A2 noun /æd/

ad

Meaning

a notice or announcement in a public medium promoting a product, service, or event

Example

The company released a new ad for their smartphone.

会社はスマートフォンの新しい広告を公開しました。

C1 noun /ˈkaʊn.tər kleɪm/

counter-claim

反訴

Meaning

a claim made to rebut a previous claim, often in legal contexts

Example

The defendant filed a counter-claim against the plaintiff.

被告は原告に対して反訴を提起しました。

C2 adjective /kənˈsʌmptɪv/

consumptive

消費的な

Meaning

Relating to or characterized by consumption; historically used to describe someone suffering from tuberculosis.

Example

The doctor advised against consumptive habits.

医者は消費的な習慣を避けるようにアドバイスした。

C2 noun /ˈmuːn.biːm/

moonbeam

月光

Meaning

A ray of light from the moon.

Example

A moonbeam lit up the quiet forest clearing.

月光が静かな森の開けた場所を照らした。

C2 noun /ˈtʃɜː.nɪŋ stɪk/

Churning stick

バターバトン

Meaning

a wooden stick used for stirring and churning butter, milk, or other liquids

Example

Grandmother used a churning stick to make fresh butter.

おばあさんは新鮮なバターを作るためにチャーニングスティックを使いました。

B2 noun /ˌaʊtˈsaɪdə(r)/

outsider

アウトサイダー

Meaning

a person who is not accepted as a member of a particular group or community

Example

As a new student, she often felt like an outsider at school.

新しい学生として、彼女は学校でよくアウトサイダーのように感じていました。

A1 noun /dæd/

dad

お父さん

Meaning

an informal term for father

Example

My dad taught me how to ride a bike.

私のお父さんは自転車の乗り方を教えてくれました。

C2 adjective səˈluː.bri.əs

salubrious

健康的

Meaning

Health-giving; healthy; promoting health and well-being.

Example

The mountain air is salubrious and refreshing.

山の空気は健康的でさわやかです。

C1 noun /saɪˈkoʊsɪs/

psychosis

精神病

Meaning

A severe mental disorder in which thought and emotions are impaired, leading to a loss of contact with reality.

Example

The patient was diagnosed with psychosis after experiencing hallucinations.

患者は幻覚を経験した後、精神病と診断されました。

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。

B1 noun truː ˌɛdjuˈkeɪʃən

true education

真の教育

Meaning

Genuine learning that develops both mind and character.

Example

True education builds a noble and beautiful life.

真の教育は高貴で美しい人生を築きます。

B2 noun /əˌdæptəˈbɪləti/

adaptability

適応性

Meaning

The quality of being able to adjust to new conditions or circumstances

Example

Adaptability to changing environments is crucial in business.

変化する環境に適応する能力はビジネスにおいて重要です。

C2 adjective /dɪsˈdʒʌŋktɪv/

disjunctive

選択的

Meaning

Serving to separate or divide; expressing a choice between alternatives.

Example

In grammar, 'or' is a disjunctive conjunction.

文法では、'または' は選択的接続詞です。

B1 adverb /ˈsekəndli/

secondly

次に

Meaning

Used to introduce the second point in a list of arguments or ideas.

Example

Firstly, we need funding; secondly, we need a strong team.

まず、資金が必要です；次に、強力なチームが必要です。

C2 noun /ˈbriːtʃɪz/

Breeckes

膝丈パンツ

Meaning

knee-length trousers; short pants

Example

He wore riding breeches for the equestrian event.

彼は馬術イベントのために膝丈パンツを履いていました。

C1 adjective /ˈɡʌsti/

gusty

風の強い

Meaning

characterized by strong, sudden bursts of wind

Example

It was a cold, gusty day by the sea.

海辺では寒くて風の強い日でした。

C1 noun /ˈnɔːrməlsi/

normalcy

正常

Meaning

The condition of being normal; a return to usual or expected conditions.

Example

After the flood, the town struggled to regain a sense of normalcy.

洪水の後、町は正常な状態を取り戻すために奮闘しました。

C2 verb /ˈpɔːltər/

palter

あいまいに話す、騙す

Meaning

to act insincerely or deceitfully; to equivocate or lie

Example

He paltered when asked about his involvement in the deal.

