defile
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C1 verb /dɪˈfaɪl/

defile

汚す
Meaning
to pollute, corrupt, or make dirty
Example
The river was defiled by industrial waste.
川は工業廃水によって汚された。
C1 adjective /ˈstɛlər/

stellar

素晴らしい
Meaning
Relating to stars; outstanding or excellent.
Example
She gave a stellar performance in the play.
彼女は劇中で素晴らしいパフォーマンスを披露しました。
C1 verb /blæntʃ/

blanch

青ざめる
Meaning
to turn pale from shock, fear, or to briefly boil food to remove skin or prepare it
Example
She blanched at the sight of blood.
彼女は血を見て顔色が青ざめた。
C1 adjective /ˈwaɪ.li/

Wily

ずる賢い; ずるい; 狡猾な
Meaning
clever; cunning; sly
Example
The wily fox escaped from the trap using his cunning intelligence.
ずる賢いキツネはその狡猾な知恵を使って罠から逃げた。
C1 verb /ˈslækən/

slacken

緩める
Meaning
to make or become less tight, less active, or slower
Example
The driver slackened his speed as he approached the village.
運転手は村に近づくにつれて速度を緩めた。
C1 adjective /ˈkɑːr.di.æk/

cardiac

心臓の
Meaning
Relating to the heart.
Example
The patient was admitted with a cardiac condition.
患者は心臓の病状で入院しました。
C1 noun /kæʃ/

cache

キャッシュ
Meaning
A hidden storage of items or a high-speed memory in computing.
Example
The hikers found a cache of supplies hidden under the rocks.
ハイカーたちは岩の下に隠された物資のキャッシュを見つけました。
C1 noun /ˌdev.əˈtiː/

Devotee

信者; 献身者
Meaning
a person who is very interested in and enthusiastic about someone or something
Example
As a devotee of classical music, she attended every concert in the city.
クラシック音楽の信者として、彼女は都市のすべてのコンサートに参加していました。
C1 noun /kənˈspɪrə.tər/

conspirator

陰謀者
Meaning
a person who secretly plans with others to do something unlawful or harmful
Example
The conspirator was arrested before the plan could be carried out.
陰謀者は計画が実行される前に逮捕された。
C1 noun /ˌɪndɪɡˈneɪʃən/

indignation

憤慨
Meaning
Strong displeasure or anger caused by something unjust, offensive, or insulting.
Example
Public indignation grew after the unfair verdict.
不公平な判決の後で、公衆の憤慨が高まった。
C1 adjective /ˈbɛndi/

bendy

柔軟な
Meaning
Easily curved or flexible.
Example
The bendy straw made it easier to drink from the cup.
曲がるストローでカップから飲むのが楽になった。
C1 noun /sɪˈsɛʃən/

secession

分離
Meaning
The action of formally withdrawing from membership of a federation or body.
Example
The secession of the southern states led to the Civil War.
南部諸州の分離は南北戦争を引き起こした。
C1 verb /ˌpriːdɪˈspoʊz/

predispose

予備的にする
Meaning
To make someone more likely to behave in a certain way or be affected by something.
Example
His genetics may predispose him to diabetes.
彼の遺伝子は、彼が糖尿病になる可能性を高めるかもしれません。
C1 verb /kliːv/

cleave

裂ける, 切る
Meaning
to split or divide; to cut through forcefully
Example
He used an axe to cleave the wood.
彼は斧を使って木を割った。
C1 adjective ˈvɪdʒ.ɪ.lənt

vigilant

警戒
Meaning
Keeping careful watch for possible danger or difficulties; alert and watchful.
Example
The guards remained vigilant throughout the night.
警備員は一晩中警戒を保ち続けました。
C1 verb /hɜːrl/

hurl

Meaning
To throw something with great force.
Example
The boy hurled a stone into the river.
C1 verb /ˌpoʊstˈdeɪt/

postdate

後日の日付を記入する
Meaning
To assign a date later than the actual date to a document or event.
Example
She postdated the check to next month.
彼女は小切手に来月の日付を付けました。
C1 verb /spɜːrn/

spurn

軽蔑して拒絶する
Meaning
To reject something or someone with disdain or contempt.
Example
She spurned his offer of help.
彼女は軽蔑の気持ちで彼の助けの申し出を拒絶した。
C1 adjective /ˈmaɪndləs/

