costly
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英語 BN ベンガル語 HI ヒンディー語 ES スペイン語 FR フランス語 DE ドイツ語 RU ロシア語 ZH 中国語 JA 日本語
All Vocabulary Cards All Vocabularies
B2 adjective /ˈkɔːstli/

costly

高価
Meaning
expensive or causing a lot of money, time, or effort
Example
Their mistake proved to be very costly for the company.
彼らのミスは会社にとって非常に高価であることが証明されました。
C2 adjective /ɪnhɑːrˈmoʊniəs/

Inharmonious

不協和音
Meaning
lacking harmony; discordant in sound; not in tune
Example
The inharmonious sounds from the broken piano made everyone cover their ears.
壊れたピアノからの不協和音がみんなを耳をふさがせました。
C1 adjective /ˌɪn.dɪˈspen.sə.bəl/

indispensable

不可欠
Meaning
Absolutely necessary, essential
Example
Water is indispensable for human survival.
水は人間の生存に不可欠です。
A2 adjective /wɪrd/

weird

奇妙
Meaning
suggesting something supernatural or very strange; unusual
Example
The movie had a weird ending that nobody expected.
映画には誰も予期しなかった奇妙な結末がありました。
C1 noun /pəˈsweɪsɪvnes/

persuasiveness

説得力
Meaning
The quality of being good at persuading someone to do or believe something.
Example
Her persuasiveness convinced the team to follow her suggestions.
彼女の説得力は、チームに彼女の提案に従わせました。
B1 noun /ˈskwɪr.əl/

Squirrel

リス
Meaning
a small agile tree-dwelling rodent with a long bushy tail
Example
The squirrel gathered nuts for winter.
リスは冬のために木の実を集めていました。
B2 noun /ˈep.ɪk/

Epic

叙事詩
Meaning
a long poem telling of heroic deeds; something heroic or grand in scale
Example
The Iliad is one of the most famous epics in world literature.
イリアスは世界文学の中で最も有名な叙事詩の一つです。
B2 adjective /ˈbʌmpi/

Bumpy

でこぼこした; ざらざらした
Meaning
having an uneven surface; rough; jolting
Example
The bumpy road made the car ride very uncomfortable.
でこぼこした道で車の乗り心地はとても不快だった。
A2 noun /ˈprɪn.ses/

princess

王女
Meaning
a female royal family member, especially the daughter of a king or queen; a woman regarded as noble, cherished, or elegant
Example
The princess waved to the crowd from the palace balcony.
王女は宮殿のバルコニーから群衆に手を振った。
B2 adjective /ˈneɪ.bər.ɪŋ/

Neighbouring

隣接した; 近接した; 隣国の
Meaning
situated next to or very near; adjacent; bordering
Example
We often visit our neighbouring countries for trade.
私たちは貿易のために隣国をよく訪れます。
B2 verb /ˈræl.i/

rally

Meaning
to come together for a common purpose or to recover strength or spirit
Example
The team rallied after halftime and won the match.
A2 noun /wɪnd/

Wind

Meaning
the natural movement of air, especially in the form of a current of air blowing from a particular direction
Example
The wind blew the leaves off the trees.
風が木の葉を吹き飛ばした。
C2 noun /ˈmɪsɪv/

missive

書簡
Meaning
a written message, especially a formal or official letter
Example
He sent a long missive to the governor.
彼は知事に長い書簡を送った。
C2 noun /ˈdiːɪst/

deist

デイスト
Meaning
a person who believes in the existence of a supreme being but rejects organized religion
Example
The philosopher identified himself as a deist.
その哲学者は自分をデイストとして認識した。
C2 noun /ˈeɪ.pi.ə.rɪst/

apiarist

養蜂家
Meaning
a person who keeps and tends bees for honey production
Example
The apiarist collected fresh honey from the hives.
養蜂家は巣箱から新鮮な蜂蜜を集めました。
C1 noun /ˈfrek.əl/