取引に関与しているか尋ねられたとき、彼は回避しました。

B2 noun bjʊəˈrɒk.rə.si

bureaucracy

官僚主義

Meaning

A system of government in which most of the important decisions are made by state officials rather than by elected representatives.

Example

Excessive bureaucracy can slow down decision-making.

過度な官僚主義は意思決定を遅らせることがあります。

A2 adjective ˈæktɪv

active

積極的

Meaning

Engaging or ready to engage in physically energetic pursuits; characterized by energetic work, participation, etc.

Example

Active participation in education is vital for progress.

教育における積極的な参加は進歩にとって重要です。

B1 noun /ɪkˈsten.ʃən/

Extension

延長; 拡張

Meaning

the action of extending something; additional time or space

Example

The professor granted an extension for the assignment deadline.

教授は課題の締め切りに対して延長を許可しました。

C2 noun /dʒæm/

jamb

ドア枠

Meaning

The side post or surface of a doorway, window, or fireplace.

Example

The carpenter carefully measured the width of the door jamb.

大工はドア枠の幅を慎重に測定した。

B2 noun, verb /bluːm/

bloom

咲く；繁栄する

Meaning

to produce flowers; to develop or flourish; a flower or the state of flowering

Example

The roses bloom beautifully every spring.

バラは毎年春に美しく咲きます。

B2 adjective /ˈlɪt.ər.ət/

Literate

識字; 教育を受けた; 良い教育を受けた

Meaning

able to read and write; educated; well-educated

Example

She is a very literate person who reads extensively.

彼女は非常に教育を受けた人で、広範囲に読書をします。

A2 noun /ˈfɔːrənər/ or /ˈfɑːrənər/

foreigner

外国人

Meaning

A person from another country.

Example

The city welcomes every foreigner with kindness.

その都市はすべての外国人を親切に迎えます。

C2 verb /ˈmɒlikɒdl/

mollycoddle

甘やかす

Meaning

To treat someone in an overprotective and indulgent way.

Example

Parents should avoid mollycoddling their children too much.

親は子供を過度に甘やかすのを避けるべきです。

C2 adjective /ˈflʌməksd/

flummoxed

困惑した

Meaning

Completely confused or bewildered.

Example

He looked flummoxed after hearing the strange question.

彼はその奇妙な質問を聞いた後、困惑しているように見えた。

C1 adjective deft

deft

器用

Meaning

Neatly skillful and quick in one's movements; dexterous and adroit.

Example

The artist's deft hands created a masterpiece.

アーティストの器用な手は傑作を作り出しました。

A2 noun, verb /bræntʃ/

branch

支店

Meaning

A part of a tree that grows out from the trunk; a division of an organization or subject.

Example

The company opened a new branch in Dhaka.

会社はダッカに新しい支店を開設しました。

C2 noun /kənˈtrɪʃ.ən/

contrition

悔悟

Meaning

the state of feeling remorseful and repentant

Example

His contrition was evident after the apology.

謝罪後、彼の悔悟は明らかだった。

A2 adverb /kəˈrɛktli/

correctly

正しく

Meaning

in a way that is true, accurate, or without mistakes

Example

She answered all the questions correctly.

彼女はすべての質問に正しく答えました。

B2 adverb dɪˈlɪb.ər.ət.li

deliberately

故意に

Meaning

Consciously and intentionally; on purpose.

Example

The actions were deliberately planned to cause harm.

行動は意図的に計画され、害を与えるために行われた。

B2 verb /ˌdɪsɪnˈfɛkt/

disinfect

消毒する

Meaning

to clean something thoroughly to destroy bacteria or viruses

Example

The nurse disinfected the wound before applying a bandage.

看護師は包帯を巻く前に傷を消毒しました。

C1 adjective /ˈvɛlvəti/

velvety

幸福

Meaning

having a smooth, soft texture like velvet

Example

She spoke in a low, velvety voice.

彼女は賞を受け取ったとき、幸せを隠すことができませんでした。

C1 noun /prəˈpɛlənt/

propellant

推進剤

Meaning

A substance that drives or pushes something forward, especially fuel in rockets or engines.

Example

The rocket uses a liquid propellant to launch into space.

ロケットは液体推進剤を使用して宇宙に打ち上げられます。

C1 noun /sɪˈkriː.ʃən/

Secretion

分泌

Meaning

a process by which substances are produced and discharged from a cell or gland

Example

Insulin secretion is crucial for blood sugar regulation.