mindless

無意味な
Meaning
without thought or intelligence; done without consideration
Example
He was bored by the mindless tasks at work.
彼は仕事の中で無意味な作業に退屈していた。
C1 noun /ˈpruːdəns/

prudence

慎重
Meaning
The quality of being cautious, wise, and exercising good judgment.
Example
She invested her money with great prudence.
彼女は非常に慎重にお金を投資した。
C1 noun /bəˈnɛv.ə.ləns/

benevolence

慈善または優しさ
Meaning
The quality of being well meaning and kindly; the disposition to do good.
Example
His benevolence towards the poor earned him respect.
貧しい人々に対する彼の優しさは、彼に尊敬をもたらしました。
C1 noun /ˈmɒnəʊˌkʌltʃər/

monoculture

モノカルチャー
Meaning
The agricultural practice of growing only one type of crop over a large area and for many consecutive years, which can lead to increased vulnerability to pests and diseases.
Example
Monoculture can lead to soil depletion and increased pest vulnerability.
モノカルチャーは土壌の劣化や害虫への脆弱性の増加を引き起こす可能性があります。
C1 noun /ˈdɛsɪˌbɛl/

decibel

デシベル
Meaning
a unit used to measure the intensity of sound
Example
The noise level in the factory exceeded 90 decibels.
工場の騒音レベルは90デシベルを超えました。
C1 adjective /juːˈfɔːrɪk/

euphoric

幸福感に満ちた
Meaning
Characterized by or feeling intense excitement and happiness.
Example
The fans were euphoric after their team's victory.
チームが勝った後、ファンは幸福感に満ちていた。
C1 adjective /rɪˈsɛsɪv/

recessive

潜性
Meaning
In genetics, relating to a trait that is expressed only when two copies of the gene are present.
Example
Blue eye color is often a recessive trait.
青い目の色はしばしばリセシブな特徴です。
C1 adjective /ˈwɪl.fəl/

Wilful

頑固な; 意図的な
Meaning
deliberately stubborn; done on purpose; intentional
Example
His wilful disobedience led to punishment.
彼の意図的な不服従は罰に繋がった。
C1 verb /ˈkæptɪveɪt/

captivate

魅了する、引きつける
Meaning
to attract and hold the interest of; to charm or fascinate
Example
Her beautiful voice captivated the audience.
彼女の美しい声は観客を魅了した。
C1 noun ˈdʒɛnɪsɪs

genesis

起源, 創世
Meaning
The origin or mode of formation of something.
Example
The genesis of the internet changed the world forever.
インターネットの起源は世界を永遠に変えました。
C1 adjective /ˈpɛnsɪv/

pensive

物思いにふけった
Meaning
Engaged in deep or serious thought.
Example
She looked pensive as she stared out of the window.
彼女は窓の外を見ながら物思いにふけっているようだった。
C1 noun /ˌdɛməˈlɪʃən/

demolition

解体
Meaning
the act or process of destroying a building or structure
Example
The demolition of the old factory took several weeks.
古い工場の解体には数週間かかりました。
C1 noun /ˈɛpɪθɛt/

epithet

別名
Meaning
A descriptive phrase or word used to characterize someone or something, often as a nickname.
Example
He earned the epithet ‘The Great’ for his remarkable achievements.
彼はその素晴らしい業績により‘偉大な’別名を得ました。
C1 verb /raɪl/

rile

Meaning
to irritate or annoy someone
Example
His careless comments really riled her.
C1 noun /dɪˈfɛkʃən/

defection

脱党
Meaning
The act of abandoning one’s country, cause, or group in favor of another.
Example
The politician’s defection shocked his supporters.
その政治家の脱党は支持者を驚かせました。
C1 adjective /flæmˈbɔɪənt/

flamboyant

派手で色鮮やかな、または自信に満ちた
Meaning
showy, strikingly bold or colorful; confident and lively
Example
His flamboyant style drew everyone's attention at the party.
彼の派手なスタイルはパーティーで皆の注目を集めました。
C1 noun ˌpriː.dɪs.pəˈzɪʃ.ən

predisposition

素因
Meaning
A natural tendency or inclination toward a particular behavior or condition.
Example
Genetic factors can influence a person's predisposition to diseases.
遺伝的要因は、病気に対する人の素因に影響を与える可能性があります。
C1 verb /ˈduːdəl/

doodle

Meaning
To draw or scribble absentmindedly, often while thinking about something else.
Example
She doodled flowers in the corner of her notebook during class.
C1 noun /kəˈres/

