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C1 verb /ˈbəʊl.stər/

bolster

強化する
Meaning
To support or strengthen; to prop up.
Example
The new policy aims to bolster economic growth.
新しい政策は経済成長を強化することを目的としています。
A1 noun /praɪs/

price

価格
Meaning
the amount of money expected, required, or given for something
Example
The price of the car has increased recently.
車の価格は最近上がりました。
C2 adjective /ˌɪn.trəˈmjʊə.rəl/

intramural

学内
Meaning
Occurring within the walls of a single institution, especially a school or college.
Example
The college organizes intramural sports competitions every semester.
大学は毎学期、学内スポーツ競技を開催しています。
C1 noun /ɪnˈsɜːrdʒənt/

insurgent

反乱者
Meaning
A person who rises in revolt against authority or government.
Example
The army arrested several insurgents after the attack.
軍隊は攻撃後、数人の反乱者を逮捕した。
C1 adjective /əˈdɛpt/

adept

熟練
Meaning
Very skilled or proficient at something.
Example
She is adept at solving complex mathematical problems.
彼女は複雑な数学の問題を解決するのが得意です。
C2 adjective /ˈmjuːlɪʃ/

mulish

Meaning
extremely stubborn or unwilling to change
Example
She remained mulish despite all the convincing arguments.
C1 adverb /ˈæmpli/

amply

十分に
Meaning
more than sufficiently; generously
Example
She was amply rewarded for her hard work.
彼女は努力の結果、十分に報われました。
C1 noun /ˈstreɪnər/

Strainer

こし器
Meaning
a device having holes punched in it or made of crossed wires for separating solid matter from a liquid
Example
Use a strainer to drain the pasta water.
パスタの水を切るためにこし器を使ってください。
C1 noun /ˈmɑː.kɪt ˌpen.ɪˈtreɪ.ʃən/

Market Penetration

市場浸透
Meaning
A measure of the amount of sales or adoption of a product or service compared to the total theoretical market for that product or service.
Example
High market penetration ensures competitive dominance.
市場浸透が競争優位性を確保する。
C2 adjective /ˌɛvɪˈdɛnʃəl/

evidential

証拠の
Meaning
relating to or providing evidence
Example
The lawyer presented evidential support for her claims.
弁護士は彼女の主張に対する証拠のサポートを提供しました。
B1 adjective /ˈfəʊkəst/

focused

集中
Meaning
Directing a great deal of attention or effort toward a particular activity, situation, or person.
Example
Staying focused during work hours enhances productivity.
勤務時間中に集中することで生産性が向上します。
A1 adjective /eɪtθ/

eighth

8番目
Meaning
coming after the seventh position in a sequence; one of eight equal parts
Example
She finished in eighth place in the race.
彼女はレースで8位でフィニッシュしました。
C1 adjective dɪ ˈskrɛʃ.ən.er.i

discretionary

裁量の
Meaning
Available for use at the discretion of the user; not required or mandatory.
Example
He set aside some discretionary income for travel.
彼は旅行のためにいくらかの裁量所得を取っておいた。
C2 noun /ˈtrɪbjuːn/

tribune

Meaning
a person or platform representing the people; historically, a Roman official elected to protect citizens' rights
Example
He was seen as a tribune of the common people.
A1 preposition /frəm/ or /frʌm/

from

から
Meaning
Used to indicate the starting point of a journey, action, or source.
Example
She came from Dhaka to visit her family.
彼女はダッカから家族を訪ねて来ました。
C1 adjective /ˈɡraʊnd.ləs/

Groundless

根拠がない; 理由がない
Meaning
without foundation or justification; baseless
Example
His accusations against her were completely groundless.
彼の彼女に対する非難は完全に根拠がなかった。
C1 noun /baɪl/