インスリン分泌は血糖値の調整に不可欠です。

B2 noun /djʊˈreɪʃən/

duration

期間

Meaning

the length of time that something continues

Example

The meeting lasted for the duration of two hours.

会議は2時間の期間続きました。

B2 phrase ˈɡləʊ.bəl ˌkəʊ.ɒp.əˈreɪ.ʃən

global cooperation

グローバル協力

Meaning

International collaboration and working together across countries to address common challenges and goals.

Example

Global cooperation is essential to address climate challenges.

グローバル協力は気候問題に対処するために不可欠です。

A2 noun /ˈkæs.əl/

Castle

城; 宮殿;

Meaning

a large fortified building or set of buildings; a fortress

Example

The medieval castle stood majestically on top of the hill.

中世の城は丘の頂上に堂々と立っていました。

B2 noun /ˈtɛkstʃər/

texture

質感

Meaning

the way something feels when you touch it; the quality of a surface or substance

Example

The fabric has a soft and smooth texture.

その布は柔らかく滑らかな質感です。

C2 verb /ˌɪmpɔːrˈtuːn/

importune

しつこく頼む

Meaning

To ask someone persistently or pressingly for something

Example

The child importuned his mother for a new toy.

その子供は新しいおもちゃを欲しがって母親にしつこく頼んだ。

C1 noun /ˌɪnɪkˈspɪəriəns/

inexperience

未経験

Meaning

Lack of knowledge or skill in a particular activity or field.

Example

His inexperience in handling negotiations was evident.

交渉における彼の未経験は明らかでした。

C2 adjective /ˈnʌpʃəl/

nuptial

結婚式の

Meaning

Relating to marriage or weddings.

Example

The couple prepared for their nuptial ceremony with great joy.

そのカップルは喜びと共に結婚式の準備をしました。

B2 noun /kʌb/

Cub

子グマ

Meaning

a young bear, lion, tiger, or other large carnivorous mammal

Example

The bear cub stayed close to its mother for protection.

子グマは保護のために母親の近くにいました。

A1 verb /drɪŋk/

drink

飲む

Meaning

to take liquid into the mouth and swallow it

Example

I drink water every morning.

私は毎朝水を飲みます。

C2 verb /ˈdɪðər/

dither

Meaning

to be indecisive or unable to make a decision

Example

He dithered for hours before choosing a restaurant.

A2 noun /ˈsɛlər/

seller

幸せ

Meaning

a person who sells something

Example

The seller offered a discount on bulk purchases.

彼女は賞を受け取ったとき、幸せを隠せませんでした。

B2 verb /suːð/

soothe

落ち着かせる

Meaning

to calm or comfort; to relieve pain or distress

Example

The mother soothed her crying baby with a gentle lullaby.

お母さんは優しい子守唄で泣いている赤ちゃんを静めました。

C1 adverb /ɔːˈtɒnəməsli/

autonomously

自律的に

Meaning

In an independent or self-governing manner.

Example

The robot can operate autonomously without human intervention.

ロボットは人間の介入なしで自律的に動作できます。

C1 adjective /səbˈsɪd.i.ər.i/

Subsidiary

子会社の; 二次的な; 子会社に関連する

Meaning

less important than the main thing; secondary; of or relating to a subsidiary company

Example

The subsidiary company handles all overseas operations.

子会社はすべての海外業務を管理しています。

B1 noun /meɪt/

mate

友達, 相棒

Meaning

a friend or companion; a partner in marriage or reproduction

Example

He went fishing with his old school mate.

彼は古い学校の友達と釣りに行きました。

C2 noun /mɪˈtɒnɪmi/

metonymy

換喩

Meaning

A figure of speech in which one word or phrase is substituted with another closely related word or concept.

Example

In the phrase 'the crown will decide,' 'crown' is a metonymy for monarchy.

フレーズ「王冠が決定する」では、「王冠」が君主制の換喩です。

C1 noun /ˈsteɪl.meɪt/

stalemate

行き詰まり

Meaning

A situation in which no progress can be made or no party can win.

Example

Negotiations ended in a stalemate.