Caress

愛撫
Meaning
a gentle or loving touch
Example
The mother's gentle caress calmed the crying baby.
母親の優しい愛撫が泣いている赤ちゃんを落ち着かせた。
C1 verb /blɛər/

blare

大きな音を立てる
Meaning
to make a loud, harsh sound
Example
The car horns blared all night.
車のクラクションは一晩中鳴り響いていた。
C1 adjective /rɪˈdʌn.dənt/

redundant

冗長な
Meaning
Not or no longer needed or useful; superfluous.
Example
The report contained redundant information.
その報告書には冗長な情報が含まれていました。
C1 verb /ˈɡlɪsən/

glisten

輝く
Meaning
To shine with a sparkling light, often when wet or polished.
Example
The grass glistened with morning dew.
朝露で草は輝いていた。
C1 adjective /ˈspaɪn.ləs/

Spineless

勇気がない; 意志が弱い; 臆病
Meaning
lacking courage or determination; weak-willed
Example
He was too spineless to stand up for his beliefs.
彼は自分の信念を貫くには、あまりにも臆病すぎた。
C1 adjective /ˈrɛzənənt/

resonant

響く
Meaning
Deep, clear, and continuing to sound or echo.
Example
The resonant voice of the speaker filled the hall.
スピーカーの響く声がホールに響き渡った。
C1 verb /nəˈsɛsɪteɪt/

necessitate

必要とする
Meaning
To make something necessary or unavoidable.
Example
The heavy rains necessitated the cancellation of the event.
激しい雨はイベントのキャンセルを避けられないものにしました。
C1 adjective /ˈɔːdəˌtɔːri/

auditory

Meaning
Relating to the sense of hearing.
Example
The lecture was designed to enhance students' auditory learning skills.
C1 adjective, noun /ˈɪnvəlɪd/ (adjective), /ɪnˈvælɪd/ (noun)

invalid

無効
Meaning
Not valid; having no force or effect. Also refers to a person too weak or ill to care for themselves.
Example
The court declared the contract invalid.
裁判所は契約を無効と宣言した。
C1 noun /ˈsaɪkiː/

psyche

魂 / 心
Meaning
the human soul, mind, or spirit
Example
The novel explores the depths of the human psyche.
その小説は人間の精神の深層を探求します。
C1 verb /rɪˈdiːm/

redeem

償う
Meaning
to compensate for faults or mistakes; to exchange something for value
Example
He managed to redeem his reputation after the scandal.
彼はスキャンダル後に自分の評判を回復しました。
C1 noun /ˈsaɪ.ən/

scion

子孫
Meaning
a descendant of a wealthy, aristocratic, or influential family
Example
He is the scion of a wealthy industrialist family.
彼は裕福な実業家の家族の子孫です。
C1 noun /ˈbɑːr.tər ˌsɪs.təm/

barter system

物々交換システム
Meaning
A system of exchange where goods and services are traded directly without using money.
Example
Ancient civilizations used the barter system for trade.
古代の文明は貿易のために物々交換システムを使用していました。
C1 adjective /ɪˈklɛktɪk/

eclectic

エクレクティック
Meaning
Selecting or deriving ideas, styles, or tastes from a broad and diverse range of sources.
Example
Her taste in music is eclectic, ranging from classical to hip-hop.
彼女の音楽の好みはエクレクティックで、クラシックからヒップホップまで幅広いです。
C1 adverb /iːsˈθetɪkli/

aesthetically

美的に
Meaning
in a way that is concerned with beauty or visual appeal
Example
The building is aesthetically pleasing despite its simple design.
その建物はシンプルなデザインにもかかわらず美的に魅力的です。
C1 noun /fɪˈziːk/

physique

体格
Meaning
the form, size, and development of a person's body
Example
He has an athletic physique due to years of training.
彼は長年のトレーニングでアスリートのような体格を持っています。
C1 adjective /ˈɡɔːri/