Freckle

そばかす
Meaning
a small brownish spot on the skin, often becoming more pronounced through exposure to the sun
Example
Her face was covered with cute freckles that appeared every summer.
彼女の顔は可愛いそばかすで覆われていて、毎年夏になると現れます。
B2 verb /əˈkjuːmjəleɪt/

accumulate

蓄積する
Meaning
to gather or collect things gradually over time
Example
She managed to accumulate a small fortune through wise investments.
彼女は賢明な投資を通じて少しの富を積み上げることができました。
C2 verb /rɪˈtrɛntʃ/

retrench

コスト削減、従業員の解雇
Meaning
to reduce costs, spending, or staff to save resources
Example
The company had to retrench employees due to financial difficulties.
会社は財政的な困難のため、従業員をリトレンチしなければならなかった。
C2 noun /təˈmɛrɪti/

temerity

大胆さ
Meaning
Excessive confidence or boldness; audacity.
Example
He had the temerity to challenge the professor’s argument.
彼は教授の議論に挑戦する大胆さを持っていた。
C2 adjective /ˈfæl.oʊ/

fallow

休耕地
Meaning
Describing land that is left unplanted for a period to restore its fertility, allowing soil to recover nutrients and break pest and disease cycles.
Example
Farmers leave their fields fallow to restore soil fertility.
農家は土壌の肥沃度を回復させるために畑を休ませます。
B1 noun /ˈpaʊdər/

powder

Meaning
a fine, dry substance made of very tiny particles
Example
She sprinkled some powder on the cake.
彼女はケーキに粉をふりかけました。
B2 noun /ˈtʌtʃ.daʊn/

touchdown

タッチダウン
Meaning
the moment when an aircraft lands, or a score in American football
Example
The plane made a smooth touchdown.
飛行機は滑らかにタッチダウンしました。
B2 adjective /ʌnˈfɪt/

Unfit

不適格; 不適当;
Meaning
not in good physical condition; unsuitable or inappropriate
Example
He was declared unfit for military service due to his poor health.
彼は健康状態が悪いため、軍務には不適格と宣告されました。
C2 noun /ˈkɒmɪti/

comity

礼儀、相互尊重
Meaning
Courtesy and considerate behavior towards others; mutual respect.
Example
The meeting was conducted with comity and respect.
会議は礼儀と尊重の精神で行われました。
C1 noun /rəʊˈbɒt.ɪk ˈsɜː.dʒər.i/

robotic surgery

ロボット手術
Meaning
Surgery performed with the assistance of robotic systems to enhance precision and reduce invasiveness.
Example
Robotic surgery enhances precision in complex procedures.
ロボット手術は複雑な手順で精度を高めます。
B2 verb /kənˈsiːd/

concede

Meaning
to admit something is true or valid, often reluctantly
Example
She finally conceded that she was wrong.
C1 adjective /kənˈdjuː.sɪv/

conducive

有益な
Meaning
Making a certain situation or outcome likely or possible; contributing to or helping to bring about.
Example
A quiet environment is conducive to studying.
静かな環境は勉強に有益です。
B1 verb /rɪd/

rid

取り除く
Meaning
to remove or get rid of something
Example
I need to rid the house of all the clutter.
家の中のすべてのゴミを取り除く必要があります。
C1 verb ɪˈluːd

elude

逃れる
Meaning
Evade or escape from, typically in a skillful or cunning way; avoid being caught.
Example
The thief managed to elude the police.
泥棒は警察から逃げることに成功した。
C1 verb /bɪˈhɛd/

behead

斬首する
Meaning
to cut off a person's or animal's head; to remove the leader or most important part
Example
The historical account describes how the traitor was beheaded as punishment.
歴史的記録は、罰として裏切り者が斬首された様子を描写している。
B1 adjective /ˈfæbjələs/

Fabulous

素晴らしい; 驚くべき; 非凡な
Meaning
extremely good; wonderful; extraordinary
Example
She wore a fabulous dress to the party.
彼女はパーティーに素晴らしいドレスを着ていた。
B1 adjective /ˈaʊtər/

outer

外部
Meaning
situated on or toward the outside; external
Example
The outer layer of the jacket is waterproof.
ジャケットの外側の層は防水です。
C1 noun /ˌmælnuːˈtrɪʃən/

Malnutrition

栄養失調; 不適切な栄養
Meaning
Lack of proper nutrition; poor nourishment
Example
Malnutrition among children is a serious public health concern.
子供たちの間で栄養失調は深刻な公衆衛生の問題です。
C2 noun /ˌɪntərˈrɛɡnəm/

interregnum

政権空白期
Meaning
A period between rulers or governments when normal leadership is suspended.
Example
The country faced instability during the interregnum after the king’s death.
国王の死後、国は政権空白期に不安定さに直面した。
C2 noun /ˈsɔː.dər/

