered unfair or unjust.
Example
She was indignant when accused of cheating.
彼女は不正行為を非難されたとき、憤慨していた。
C1 verb /səbˈmɜːrdʒ/

submerge

沈める
Meaning
to put under water or cover with liquid
Example
The floodwaters threatened to submerge the village.
洪水の水が村を沈めると脅かしていました。
C1 noun /ˈhʌbʌb/

hubbub

騒音
Meaning
a loud noise caused by a crowd of people talking or shouting
Example
There was a hubbub in the market as the sale began.
販売が始まると、市場で騒音が起こりました。
C1 noun /ˌɪnsɪɡˈnɪfɪkəns/

insignificance

重要でないこと
Meaning
The quality of being unimportant or trivial.
Example
He felt a sense of insignificance in the vast universe.
彼は広大な宇宙で重要でないことを感じました。