gory

血なまぐさい
Meaning
involving or showing a lot of bloodshed and violence
Example
The movie was too gory for children.
その映画は子供には血なまぐさいすぎました。
C1 verb /ˈlɛvi/

levy

課税する
Meaning
To impose or collect, especially a tax or fine.
Example
The government decided to levy a new tax on luxury goods.
政府は高級品に新しい税金を課すことに決めました。
C1 noun /ˈskaʊndrəl/

scoundrel

悪党
Meaning
a dishonest or unscrupulous person; a villain
Example
That scoundrel cheated the old man out of his savings.
その悪党は老人から貯金を騙し取った。
C1 verb, noun /dɪsˈkrɛdɪt/

discredit

信用を失わせる
Meaning
To harm the reputation of someone or something; loss of respect or credibility.
Example
The scandal discredited the politician in the eyes of the public.
スキャンダルは公衆の目で政治家を信用を失わせました。
C1 adjective /sɪˈkluːdɪd/

secluded

人里離れた
Meaning
Placed apart from other people or things; private and quiet.
Example
They spent their vacation in a secluded beach house.
彼らは人里離れたビーチハウスで休暇を過ごしました。
C1 adjective /ˈbɑːmi/

balmy

穏やかで心地よい温かさ;癒し。
Meaning
Mild and pleasantly warm; soothing.
Example
We enjoyed a walk on a balmy summer evening.
私たちは穏やかな夏の夕方に散歩を楽しみました。
C1 noun /nɒb/

Knob

ドアや引き出しの丸い取っ手; 機械の小さな丸いスイッチ
Meaning
a rounded handle on a door or drawer; a small rounded switch on a machine
Example
He turned the brass knob to open the old wooden door.
彼は古い木の扉を開けるために真鍮のノブを回した。
C1 verb /bloʊt/

bloat

膨らむ
Meaning
to swell or cause to swell, often due to fluid or gas
Example
Eating too much junk food can bloat your stomach.
ジャンクフードを食べすぎると、あなたの胃が膨らむことがあります。
C1 noun /əˈsɛndənsi/

ascendancy

優位, 支配
Meaning
A position of power, influence, or control over others.
Example
The company gained ascendancy in the market through innovation.
その会社は革新を通じて市場で優位を獲得しました。
C1 noun /kənˈsiːt/

conceit

虚栄心
Meaning
excessive pride in oneself; vanity
Example
His conceit made him unpopular among his colleagues.
彼の虚栄心は彼を同僚の中で不人気にした。
C1 adjective /ɪnˈsɛnsəbl/

insensible

無意識
Meaning
Unconscious; unaware of or indifferent to something.
Example
He was insensible to the cold as he lay in the snow.
彼は雪の中で横たわっているとき、寒さに無意識でした。
C1 noun /rɪˈtriː.vəl/

retrieval

回復
Meaning
The process of getting something back, especially from storage or memory.
Example
The brain's retrieval system helps recall past experiences.
脳のリトリーバルシステムは過去の経験を思い出すのに役立ちます。
C1 adjective /ˈfeɪt.fəl/

fateful

運命的または致命的
Meaning
having significant or disastrous consequences
Example
Their fateful decision changed the course of history.
彼らの運命的な決定は歴史の流れを変えました。
C1 noun /ˈbraɪ.dəl/

Bridle

手綱; 騎馬用具
Meaning
the headgear used to control a horse, consisting of buckled straps and a bit
Example
The rider adjusted the horse's bridle before mounting for the race.
騎手はレースの前に馬の手綱を調整した。
C1 noun /prɒɡˈnoʊsɪs/

prognosis

予後
Meaning
A forecast of the likely outcome of a disease or situation.
Example
The doctor gave a positive prognosis for the patient's recovery.
医者は患者の回復に対してポジティブな予後を示した。
C1 verb /dʒɒt/

jot

素早く短く書く
Meaning
to write something quickly and briefly
Example
She jotted down his phone number on a napkin.
彼女はナプキンに彼の電話番号を素早く書き留めました。
C1 verb /ˈskwɒndər/