交渉は行き詰まりました。

B1 noun /ˌmæθəˈmætɪks/

mathematics

数学

Meaning

the abstract science of number, quantity, and space; the study of numbers and their operations

Example

Mathematics helps us understand patterns in nature and the universe.

数学は私たちが自然界や宇宙のパターンを理解するのに役立ちます。

C2 adjective /ˌsɛm.iˈkɒn.ʃəs/

semiconscious

半意識

Meaning

Only partly conscious; not fully aware of surroundings.

Example

He was semiconscious after the accident and could barely respond.

彼は事故後セミコンシャスで、ほとんど反応できなかった。

C1 verb /sɪft/

sift

ふるいにかける / 注意深く調べる

Meaning

to separate or sort through carefully, often using a sieve or by examining closely

Example

She sifted the flour before adding it to the cake mixture.

ケーキのミックスに加える前に、小麦粉をふるいにかけました。

A2 adjective /laɪt ɡriːn/

Light green

ライトグリーン

Meaning

a pale shade of green color; not dark green

Example

She wore a light green dress to the garden party.

彼女はガーデンパーティーにライトグリーンのドレスを着て行きました。

B1 noun /ɪkˈspres treɪn/

Express Train

エクスプレス列車

Meaning

a fast train that travels between major stations with few or no intermediate stops

Example

The express train reached the destination in half the usual time.

エクスプレス・トレインは通常の半分の時間で目的地に到着しました。

B2 verb /ˈstɑːrtl/

startle

驚かせる

Meaning

To surprise or frighten someone suddenly.

Example

The loud noise startled the children.

大きな音が子供たちを驚かせた。

C1 noun /dɪˌnʌnsiˈeɪʃən/

denunciation

非難 / 公共の告発

Meaning

the public condemnation or accusation of someone or something

Example

The journalist's article was a strong denunciation of corruption.

ジャーナリストの記事は腐敗に対する強い非難でした。

C1 adjective /ˈplaɪəbəl/

pliable

柔軟な

Meaning

easily bent or flexible; adaptable

Example

The metal is pliable enough to be shaped into jewelry.

その金属は十分に柔軟で、ジュエリーに成形することができます。

C2 noun /ˈlɔːndrəs/

laundress

ランドレス

Meaning

A woman whose job is washing clothes and linens.

Example

The laundress delivered the freshly cleaned clothes to the household.

ランドレスは新しく洗った衣類を家に届けました。

C2 adjective /woʊnt/ or /wɔːnt/

wont

習慣

Meaning

accustomed or used to doing something

Example

She rose early, as she was wont to do.

彼女は早く起きました、彼女がするのが習慣だったように。

C2 adjective /ˌhɛtərəʊˈmɔːrfɪk/

heteromorphic

異形の

Meaning

Having different forms or shapes, especially in the same species or organism.

Example

Butterflies are heteromorphic during their life cycle, changing forms from larva to adult.

蝶々はそのライフサイクルの中で異形であり、幼虫から成虫に変化します。

B1 noun /səˈdʒes.tʃən/

Suggestion

提案; アドバイス

Meaning

an idea or plan put forward for consideration; advice or recommendation

Example

Do you have any suggestions for improving our team's productivity?

チームの生産性向上のための提案はありますか？

A2 noun /ˈstjuːdiəʊ/

studio

スタジオ

Meaning

a room where an artist, photographer, musician, or broadcaster works

Example

The singer recorded her new song in the studio.

歌手はスタジオで新しい曲を録音しました。

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。

C1 noun /ˌfɪɡjʊˈriːn/

figurine

小さな装飾用の像

Meaning

a small ornamental statue or model of a human or animal

Example

She bought a porcelain figurine of a dancing ballerina.

彼女はダンスをするバレリーナの陶器のフィギュリンを買いました。

C2 adjective /aɪˈsɒ.krə.nəs/

isochronous

等時間間隔で発生する

Meaning

Occurring at equal time intervals; in unison or synchrony.

Example

The pendulum swings are isochronous, repeating at equal intervals.

振り子の動きは等時性があり、等しい間隔で繰り返されます。

B2 noun ˈsuː.pər.fuːdz

superfoods

スーパーフード

Meaning

Nutrient-dense foods that are particularly beneficial for health and well-being.

Example

Blueberries and spinach are superfoods rich in vitamins.