Sawder

お世辞; おべっか
Meaning
flattering or wheedling talk; soft soap
Example
His sawder couldn't convince anyone of his sincerity.
彼のオベッカは誰にも彼の誠実さを納得させることができなかった。
A1 verb /juːz/

use

使う
Meaning
to employ something for a purpose; to take advantage of
Example
I use my computer for work and entertainment.
私は仕事と娯楽のためにコンピュータを使います。
C1 noun /ˈɔːrθədɑːksi/

orthodoxy

正統
Meaning
traditional or generally accepted beliefs and practices
Example
The religious leader defended the orthodoxy of the faith.
宗教指導者は信仰の正統性を守った。
B2 verb /ɪɡˈzɜrt/

exert

行使する
Meaning
to apply or bring to bear; to use physical or mental effort
Example
He exerted all his strength to lift the heavy box.
彼は重い箱を持ち上げるために全力を尽くした。
B2 verb /buːst/

boost

増加させる
Meaning
To increase, improve, or raise something.
Example
The company launched a campaign to boost sales.
会社は売上を増加させるためのキャンペーンを開始しました。
C1 noun /fɪˈlæn.θrə.pi/

philanthropy

フィランソロピー
Meaning
the desire to promote the welfare of others, often expressed by the generous donation of money to good causes
Example
Philanthropy has helped improve healthcare in many developing countries.
フィランソロピーは多くの発展途上国で医療を改善するのに役立っています。
C2 noun /ˈmænˌiː.tər/

man-eater

人食い
Meaning
An animal that kills and eats humans; informally, a woman who is very assertive in relationships.
Example
The tiger became a notorious man-eater in the village.
その虎は村で悪名高い人食いとなった。
C1 adjective /ɡɔːnt/

gaunt

痩せこけた
Meaning
extremely thin, bony, and haggard in appearance, often due to hunger or illness
Example
After weeks of illness, he looked pale and gaunt.
何週間もの病気の後、彼は青白くて痩せこけて見えた。
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。
C2 noun /ˈkɔː.seər/

corsair

海賊
Meaning
a pirate, especially one operating along the Mediterranean coasts
Example
The corsair plundered ships along the coast.
コルセアは海岸沿いで船を略奪した。
A1 adjective /ˈmɛni/

many

多くの
Meaning
a large number of
Example
Many students attended the lecture.
多くの学生が講義に参加しました。
A2 adjective /ˈreɪ.ni/

Rainy

雨の日の
Meaning
characterized by rain; wet from rain; having much rain
Example
It was a rainy day, so we stayed indoors.
今日は雨の日だったので、家の中にいました。
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。
C1 adjective /trænˈsen.dənt/

transcendent

通常のまたは単に物理的な人間の経験の範囲を超えている
Meaning
Beyond or above the range of normal or merely physical human experience.
Example
His art has a transcendent quality.
彼の芸術は超越的な品質を持っています。
B2 adjective /dæmp/

damp

湿った
Meaning
slightly wet, often in an unpleasant way
Example
The room felt cold and damp after the rain.
雨の後、部屋は冷たくて湿っていると感じました。
B1 noun /ˈsɛkrəteri/

secretary

Meaning
a person employed to handle correspondence and manage routine tasks for an individual or organization
Example
The secretary scheduled the meeting for tomorrow.
B2 adverb /ˈθɪkli/

Thickly

密集して
Meaning
in a thick manner; densely; heavily
Example
The forest was thickly wooded with tall pine trees.
森は高い松の木で密集して覆われていた。
C2 verb /əˈɡriːv/

aggrieve

傷つける
Meaning
to cause distress or make someone feel resentful
Example
She felt aggrieved by the unfair decision.
彼女は不公平な決定に心を痛めていた。
C1 noun /ɪˈvæp.ər.ə.tɪv ˈkuː.lər/

Evaporative cooler

蒸発冷却器
Meaning
a cooling device that uses water evaporation to reduce air temperature
Example
The evaporative cooler works best in dry climates.
蒸発冷却器は乾燥した気候で最も効果的に機能します。
B2 noun /ˌreɡ.jʊˈlær.ɪ.ti/