Bile

胆汁
Meaning
a bitter greenish-brown alkaline fluid that aids digestion and is secreted by the liver and stored in the gallbladder
Example
The liver produces bile to help digest fats.
肝臓は脂肪の消化を助けるために胆汁を生成します。
C1 noun /ɪmˈbɑː.ɡoʊ/

embargo

貿易禁止
Meaning
A trade ban, restriction, or prohibition imposed by a government or international organization on a country.
Example
The UN imposed an embargo on arms exports.
国連は武器輸出に対して禁輸を課しました。
C2 noun /ɪnˈdɛntʃər/

indenture

Meaning
A formal legal agreement, contract, or document, often relating to work or service.
Example
In the 18th century, many workers came under indenture to work overseas.
C2 verb /ˈeksɔːrsaɪz/

exorcise

Meaning
To drive out an evil spirit or bad influence through rituals or prayers.
Example
The priest was called to exorcise the spirit from the house.
B2 verb /dɪˈspætʃ/

dispatch

送る
Meaning
to send off to a destination or for a purpose
Example
The company dispatched aid to the flood victims.
その会社は洪水の被害者に援助を発送しました。
C2 verb ɪɡˈzɔːrt

exhort

強く促す
Meaning
To strongly encourage or urge someone to do something.
Example
The teacher exhorted students to work hard for exams.
先生は学生たちに試験のために一生懸命勉強するよう促した。
C1 noun /ˌdʒuː.bɪˈleɪ.ʃən/

jubilation

歓喜
Meaning
a feeling or expression of great happiness and triumph
Example
There was jubilation in the streets after the victory.
勝利後、街中は歓喜に包まれていました。
C1 noun /sɪˈdʌk.ʃən/

Seduction

誘惑; 誘惑
Meaning
the action of seducing someone; temptation to do something wrong
Example
He fell victim to the seduction of easy money.
彼は簡単な金儲けの誘惑に負けた。
B2 noun /njuːˈtrɪʃ.ən/

nutrition

栄養
Meaning
The process of providing or obtaining the food necessary for health and growth.
Example
Good nutrition is vital for a healthy life.
良い栄養は健康的な生活にとって重要です。
C2 noun/verb /ˈmæn.ə.kəl/

manacle

手錠
Meaning
A metal shackle for fastening someone's hands or ankles; also to restrain with such shackles.
Example
The prisoner was manacled before being taken to court.
囚人は裁判所に連れて行かれる前に手錠をかけられました。
B2 noun /mɪkst ˈkʌlər/

Mixed colour

混合色
Meaning
a color created by combining two or more different colors
Example
The mixed colour created a beautiful gradient on the canvas.
混合色はキャンバスに美しいグラデーションを作り出しました。
B2 noun /bɪtʃ/

Bitch

雌犬;
Meaning
a female dog; an unpleasant or spiteful woman (offensive)
Example
The bitch gave birth to five puppies.
その雌犬は5匹の子犬を産んだ。
C1 verb /ˌaʊtˈstrɛtʃ/

outstretch

外に伸ばす
Meaning
To extend or stretch something outward.
Example
He outstretched his hand to help her up.
彼は彼女を助けるために手を差し出した。
C2 noun /θiˈɒkrəsi/

theocrasy

神権政治
Meaning
Government or rule by religious leaders or clergy.
Example
Theocrasy often merges religious authority with political power.
神権政治はしばしば宗教的権威と政治的権力を融合させます。
C2 adjective /rɪˈfræɡəbəl/

refragable

反論可能な
Meaning
Capable of being refuted or disproved.
Example
His argument was weak and easily refragable.
彼の議論は弱く、簡単に反論可能だった。
C2 adjective /ˈloʊð.səm/

Loathsome

忌まわしい
Meaning
causing hatred or disgust; repulsive
Example
The loathsome smell from the garbage made everyone leave the room.
ゴミの耐え難い悪臭で、みんなが部屋を出ていった。
C2 noun /ˈbɪvuˌæk/

bivouac

仮設キャンプ
Meaning
a temporary camp without tents or cover, usually used by soldiers or mountaineers
Example
The climbers set up a bivouac on the mountainside.
登山者たちは山の斜面に仮設キャンプを設置した。
B2 noun /feɪz/