ブルーベリーとほうれん草はビタミン豊富なスーパーフードです。

B1 adverb /ˈfriːkwəntli/

Frequently

頻繁に; 定期的に; 多くの回数

Meaning

often; regularly; many times

Example

She frequently visits her grandmother on weekends.

彼女は週末に頻繁に祖母を訪れます。

C2 noun /kəˈrɒn.də/

Karonda

カロンダ

Meaning

a small dark purple berry-like fruit that is sour and used in pickles

Example

Karonda is often used to make pickles and preserves.

カロンダは、ピクルスや保存食を作るのによく使われます。

B2 adjective /ˈstʌdid/

studied

慎重な

Meaning

carefully considered, deliberate, or planned

Example

Her response was calm and studied, not impulsive.

彼女の返答は冷静で慎重であり、衝動的ではなかった。

B1 adjective /ədˈvɛnʧərəs/

adventurous

冒険的な

Meaning

Willing to take risks or try out new methods, ideas, or experiences.

Example

They participated in adventurous activities like kayaking and hiking.

彼らはカヤックやハイキングなどの冒険的な活動に参加しました。

C2 adjective /ɪˈmɛrɪtəs/

emeritus

名誉教授

Meaning

having retired but allowed to retain their title as an honor

Example

He is a professor emeritus at the university.

彼は大学の名誉教授です。

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。

C2 adjective /ˈsæpɪd/

sapid

美味しい

Meaning

Having a pleasant taste; flavorful.

Example

The chef prepared a sapid dish that delighted everyone at the table.

シェフはテーブルの全員を喜ばせる美味しい料理を準備しました。

B2 adjective /ˌkɒm.plɪˈmen.tər.i/

Complimentary

賛辞的な; 無料で提供される; 礼儀として提供された

Meaning

expressing praise or admiration; given or supplied free of charge as a courtesy

Example

The hotel offers complimentary breakfast for all guests.

ホテルはすべてのゲストに無料の朝食を提供します。

B2 verb /ˈvaɪəleɪt/

violate

違反する

Meaning

to break or go against a rule or law; to disrespect

Example

Parking here violates the city regulations.

ここに駐車すると市の規則に違反します。

C1 verb /rɪˈprɛs/

repress

Meaning

To restrain, suppress, or keep under control, especially emotions or desires.

Example

He tried to repress his anger during the meeting.

C2 adjective /dɪˈluːsəri/

delusory

幻想的な

Meaning

Based on illusion; not real.

Example

He was filled with delusory hopes of becoming famous overnight.

彼は一夜にして有名になるという幻想的な希望に満ちていた。

B1 adjective /ɑːrmd/

armed

武装した

Meaning

equipped with or carrying weapons

Example

The bank was robbed by armed men.

銀行は武装した男たちに襲われた。

A2 noun /dɪˈziːz/

disease

病気

Meaning

An illness or medical condition that affects the body or mind.

Example

The doctor is researching a cure for the disease.

医者はその病気の治療法を研究しています。

C2 noun /əˈstɪɡmətɪzəm/

astigmatism

乱視

Meaning

An eye defect causing blurred vision due to irregular curvature of the cornea or lens.

Example

She wears glasses to correct her astigmatism.

彼女は乱視を矯正するために眼鏡をかけています。

B2 verb /ɪˈlɪmɪneɪt/

eliminate

排除

Meaning

To completely remove or get rid of something.

Example

Eliminate time-wasting habits.

時間を無駄にする習慣を排除してください。

B2 noun ˌnæv.ɪˈɡeɪ.ʃən

navigation

ナビゲーション

Meaning

The process or activity of accurately ascertaining one's position and planning and following a route.

Example

GPS technology has improved the navigation of self-driving cars.

GPS技術は自動運転車のナビゲーションを改善しました。

C1 adjective /ˌprɛfəˈrɛnʃəl/

preferential

優遇

Meaning

showing or giving advantage to one over others

Example

Members receive preferential treatment at the club.

メンバーはクラブで優遇されます。

B2 adjective /əˈlaɪd/

Allied

連合; 同盟; つながり

Meaning

joined by agreement or treaty; associated; connected

Example

The allied forces worked together during the war.

連合軍は戦争中に一緒に働いた。

C1 noun /straɪf/

strife

争い、闘争

Meaning

angry or violent conflict; struggle or discord

Example

The region has been torn apart by political strife.