Regularity

規則正しさ
Meaning
the quality of being regular; occurring at fixed intervals or in a consistent pattern
Example
The regularity of his exercise routine helped him stay healthy.
彼の運動習慣の規則正しさが健康を維持するのに役立ちました。
C2 adjective /əbˈstrɛpərəs/

obstreperous

騒がしくて制御が難しい
Meaning
Noisy and difficult to control.
Example
The obstreperous students disrupted the class.
騒がしい学生たちが授業を妨害した。
B1 verb /rɪˈdʒekt/

reject

拒否する
Meaning
to refuse to accept or consider something
Example
The committee decided to reject the proposal.
委員会は提案を拒否することに決めました。
B2 adjective /hɪˈspænɪk/

hispanic

ヒスパニック / スペイン語を話す
Meaning
relating to Spain or Spanish-speaking countries, especially Latin America.
Example
She studies Hispanic culture and language.
彼女はヒスパニック文化と言語を学んでいます。
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。
C2 noun /ɪˈreɪdiəns/

irradiance

放射輝度
Meaning
the quality of shining brightly; the intensity of light falling on a surface
Example
The irradiance of the sun at noon was overwhelming.
正午の太陽の放射輝度は圧倒的でした。
C2 noun /ˈpjuːdʒɪlɪzəm/

pugilism

ボクシング
Meaning
The practice or sport of boxing.
Example
He studied the art of pugilism in his youth.
彼は若い頃、ボクシングの技術を学びました。
B2 noun /ˈɔːkʃən/

Auction

オークション
Meaning
a public sale in which goods or property are sold to the highest bidder
Example
The antique furniture was sold at an auction last weekend.
アンティーク家具は先週末のオークションで売られました。
B1 adjective /ˈsæt.ɪs.fæk.tər.i/

Satisfactory

満足のいく
Meaning
acceptable; meeting requirements; adequate
Example
The test results were satisfactory.
テストの結果は満足のいくものでした。
B2 adverb /ʌnˈsɜːrtənli/

uncertainly

不確かに
Meaning
in a way that shows doubt or lack of certainty
Example
She glanced uncertainly at the complicated instructions.
彼女は複雑な指示を不確かに見つめた。
B2 verb /ɪnˈdʒɛkt/

inject

注射する
Meaning
To introduce a substance, especially a drug, into the body using a needle.
Example
The nurse will inject the vaccine into the patient's arm.
看護師は患者の腕にワクチンを注射します。
C1 verb /ˈædʒ.ɪ.teɪt/

agitate

扇動する, 激しくする
Meaning
to stir up feelings or disturb; to campaign for change
Example
The protesters agitated for better working conditions.
抗議者たちはより良い労働条件を求めて活動した。
C1 adjective /dɪˈmɪnjətɪv/

diminutive

非常に小さい
Meaning
extremely or unusually small
Example
Despite his diminutive size, he was a powerful leader.
その非常に小さい体格にもかかわらず、彼は強力なリーダーだった。
B2 adjective /ˌbaɪəˈlɒdʒɪkl̩/

biological

生物学的
Meaning
relating to the science of biology or to life and living organisms
Example
She is studying biological sciences at university.
彼女は大学で生物学的な科学を学んでいます。
C2 verb /dɪˈsɛvər/

dissever

分ける
Meaning
To separate or cut apart.
Example
The treaty sought to dissever the two hostile regions.
条約は二つの敵対的な地域を分割しようとした。
B2 noun /ɪkˈskluːʒən/

exclusion

排除
Meaning
The process or state of being left out or denied access.
Example
The policy led to the exclusion of certain groups.
その政策は特定のグループの排除を招いた。
B2 verb /spɪn/

spin

回転する
Meaning
To turn around quickly or cause something to rotate
Example
The dancer began to spin gracefully on the stage.
ダンサーはステージで優雅に回転を始めました。
B2 adjective /ˈliː.fi/