squander

浪費する
Meaning
to waste money, time, or opportunities in a careless way
Example
He squandered his inheritance on gambling.
彼はギャンブルに遺産を浪費した。
C1 noun, adjective /ˈlæksətɪv/

laxative

下剤
Meaning
A medicine or substance that stimulates bowel movements; tending to loosen or relieve constipation.
Example
The doctor prescribed a mild laxative for her condition.
医者は彼女の状態のために軽い下剤を処方しました。
C1 noun /ˈɑː.kɪ.taɪp/

archetype

原型、典型
Meaning
A very typical example of a certain person or thing; an original model or prototype.
Example
This painting is the archetype of modern art.
この絵は現代アートの原型です。
C1 adjective /ˌɛm.briˈɒn.ɪk/

embryonic

胚芽の
Meaning
in an early or undeveloped stage; relating to an embryo
Example
The project is still in its embryonic stage.
そのプロジェクトはまだ胚芽段階にあります。
C1 adjective /ɪˈnɒkjuəs/

innocuous

無害な
Meaning
Not harmful or offensive.
Example
His remark was completely innocuous and not meant to offend anyone.
彼の発言は完全に無害で、誰かを傷つける意図はなかった。
C1 verb /ˌriːɪmˈbɜːrs/

reimburse

払い戻す
Meaning
to pay back money to someone who has spent it or lost it
Example
The company reimbursed him for travel expenses.
会社は彼に旅行費用を払い戻しました。
C1 noun /ədˈhɪərənt/

adherent

支持者
Meaning
a person who supports or follows a particular belief, cause, or leader
Example
He is a strong adherent of democratic values.
彼は民主的な価値観の強力な支持者です。
C1 adjective /ʌnˈkæni/

uncanny

不気味
Meaning
Strange or mysterious, especially in an unsettling way.
Example
She has an uncanny ability to predict the future.
彼女は未来を予測する不気味な能力を持っている。
C1 adjective /ˈplaɪənt/

pliant

柔軟な、影響を受けやすいまたは適応可能な
Meaning
flexible; easily influenced or adaptable
Example
She has a pliant personality that adapts well to new situations.
彼女は新しい状況にうまく適応できる柔軟な性格を持っています。
C1 adjective /ɪnˈkwɪzɪtɪv/

inquisitive

好奇心旺盛な
Meaning
Curious or eager to learn and ask questions.
Example
The inquisitive child asked endless questions about the stars.
好奇心旺盛な子供は星について無限に質問をしました。
C1 noun /ˌpeɪ.li.ɒnˈtɒl.ə.dʒi/

paleontology

古生物学
Meaning
the branch of science concerned with fossil animals and plants
Example
She decided to study paleontology at university.
彼女は大学で古生物学を学ぶことに決めました。
C1 noun /ˈdɪsɪdənt/

dissident

反体制派
Meaning
A person who opposes official policy, especially that of an authoritarian state.
Example
The dissident was arrested for speaking against the government.
反体制派は政府に対する発言で逮捕された。
C1 verb /ˈkɒŋɡrɪɡeɪt/

congregate

集まる, 集結する
Meaning
to gather together in a group; to assemble
Example
People congregate in the town square every evening.
人々は毎晩町の広場に集まります。
C1 noun /kwɔːrˈtɛt/

quartet

カルテット
Meaning
A group of four people playing music or singing together.
Example
The string quartet performed beautifully at the concert.
弦楽四重奏団はコンサートで素晴らしい演奏をしました。
C1 adjective /kɜːrt/

curt

ぶっきらぼう
Meaning
Rudely brief in speech or manner.
Example
His curt reply made everyone uncomfortable.
彼のぶっきらぼうな返答は、皆を不快にさせた。
C1 adjective /əˈwɒʃ/

awash

水浸し
Meaning
covered or flooded with water or something in large quantities
Example
The market was awash with cheap imported goods.
市場は安価な輸入品で水浸しだった。
C1 noun /ˈbʊzəm/

bosom

Meaning
the human chest, especially a woman’s breast; also used metaphorically to refer to closeness or intimacy
Example
She kept the secret close to her bosom.
彼女は秘密を胸にしまっておいた。
C1 /skwɒt/