Phase

段階; 変化や発展の過程での特定の期間または段階
Meaning
a distinct period or stage in a process of change or development
Example
The project is now in its final phase.
プロジェクトは現在最終段階にあります。
B1 noun rɪˈzɪs.təns

resistance

抵抗
Meaning
The refusal to accept or comply with something; the attempt to prevent something by action or argument.
Example
The resistance fought bravely against colonial forces.
レジスタンスは植民地軍に勇敢に立ち向かいました。
A2 noun /ˈkælkjʊleɪtər/

calculator

電卓
Meaning
an electronic or mechanical device used to perform mathematical calculations
Example
She used a calculator to solve the complex equation.
彼女は複雑な方程式を解くために電卓を使った。
C1 noun kəˈlɛktɪvɪzəm

collectivism

集団主義
Meaning
The practice or principle of giving a group priority over each individual in it.
Example
Collectivism emphasizes the importance of group over individual interests.
集団主義は、個人の利益よりもグループの利益を重視します。
C1 noun /ˈɒf.sprɪŋ/

offspring

子孫
Meaning
a person's child or children; an animal's young
Example
The bird carefully fed its offspring.
その鳥は注意深く自分の子孫に餌を与えました。
C2 adjective /rɪˈdaʊ.tə.bəl/

redoubtable

恐ろしい/尊敬すべき
Meaning
formidable, especially as an opponent; inspiring fear or respect
Example
She was a redoubtable leader who commanded respect from all.
彼女は全員から尊敬を集める恐ろしいリーダーだった。
B2 noun/verb /stʌnt/

stunt

Meaning
a daring or unusual action performed for entertainment or publicity; to hinder growth or development
Example
The actor performed a dangerous stunt in the movie.
C2 verb /rɪˈvaɪl/

revile

非難する
Meaning
to criticize in an abusive or angrily insulting manner
Example
The politician was reviled by the public for his corruption.
その政治家は腐敗のために公衆から非難されました。
C2 noun /ˈmɛndɪkənt/

mendicant

乞食
Meaning
a beggar; a person who lives by asking for alms
Example
The mendicant asked for food at the monastery gate.
乞食は修道院の門で食べ物を求めた。
B2 verb /ˌɪntərˈfɪər/

interfere

幸せ
Meaning
to become involved in something that is not your concern; to hinder or obstruct
Example
Parents should not interfere in their children’s personal choices.
彼女は賞を受け取ったとき、自分の幸せを隠すことができませんでした。
C1 adjective skiˈmæt.ɪk

Schematic

図式的な、または簡潔な
Meaning
Presenting some framework or concept briefly
Example
The engineer provided a schematic diagram of the project.
エンジニアはプロジェクトのスキマティックな図を提供しました。
B1 adjective /ˌɪnɪkˈspɛnsɪv/

Inexpensive

安い; 手頃な; 経済的
Meaning
not costing a lot of money; affordable; budget-friendly
Example
This restaurant offers delicious and inexpensive meals for students.
このレストランは学生のためにおいしくて安い食事を提供しています。
C2 noun /ˈpoʊ.ɪˌtæs.tər/

poetaster

劣った詩人
Meaning
an inferior or trivial poet
Example
He was mocked as a poetaster by the literary critics.
彼は文学評論家によってポエタスターとして嘲笑されました。
B2 noun /ˈen.ə.dʒi sɪˈkjʊə.rɪ.ti/

energy security

エネルギーの安全保障
Meaning
The reliable availability of energy sources at an affordable price for a nation or region.
Example
Energy security ensures consistent supply.
エネルギーセキュリティは一貫した供給を確保します。
B2 adjective /dʒaɪˈɡæntɪk/

gigantic

巨大な
Meaning
Extremely large or huge in size, power, or extent.
Example
The company made a gigantic investment in technology.
その企業は技術に巨額の投資をしました。
B1 verb /spaɪ/

spy

スパイする
Meaning
to secretly collect information about a person, group, or country
Example
He was caught spying on his neighbor through the window.
彼は窓越しに隣人をスパイしているところを捕まえられた。
B1 verb /rɪˈviːl/

reveal

明らかにする
Meaning
to make known or show something that was hidden
Example
The investigation revealed the truth.
調査は真実を明らかにした。
B1 noun /weɪv/

Wave

波; うねり
Meaning
a moving ridge on the surface of water; a gesture of greeting or farewell
Example
The surfer rode the big wave all the way to the shore.
サーフィンの選手は大きな波に乗って、岸まで行きました。
A2 determiner/adjective /ˈfjuːər/

fewer

より少ない
Meaning
a smaller number of; not as many
Example
Fewer people attended the meeting than expected.
予想より少ない人々が会議に出席した。
C1 adjective /ˈæm.ɪ.kə.bəl/

amicable

友好的
Meaning
Having a spirit of friendliness; without serious disagreement or rancor.
Example
They reached an amicable agreement.
彼らは友好的な合意に達しました。
B2 noun /ˌhɪp.əˈpɒt.ə.məs/