Leafy

葉が多い; 葉で覆われた
Meaning
having many leaves; covered with leaves
Example
The leafy green vegetables are very nutritious.
葉の多い緑の野菜はとても栄養価が高いです。
B2 noun /ˈsɪmptəm/

symptom

症状
Meaning
a sign or indication of something, especially of an illness
Example
Fever is a common symptom of the flu.
熱はインフルエンザの一般的な症状です。
A1 preposition /ˈdjʊərɪŋ/

during

〜の間に
Meaning
throughout the course of a period of time
Example
I fell asleep during the movie.
私は映画の間に寝てしまいました。
C1 noun /ˈbɑn.dɪdʒ/

Bondage

奴隷状態; 拘束
Meaning
the state of being a slave; the state of being under the control of a force or influence
Example
The people fought to escape from the bondage of oppression.
人々は圧政の束縛から逃れるために戦った。
B1 noun /ˌrɛp.jʊˈteɪ.ʃən/

reputation

評判, 名声
Meaning
The opinion generally held about someone or something; fame or prestige.
Example
A good reputation is essential for business success.
良い評判はビジネスの成功に不可欠です。
B1 noun /ˈwaɪldˌlaɪf/

wildlife

野生動物
Meaning
animals, birds, and plants living in their natural environment
Example
The park is home to a wide variety of wildlife.
その公園は多種多様な野生動物の家です。
C1 noun /ˈmɒn.ə.təʊn/

monotone

単調な声
Meaning
A continuous sound, especially of a person's voice, that does not rise and fall in pitch.
Example
The teacher's monotone made the lecture hard to follow.
教師のモノトーンが講義を聞き取るのを難しくした。
C1 noun /slæb/

slab

スラブ
Meaning
a large, thick, flat piece of stone, concrete, or other hard material
Example
The workers laid a concrete slab for the foundation.
作業員たちは基礎のためにコンクリートのスラブを敷きました。
C1 noun /ˈʃoʊ.vəˌnɪz.əm/

chauvinism

Meaning
Excessive or prejudiced support for one's own cause, group, or gender, often with contempt for others.
Example
The company's culture was criticized for promoting male chauvinism.
B1 noun /ˌkænsəˈleɪʃən/

cancellation

取消
Meaning
the act of stopping something that was planned or scheduled; the act of nullifying or invalidating something
Example
The airline announced the cancellation of several flights due to bad weather.
悪天候のため、いくつかの便が取り消されました。
A2 verb /ˈmɪsɪŋ/

missing

行方不明
Meaning
Being without or lacking; failing to be present or included.
Example
Many youths are missing economic opportunities.
多くの若者が経済的機会を逃しています。
C1 adjective/noun /ˈkɜːrsɪv/

cursive

カースィブ書き
Meaning
Written with characters joined together in a flowing manner.
Example
The teacher asked students to write the essay in cursive handwriting.
先生は生徒にカースィブ書きでエッセイを書くように言いました。
C2 verb /ˌɛfəˈvɛs/

effervesce

泡立つ
Meaning
To give off bubbles of gas; to show excitement, liveliness, or enthusiasm.
Example
The soda began to effervesce as soon as it was opened.
ソーダは開けるとすぐに泡が立ち始めました。
B2 noun ডিজিটাল ডিটক্স

digital detox

デジタルデトックス
Meaning
A period of time during which a person refrains from using electronic devices such as smartphones or computers, regarded as an opportunity to reduce stress or focus on social interaction in the physical world.
Example
A digital detox can help reduce hand fatigue.
デジタルデトックスは手の疲労を減らすのに役立ちます。
B2 noun/adjective /kənˈstɪtʃuənt/

constituent

構成要素 / 有権者
Meaning
Noun: A member of a constituency or an essential part of something. Adjective: Being a necessary part of a whole.
Example
The senator met with his constituents to discuss local issues.
上院議員は地元の問題を議論するために選挙区の有権者と会いました。
C1 noun /səˈbraɪəti/

sobriety

節制
Meaning
the state of being sober; self-restraint and seriousness
Example
He has maintained his sobriety for five years.
彼は5年間その節制を保っています。
C2 noun /pəˈlæv.ər/

palaver

無駄な議論 / 騒動
Meaning
prolonged and idle discussion; fuss or unnecessary talk
Example
After much palaver, they finally agreed on the plan.
長時間無駄な議論の後、彼らは最終的に計画に同意しました。
A2 noun /bɑːθ/