その地域は政治的な争いで引き裂かれました。

C2 noun /tɑːrn/

tarn

山間の湖

Meaning

A small mountain lake or pool.

Example

We camped near a tranquil tarn in the highlands.

私たちは高原で静かな山間の湖の近くにキャンプをしました。

C1 verb /fɔːrˈɡoʊ/

forego

断る

Meaning

to decide not to do or have something pleasant or valuable

Example

She decided to forego dessert to maintain her diet.

彼女はダイエットを維持するためにデザートを断ることに決めました。

B1 adjective hɪˈstɔːrɪk

historic

歴史的

Meaning

Famous or significant in history, or potentially so.

Example

Victory Day is a historic moment for Bangladesh.

勝利の日はバングラデシュにとって歴史的な瞬間です。

C1 noun /ˌmɪsˈdiːd/

Misdeed

悪行; 不正行為

Meaning

A wicked or illegal act; wrongdoing

Example

He regretted his past misdeeds and tried to make amends.

彼は過去の悪行を後悔し、償いをしようとしました。

B2 noun /ˌoʊ.vɚˈkraʊ.dɪŋ/

overcrowding

過密

Meaning

Excessive crowd or packed condition, having more people or vehicles in a place than the approved capacity.

Example

The subway system suffers from severe overcrowding during peak hours.

地下鉄システムはピーク時にひどい過密状態に苦しんでいます。

B2 noun /nɪˌɡoʊ.siˈeɪ.ʃən/

Negotiation

合意に達するための議論; 交渉

Meaning

discussion aimed at reaching an agreement; bargaining

Example

The negotiation between the two companies lasted for weeks.

二社間の交渉は数週間続きました。

C1 adjective /ˈpɒlɪtɪk/

politic

賢明な、慎重な

Meaning

shrewd, prudent, or tactful in practical matters

Example

It was politic of him to remain silent during the argument.

論争中に沈黙を守るのは賢明な判断だった。

C1 adjective /ɪnˈtræk.tə.bəl/

intractable

管理不能

Meaning

Difficult or impossible to manage, control, or solve.

Example

The conflict has become an intractable problem.

その対立は管理不能な問題になった。

B2 adjective /ˈstuː.di.əs/

Studious

勉強熱心; 学問に没頭

Meaning

characterized by diligent study; devoted to learning

Example

She is a studious student who spends hours in the library.

彼女は図書館で何時間も過ごす勉強熱心な学生です。

B2 noun, verb /striːk/

streak

線または筋; 指定された方向に非常に速く移動する

Meaning

a long, thin line or mark; to move very quickly in a specified direction

Example

Lightning streaked across the night sky.

稲妻が夜空を横切った。

C2 adjective /prəˈpʌlsɪv/

propulsive

推進的

Meaning

Having the power to drive or push something forward.

Example

The propulsive force of the rocket lifted it off the ground.

ロケットの推進力はそれを地面から持ち上げました。

B1 noun /ˈvæk.siːn/

Vaccine

ワクチン

Meaning

a substance that is put into the body to prevent a disease

Example

The COVID-19 vaccine has helped reduce severe illness.

COVID-19ワクチンは重篤な病気を減少させるのに役立っています。

A2 verb /ˈpræktɪs/

practise

練習する

Meaning

to do something repeatedly to improve skill; to work in a profession

Example

She practises piano for two hours daily.

彼女は毎日2時間ピアノを練習します。

C1 adjective /ɪˈnuːmərəbəl/

Innumerable

無数; 数えきれない; 無限

Meaning

too many to be counted; countless; infinite in number

Example

There are innumerable stars in the night sky that we cannot see with our naked eyes.

夜空には数えきれない星があり、私たちは裸眼では見ることができません。

A2 adjective /flæt/

flat

平ら

Meaning

Smooth and level, without raised areas or curves.

Example

The road ahead was completely flat.

前方の道路は完全に平らでした。

A2 noun /fɪər/

Fear

恐怖; 恐れ

Meaning

an unpleasant emotion caused by the belief that someone or something is dangerous

Example

She overcame her fear of heights by taking rock climbing lessons.

彼女は高所恐怖症を克服するためにロッククライミングのレッスンを受けました。

C2 adjective /prɪˈmɒnɪtəri/ or /ˌpriːməˈnɪtəri/

premonitory

予兆

Meaning

giving a warning or prediction about something, especially something unpleasant

Example

He ignored the premonitory signs of illness.