Hippopotamus

カバ
Meaning
a large, mostly herbivorous mammal that lives in and around water in Africa
Example
The hippopotamus spends most of its day in the water.
カバは一日のほとんどを水の中で過ごします。
B2 verb /ɪnˈtɜːrprət/

interpret

Meaning
to explain the meaning of something; to translate orally
Example
She had to interpret the speech for the foreign guests.
C2 adjective /ˈmɔːdlɪn/

maudlin

過度に感傷的な
Meaning
Overly sentimental, often tearfully or weakly emotional.
Example
He became maudlin after a few drinks.
彼は数杯飲んだ後、感傷的になった。
A2 noun /əˈpɑːrtmənt/

apartment

アパートメント
Meaning
a set of rooms forming a residence within a building
Example
She rented an apartment in the city center.
彼女は市の中心にアパートメントを借りました。
B2 noun /ˈmæt.rəs/

Mattress

マットレス
Meaning
a large rectangular pad for supporting the reclining body, used as or on a bed
Example
We bought a new mattress for our bedroom.
私たちは寝室のために新しいマットレスを買いました。
A2 noun /prəˈdʌkʃən/

production

制作
Meaning
the process of manufacturing or creating something
Example
The production of this film took over a year.
この映画の制作には1年以上かかりました。
C2 noun /ˈeə.rəm/

Arum

アラム
Meaning
a plant with large arrow-shaped leaves and a white spathe, also known as taro
Example
Arum leaves are commonly used in Bengali cuisine for cooking.
アラムの葉はインディア料理でよく使われます。
B1 abbreviation /vərsəs/

vs

対
Meaning
used to indicate opposition or contrast between two things
Example
The match was Brazil vs Argentina in the final.
試合はブラジル対アルゼンチンの決勝戦でした。
B2 noun, verb /pɪə(r)/

peer

同等の人
Meaning
noun: a person of the same rank or status; verb: to look closely or with difficulty
Example
He tried to peer through the fog to see his peers on the other side.
彼は霧を通して自分の仲間を見ようとしました。
C1 verb /ˈskævɪndʒ/

scavenge

ゴミの中から探す
Meaning
to search through waste or discarded material to find useful items
Example
The children scavenged for food in the garbage dump.
子供たちはゴミ捨て場で食べ物を探していました。
C2 noun, adjective /ɪˈklɪptɪk/

ecliptic

黄道
Meaning
The apparent path of the sun across the sky; relating to eclipses or this path.
Example
The ecliptic is the plane of Earth's orbit around the Sun.
黄道は地球の太陽の周りの軌道の平面です。
B1 adverb /ˈpɜr.sən.ə.li/

Personally

個人的に; 私の意見では; 自分のために; 自分自身で
Meaning
as a person; in one's own opinion; for oneself; in person
Example
Personally, I think the movie was excellent, though others disagree.
個人的に言うと、その映画は素晴らしいと思いますが、他の人は賛成していません。
B2 noun /rɪˈfɔːr.mər/

Reformer

改革者
Meaning
a person who works to bring about positive changes in society or institutions
Example
The social reformer dedicated her life to improving education for all children.
社会的な改革者は、すべての子供たちの教育を改善するために自分の人生を捧げました。
B2 verb /daɪ/

dye

染める
Meaning
to change the color of something using a chemical substance
Example
She will dye her hair blonde tomorrow.
彼女は明日髪を金髪に染める予定です。
C1 noun səˈsteɪ.nə.bəl tekˈnɒl.ə.dʒi

sustainable technology

持続可能な技術
Meaning
Technology designed to meet present needs without compromising future generations' ability to meet their needs.
Example
Sustainable technology ensures a cleaner future.
持続可能な技術は、よりクリーンな未来を保証します。
A1 noun /wɒnt/