Bath

お風呂; 浴槽
Meaning
the act of washing one's body; a container for bathing
Example
I take a hot bath every evening.
私は毎晩、熱いお風呂に入ります。
C1 noun /ˈreɪ.vən/

Raven

ワタリガラス
Meaning
a large, black bird with a thick bill and harsh croaking voice
Example
The raven perched on the old oak tree and cawed loudly.
ワタリガラスが古いオークの木に止まり、大きな声で鳴いた。
A2 adjective /ˈprɒpər/

proper

適切な
Meaning
conforming to accepted standards of behavior or morality
Example
He made sure to wear proper attire for the interview.
彼は面接のために適切な服を着ることを確認しました。
C2 noun /slaɪt/

sleight

手品
Meaning
Skill or dexterity, especially in performing tricks.
Example
The magician amazed the crowd with his sleight of hand.
マジシャンはその手品で観客を驚かせた。
C1 noun /kənˈfɔːrməns/

conformance

適合性
Meaning
The act of conforming to a rule, standard, or law.
Example
The product was tested for conformance with safety standards.
製品は安全基準に対する適合性がテストされました。
B2 noun /ˈæstərɔɪd/

asteroid

アステロイド
Meaning
A small rocky body orbiting the sun, mostly found in the asteroid belt between Mars and Jupiter.
Example
The asteroid belt lies between the orbits of Mars and Jupiter.
小惑星帯は火星と木星の軌道の間にあります。
B2 verb /kənˈsiːl/

conceal

隠す
Meaning
to hide something or keep it secret
Example
He tried to conceal his disappointment behind a smile.
彼は微笑みの背後に自分の失望を隠そうとした。
C2 adjective /ˈroʊziət/

roseate

バラ色の、楽観的な
Meaning
Having a pink color; optimistic or idealistic.
Example
She looked at the future with roseate optimism.
彼女はローズ色の楽観主義で未来を見ました。
C1 noun /ˈkwɒn.dər.i/

Quandary

ジレンマ; 困惑
Meaning
a difficult situation where you cannot decide what to do; dilemma
Example
She was in a quandary about which job offer to accept.
彼女はどの仕事のオファーを受け入れるかを決めかねていた。
C1 noun /ˈblɪs.tər/

Blister

水ぶくれ
Meaning
a small bubble on the skin filled with serum and caused by friction, burning, or other damage
Example
The new shoes gave her a painful blister on her heel.
新しい靴が彼女のかかとに痛い水ぶくれを作った。
A2 noun /səˈluː.ʃən/

Solution

解決策; 返信; 液体の混合物
Meaning
an answer to a problem; a liquid mixture
Example
We need to find a solution to this problem.
私たちはこの問題の解決策を見つける必要があります。
A2 adjective /swiːt/

Sweet

甘い; 親切な; 魅力的な
Meaning
having a pleasant taste; kind and gentle; pleasing
Example
She has a sweet voice that everyone loves to hear.
彼女は甘い声を持っていて、皆が聴きたがる。
A2 adverb /werˈevər/

Wherever

どこでも
Meaning
In every place that; anywhere that; no matter where
Example
Wherever you go, I will follow.
どこへ行っても、私はあなたについていきます。
C2 noun, verb /ˈkæŋkər/

canker

Meaning
A fungal disease of plants; an ulcerous sore in the mouth; to corrupt or destroy slowly
Example
The tree was infected with a canker that damaged its bark.
B2 noun /θred/

thread

Meaning
a long, thin strand of cotton, nylon, or other fibers used for sewing
Example
She used a red thread to sew the torn button back on.
彼女は赤い糸を使って壊れたボタンを縫い直しました。
C2 noun /ˈkɪŋʃɪp/

kingship

王権
Meaning
The position, dignity, or authority of a king.
Example
The king’s advisors often reminded him of the responsibilities of kingship.
王の顧問たちはしばしば彼に王権の責任を思い出させました。
C1 adjective /ˈprɒdɪɡəl/

prodigal

浪費家
Meaning
spending money or resources freely and recklessly; wastefully extravagant
Example
The prodigal son returned home after wasting his inheritance.
浪費家の息子は、遺産を浪費した後、家に帰りました。
B2 noun /ˈdoʊnər/