彼は病気の予兆を無視しました。

C1 adjective /ˈluːdɪkrəs/

ludicrous

ばかげた

Meaning

so foolish, unreasonable, or out of place as to be amusing

Example

It is ludicrous to think the Earth is flat.

地球が平らだと思うのはばかげている。

C2 noun /dəˈɡerəˌtaɪp/

daguerreotype

古い写真

Meaning

An early type of photograph produced on a silver or silver-covered copper plate.

Example

The museum displayed a rare daguerreotype of Abraham Lincoln.

博物館にはアブラハム・リンカーンの珍しいダゲレオタイプが展示されていました。

C2 noun /səˈlɪsɪˌtuːd/

solicitude

思いやり, 配慮

Meaning

Care or concern for someone or something.

Example

His mother showed great solicitude for his safety.

彼の母親は彼の安全に大きな思いやりを示しました。

A2 noun /vəˈkæbjʊləri/

vocabulary

語彙

Meaning

the set of words known and used by a person, group, or language; the words used in a particular field or subject

Example

Reading every day helps improve your vocabulary.

毎日読むことは語彙力を高めます。

B2 noun /ˈter.ər.ɪ.zəm/

Terrorism

テロリズム

Meaning

the unlawful use of violence and intimidation against civilians for political aims

Example

The government increased security measures to prevent terrorism.

政府はテロリズムを防止するためにセキュリティ対策を強化しました。

B2 noun ˈbaɪ.əʊˌfjuː.əl

biofuel

バイオ燃料

Meaning

A fuel derived immediately from living matter, as opposed to fossil fuels derived from long-dead biological matter.

Example

Biofuels reduce dependence on conventional energy sources.

バイオ燃料は従来のエネルギー源への依存を減らします。

C2 noun ˈsɒmnələns

somnolence

眠気

Meaning

A state of drowsiness or sleepiness; inclination to sleep.

Example

The somnolence after a heavy meal made it hard to concentrate.

重い食事の後、眠気が集中するのを難しくしました。

C1 noun /ˈwɪndfɔːl/

windfall

思いがけない利益

Meaning

an unexpected piece of good fortune, typically a large amount of money

Example

The startup received a windfall when a major client paid for a full year in advance.

スタートアップは重要な顧客が1年分前払いした際に思いがけない利益を得ました。

C1 adverb /pɜːr ˈseɪ/

per se

自体

Meaning

By or in itself; intrinsically.

Example

The idea is not bad per se, but it needs improvement.

そのアイデア自体は悪くないが、改善が必要だ。

C2 adjective /ˈspɔːrtɪv/

sportive

スポーティブ

Meaning

Playful, lively, or full of fun.

Example

The children were in a sportive mood during the picnic.

子供たちはピクニック中にスポーティブな気分でした。

A2 noun /ˈdrʌɡˌstɔːr/

drugstore

薬局

Meaning

A retail store that sells medicines, health-related products, and sometimes cosmetics or snacks.

Example

I stopped by the drugstore to buy some cold medicine.

風邪薬を買うために薬局に行きました。

C2 adjective /ˌmæl.əˈfɪʃ.ənt/

maleficient

悪意のある

Meaning

Doing harm or evil; having a harmful effect.

Example

The maleficient acts of the tyrant ruined the kingdom.

暴君の悪意のある行為は王国を滅ぼした。

C2 noun, adjective /ˌtætərdɪˈmeɪliən/

tatterdemalion

ぼろぼろの服を着た人

Meaning

A person dressed in ragged clothes; ragged or dilapidated in appearance.

Example

A tatterdemalion wandered the streets in search of food.

タッターデマリオンは食べ物を探して通りを歩いていました。

C2 adjective /pruːˈdɛnʃəl/

prudential

慎重な

Meaning

involving or showing prudence, especially in financial or business matters

Example

The bank has set prudential rules to protect depositors.

銀行は預金者を保護するために慎重な規則を設定しました。

C2 adjective /sərˈkjuːɪtəs/

circuitous

迂回路

Meaning

Longer than the most direct way; roundabout.

Example

He took a circuitous route to avoid traffic.

彼は渋滞を避けるために迂回路を取った。