Want

不足; 必要
Meaning
lack or shortage of something; poverty or need
Example
There is a want of fresh water in the drought-affected areas.
干ばつの影響を受けた地域では、新鮮な水が不足しています。
C2 adjective /sɪˈnɒptɪk/

synoptic

総括的
Meaning
giving a general overview or summary; presenting a broad view
Example
The report offers a synoptic view of climate trends over the past century.
報告書は過去の世紀の気候の傾向について総括的な視点を提供しています。
B2 verb /dɪˈfaɪ/

defy

挑戦する
Meaning
to openly resist or refuse to obey someone or something; to challenge or dare someone to do something
Example
The protesters continued to defy the government's ban on public gatherings.
抗議者たちは政府の公共集会禁止令に対して引き続き挑戦しました。
C2 noun /ˈlɑːrdər/

larder

食料庫
Meaning
A place, such as a pantry, where food is stored.
Example
The larder was full of fresh bread and cheese.
食料庫は新鮮なパンとチーズでいっぱいでした。
C2 adjective /ˈek.wə.bəl/

Equable

冷静
Meaning
calm and even-tempered; not easily disturbed
Example
He maintained an equable temperament throughout the crisis.
彼は危機の間、冷静な気質を保ち続けた。
C1 noun /ˈdɛljuːdʒ/

deluge

洪水
Meaning
A severe flood; an overwhelming quantity of something.
Example
The town was hit by a deluge of rain in just a few hours.
その町は数時間で豪雨の洪水に襲われました。
C2 noun /ˈbɑːr.bər/

Barbar

理髪師
Meaning
a person whose job is to cut men's hair and shave or trim beards
Example
The barber gave him a perfect haircut for his wedding.
理髪師は彼の結婚式のために完璧なヘアカットをしました。
B1 preposition, adverb, adjective /ˌʌndərˈniːθ/

underneath

下に、下側に
Meaning
Located directly below or beneath something
Example
The keys were hidden underneath the pile of papers.
鍵は紙の山の下に隠されていました。
B2 noun /dɪsˈmɪsl̩/

dismissal

解雇, 拒否
Meaning
the act of removing someone from their job; the act of treating something as unimportant
Example
His unfair dismissal led to a lawsuit against the company.
彼の不当な解雇は、会社に対する訴訟を引き起こしました。
B2 noun /ˈdɪdʒɪt/

digit

Meaning
a numeral from 0 to 9; also a finger or toe
Example
You must enter a four-digit code to unlock the phone.
C1 adjective + noun ˈfeɪvərəbəl klaɪˈmætɪk kənˈdɪʃənz

favorable climatic conditions

好ましい気候条件
Meaning
Weather conditions that are suitable and beneficial for growth or development
Example
Winter offers favorable climatic conditions for farming.
冬は農業にとって好ましい気候条件を提供します。
A2 noun /ˈfɪʃ.ər.mən/

Fisherman

漁師
Meaning
a person who catches fish as a job or hobby
Example
The fisherman caught three large fish in the river today.
漁師は今日、川で大きな魚を三匹捕まえました。
C1 verb /ˈtɛðər/

tether

繋ぐ
Meaning
To tie an animal with a rope or chain so it cannot move far.
Example
The farmer tethered the goat to a post.
農夫はヤギを柱に繋ぎました。
C1 verb /ɪmˈpɛl/

impel

Meaning
to drive, force, or urge someone to do something
Example
Her curiosity impelled her to open the mysterious box.
C1 noun /dɪˈlɪriəm/

delirium

錯乱
Meaning
An acutely disturbed state of mind characterized by restlessness, illusions, and incoherence.
Example
The patient experienced delirium after the surgery due to the strong medication.
患者は手術後、強い薬物の影響で錯乱状態を経験しました。
C2 adjective /ɪˈrɛfrəɡəbəl/

irrefragable

反論できない
Meaning
Impossible to refute, deny, or break
Example
The lawyer presented irrefragable evidence that proved his client’s innocence.
弁護士は彼のクライアントの無実を証明する反論できない証拠を提示しました。
B1 noun /ˌprezənˈteɪʃən/

presentation

プレゼンテーション
Meaning
The manner or style in which something is given, offered, or displayed.
Example
The presentation of the new product was well received.
新しい製品のプレゼンテーションはよく受け入れられました。
C1 adjective /ʌnˈsteɪtɪd/

unstated

未表明
Meaning
not expressed directly in words; implied or left unsaid
Example
The contract included several unstated expectations.
契約にはいくつかの未表明の期待が含まれていました。
A2 noun /ˈmoʊ.tər ˌsaɪ.kəl/