donor

ドナー
Meaning
A person who gives something, especially to a charity or cause.
Example
The donor contributed generously to the hospital’s new wing.
ドナーは病院の新しい翼に寛大に寄付しました。
C1 noun /prəˌlɪf.əˈreɪ.ʃən/

proliferation

急増
Meaning
Rapid increase in the number or amount of something; rapid multiplication or growth.
Example
The proliferation of malware is a growing concern.
マルウェアの急増は懸念事項です。
C1 adjective ˌkwɪn.tɪˈsen.ʃəl

quintessential

典型的または最も完璧な例
Meaning
representing the most perfect or typical example of a quality or class.
Example
The artist's work is the quintessential example of modernism.
アーティストの作品はモダニズムの典型的な例です。
B2 adjective /ˌnɒnˈprɒfɪt/

nonprofit

非営利団体
Meaning
an organization that does not aim to make a profit, often serving a social or charitable purpose.
Example
She works for a nonprofit organization that helps children.
彼女は子供たちを助ける非営利団体で働いています。
B2 noun /fəˈnɒmɪnən/

phenomenon

現象
Meaning
an observable event, fact, or occurrence, often unusual or remarkable
Example
The Northern Lights are a natural phenomenon.
オーロラは自然現象です。
B2 noun /ˌɑːr.kiˈɑː.lə.dʒi/

archeology

考古学
Meaning
the study of human history and prehistory through excavation and analysis of artifacts and structures
Example
She decided to study archeology to learn about ancient civilizations.
彼女は古代文明について学ぶために考古学を学ぶことに決めました。
C2 verb /ɪˈnjʊər/

inure

慣れる
Meaning
To become accustomed to something, especially something unpleasant.
Example
Soldiers quickly became inured to the harsh conditions.
兵士たちはすぐに過酷な状況に慣れました。
B2 noun /ˈstɔːrɪdʒ/

storage

保存
Meaning
the action or method of storing something for future use
Example
The warehouse offers plenty of storage space.
倉庫にはたくさんの保存スペースがあります。
C1 adjective /ˈdɛkədənt/

decadent

堕落的, 贅沢な
Meaning
Characterized by or reflecting a state of moral or cultural decline; excessively self-indulgent.
Example
The party was filled with decadent luxury and excess.
パーティーは堕落的な贅沢と過剰で満たされていました。
B1 verb /ˈpʌblɪʃ/

publish

出版する
Meaning
to print and distribute books, magazines, etc.; to make information available
Example
The author will publish her new novel next month.
著者は来月新しい小説を出版します。
C2 noun /ˈkænə/

Canna

カンナ
Meaning
a tropical flowering plant with large, colorful flowers and broad leaves
Example
The bright orange canna lilies grew tall beside the pond.
明るいオレンジ色のカンナリリーが池の横に高く成長しました。
C2 noun /ˈskʌl.i.ən/

scullion

台所の使用人
Meaning
a servant assigned the most menial kitchen tasks
Example
In medieval times, a scullion was responsible for cleaning pots and pans.
中世の時代、スカリオンは鍋やフライパンを掃除する責任がありました。
C2 verb əˈtɛn.ju.eɪt

attenuate

和らげる
Meaning
To reduce the force, effect, or value of something; to make weak or thin.
Example
The medicine helps attenuate the pain.
その薬は痛みを和らげるのに役立ちます。
C2 noun /ˈɔːrzmən/

Oarsman

オールマン
Meaning
a person who rows a boat, especially as a member of a racing crew
Example
The experienced oarsman rowed the boat across the river.
経験豊富なオールマンは川を渡るためにボートを漕いだ。
C2 verb /flɛdʒ/

fledge

飛べるようになる
Meaning
To develop wing feathers large enough for flight; to bring up until able to fly.
Example
The young birds will fledge in a few weeks.
若い鳥たちは数週間以内に飛べるようになる。
A2 adjective /əˈwɛər/

aware

気づいている
Meaning
having knowledge or perception of a situation or fact
Example
She is aware of the risks involved.
彼女はそのリスクに気づいている。
B2 noun /ˌdaɪəɡˈnoʊsɪs/

diagnosis

Meaning
The identification of a disease, condition, or problem through examination of symptoms.
Example
The diagnosis confirmed that she had diabetes.