Motor Cycle

バイク
Meaning
a two-wheeled vehicle powered by an engine
Example
He rides his motorcycle to work every day.
彼は毎日バイクで仕事に行きます。
B1 adjective /rɔː/

Raw

生の; 処理されていない; 自然な状態で; 未熟な
Meaning
uncooked; not processed; in natural state; inexperienced
Example
The chef prefers to use raw vegetables in his salads.
シェフはサラダに生野菜を使うのが好きです。
C1 verb /ˈskaʊər/

scour

磨く / 徹底的に探す
Meaning
to clean or brighten the surface of something by scrubbing; to search thoroughly
Example
She scoured the kitchen until it shone.
彼女はキッチンを磨いて、ピカピカにしました。
B2 noun /dɪˈrɛktəri/

directory

ディレクトリ
Meaning
a book or online resource listing people, businesses, or services with relevant details
Example
I need to find a plumber in the phone directory.
電話帳で配管工を探さなければなりません。
C2 adjective /ˈhʌmdrʌm/

humdrum

単調
Meaning
Lacking excitement or variety; dull and monotonous.
Example
She grew tired of the humdrum routine of office life.
彼女はオフィスライフの単調な日常に疲れました。
B2 adjective ˈnjuːtrəl

neutral

中立
Meaning
Having no electric charge; neither positive nor negative.
Example
Neutrons are electrically neutral.
中性子は電気的に中性です。
C1 verb /sluː/

slew

急に曲がる
Meaning
To turn or slide violently in a particular direction.
Example
The car slewed across the icy road.
車は凍った道路を滑っていった。
B2 adjective /ɪˈtɜː.nəl/

Eternal

永遠の; 無限の; 不朽の; 永久の
Meaning
lasting or existing forever; without end or beginning; everlasting
Example
Their love seemed eternal and unbreakable.
彼らの愛は永遠で壊れないように見えました。
B2 noun /ˈmeɪnˌlænd/

mainland

Meaning
the principal landmass of a country or continent, as opposed to the surrounding islands
Example
The mainland of Australia is home to most of its population.
C1 noun /twɪt/

Twit

馬鹿; からかう
Meaning
a silly or foolish person; to tease or make fun of someone
Example
Don't be such a twit and listen carefully.
そんな馬鹿なことを言わないで、よく聞いて。
C1 adjective /əˈniːmɪk/

anemic

貧血
Meaning
Suffering from anemia; lacking in vitality, strength, or color.
Example
The doctor prescribed iron supplements for her anemic condition.
医者は彼女の貧血状態のために鉄分補充剤を処方しました。
A1 noun/verb /eɪdʒ/

age

年齢
Meaning
The length of time that a person has lived; to grow older.
Example
She asked his age politely.
彼女は彼の年齢を丁寧に尋ねました。
C2 noun /ˈprɛʃəns/ or /ˈpriːʃəns/

prescience

予知
Meaning
the ability to know or predict what will happen in the future
Example
Her prescience about market trends saved the company.
彼女の市場動向に対する予見は会社を救った。
B2 adjective /ænˈtɑːrktɪk/

antarctic

南極の
Meaning
relating to the region around the South Pole
Example
The Antarctic region is known for its extreme cold and icy landscapes.
南極地域はその極寒と氷のような景色で知られています。
B2 noun /ˈpriː.tɛns/ or /prɪˈtɛns/

pretense

仮面, 偽装
Meaning
A false appearance or claim; an act of pretending.
Example
His kindness was only a pretense to gain trust.
彼の優しさは信頼を得るための単なる仮面だった。
B2 noun /ˈmɔːr.nɪŋ/

Mourning

喪
Meaning
the expression of deep sorrow for someone who has died
Example
The family is in mourning for their grandmother.
家族は祖母を喪に服している。
C1 noun /ˈnaɪt.fɔːl/

nightfall

夜の始まり
Meaning
the time when night begins; dusk
Example
They decided to return home before nightfall.
彼らは夜の始まり前に家に帰ることに決めました。
C2 verb /kənˈvɑːlv/

convolve

一緒に巻いたり、ねじったりする; 巻きつけたり、絡めたりする
Meaning
to roll or twist together; to coil or entwine
Example
The vines convolve around the tree trunk.
ツルは木の幹の周りを巻きつけます。
C1 adjective /ˌʌndərˈsaɪzd/

undersized

小さすぎる
Meaning
Smaller than the usual or expected size.
Example
The undersized puppy struggled to keep up with its siblings.
小さすぎる子犬は、兄弟姉妹と一緒に歩くのに苦労しました。
B2 adjective /ˈpɔɪ.zən.əs/

Poisonous

有毒; 毒性; 致命的
Meaning
containing poison; toxic; deadly
Example
The snake is highly poisonous and dangerous.
そのヘビは非常に有毒で危険です。
B2 verb /ˌriː.kənˈsɪd.ər/

reconsider

再考する
Meaning
to think about something again, especially to change a decision or opinion
Example
She decided to reconsider her decision about moving abroad.
彼女は海外に引っ越すという決断を再考することに決めました。
B2 noun /ˌdɪsəˈpruːvəl/

disapproval

不賛成
Meaning
The expression of an unfavorable opinion or judgment
Example
Her parents showed clear disapproval of her decision to drop out of college.
彼女の両親は、大学を中退するという彼女の決定に明確な不賛成を示した。
C1 adjective /ˈraʊ.di/

Rowdy

騒々しい; 無秩序な; 破壊的な
Meaning
disorderly; unruly; noisy and disruptive
Example
The rowdy children were making too much noise.
騒々しい子供たちは大きな音を立てていた。
C2 noun /ˈfɪli/

filly

若い雌馬
Meaning
a young female horse
Example
The filly ran swiftly across the meadow.
その若い牝馬は草原を速く走った。
B2 noun, verb /kjuːb/

cube

立方体
Meaning
As a noun: a solid object with six equal square faces. As a verb: to cut food into small square pieces.
Example
She put a sugar cube in her tea.
彼女はお茶に砂糖のキューブを入れました。
B1 verb /əˈmjuːz/

amuse

楽しませる
Meaning
to entertain or make someone laugh or smile; to occupy pleasantly
Example
The clown amused the children at the party.
道化師はパーティーで子供たちを楽しませた。
B2 adjective /dɪˈzɜːrtɪd/

deserted

人がいない
Meaning
Empty of people; abandoned.
Example
The village looked completely deserted after the storm.
嵐の後、その村は完全に人がいないように見えた。
A1 noun /piːs/

piece

一片
Meaning
a portion or part of something
Example
He gave me a piece of cake.
彼は私にケーキの一切れをくれました。
B2 noun ˌsaɪ.bə.sɪˈkjʊə.rɪ.ti

cybersecurity

サイバーセキュリティ
Meaning
The practice of protecting systems, networks, and programs from digital attacks
Example
Cybersecurity ensures safe digital operations.
サイバーセキュリティはデジタル運用の安全を確保します。
C1 noun /ˈsaɪnəs/

sinus

副鼻腔
Meaning
A cavity within a bone or tissue, especially those in the bones of the face connected with the nasal cavities.
Example
He suffered from a sinus infection that caused headaches.
彼は副鼻腔感染症に苦しんでおり、頭痛を引き起こしました。
C2 noun /vɜːrˈtuː/

virtu

美術に対する愛
Meaning
a love of or taste for fine art, antiques, or curiosities
Example
The collector’s house was filled with objects of virtu.
コレクターの家は美術品で満ちていました。
B2 noun /ɪmˈpɒlɪtnəs/

impoliteness

無礼さ
Meaning
lack of good manners or courtesy; rude behavior
Example
His impoliteness towards the guests shocked everyone.
彼の客に対する無礼さは皆を驚かせた。
C2 noun /pɪθ/

pith

本質、要点
Meaning
the essential or central part of something
Example
The pith of his argument was that honesty matters most.
彼の議論の本質は、誠実さが最も重要だということでした。
C2 adjective /pərˈfɜrvɪd/

perfervid

非常に熱心な
Meaning
intensely passionate or fervent
Example
She gave a perfervid speech in defense of human rights.
彼女は人権擁護のために非常に熱心なスピーチをしました。
C1 adjective /ˈspʌndʒi/

Spongy

スポンジ状
Meaning
soft and full of holes like a sponge; porous
Example
The cake had a light and spongy texture.
ケーキは軽くてスポンジ状の質感がありました。