squat

しゃがむ
Meaning
to crouch or sit with knees bent and body close to the ground
Example
He squatted down to tie his shoes.
彼は靴を結ぶためにしゃがんだ。
C1 verb /ˈræʃənəlaɪz/

rationalize

合理化する
Meaning
to attempt to explain or justify behavior or decisions with logical reasons, even if they are not true or appropriate
Example
She tried to rationalize her lateness by blaming the traffic.
彼女は交通渋滞を責めて、遅刻を合理化しようとした。
C1 verb /ˈmæd.ən/

madden

怒らせる
Meaning
To make someone very angry or extremely annoyed.
Example
The constant noise maddened him.
絶え間ない音が彼を怒らせた。
C1 noun /ˈmiːknəs/

Meekness

謙遜
Meaning
The quality of being quiet, gentle, and submissive
Example
His meekness was often mistaken for weakness by his colleagues.
彼の謙遜はしばしば同僚に弱さだと誤解された。
C1 adjective /ˌser.ɪˈmoʊ.ni.əl/

Ceremonial

儀式的
Meaning
relating to or used in ceremonies; formal and ritualistic
Example
The ceremonial dress was worn during the royal wedding.
王室の結婚式で着用される儀式的な衣装でした。
C1 noun /ˌvaɪ.əˈbɪl.ə.ti/

viability

実現可能性
Meaning
Ability to work successfully; feasibility.
Example
The viability of the project depends on funding.
プロジェクトの実現可能性は資金に依存しています。
C1 adjective /ˈdɪzməl/

Dismal

陰気な; 落ち込んだ; 悲しい
Meaning
gloomy; depressing; causing sadness or despair
Example
The weather was dismal with heavy rain and dark clouds.
天気は雨と暗い雲で陰気でした。
C1 noun/verb kənˈdʒɛk.tʃər

conjecture

推測
Meaning
An opinion or conclusion formed on the basis of incomplete information; to form an opinion or supposition about something.
Example
The scientist's conjecture was later proven true.
科学者の推測は後に正しいことが証明された。
C1 adjective /ɪmˈpʌlsɪv/

impulsive

衝動的な, 直感的な
Meaning
acting suddenly without careful thought
Example
She made an impulsive decision to buy the car.
彼女は衝動的な決定で車を買うことにしました。
C1 noun /ˈɛksədəs/

exodus

出エジプト
Meaning
A mass departure of people from a place.
Example
There was a sudden exodus of workers after the strike began.
ストライキが始まった後、労働者たちは突然出エジプトした。
C1 noun /ˌdɛsɪˈmeɪʃən/

decimation

壊滅
Meaning
The act of destroying or killing a large proportion of something.
Example
The decimation of the city left thousands homeless.
都市の壊滅により、何千人もの人々が家を失った。
C1 noun /ˈmaɪlɪdʒ/

mileage

燃費
Meaning
The distance traveled in miles, or the fuel efficiency of a vehicle.
Example
This car gives excellent mileage on highways.
この車は高速道路で優れた燃費を提供します。
C1 verb /səbˈstænʃieɪt/

substantiate

立証する
Meaning
To provide evidence to support or prove the truth of something.
Example
The lawyer worked to substantiate the claims with solid evidence.
弁護士は確かな証拠でその主張を立証しようとしました。
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 adjective ɪˌɡæl.ɪˈteə.ri.ən

egalitarian

平等主義者
Meaning
Believing in or based on the principle that all people are equal and deserve equal rights and opportunities.
Example
The new law promotes an egalitarian society.
新しい法律は平等主義の社会を促進します。
C1 adjective /ˌtaɪpəˈɡræfɪkəl/

typographical

印刷ミス
Meaning
relating to the style, arrangement, or appearance of printed text
Example
There was a typographical error in the book.
本に印刷ミスがありました。
C1 verb ˈflʌk.tʃu.eɪt

fluctuate

変動する
Meaning
To regularly increase or decrease.
Example
Stock prices fluctuate due to market conditions.
株価は市場の状況によって変動します。
C1 adjective /tænˈdʒɛnʃəl/

tangential

接線の
Meaning
relating to or along a tangent; slightly or indirectly related to something
Example
His remarks were tangential to the main topic of discussion.
彼のコメントは議論の主要なトピックには関連していなかった。
C1 noun/verb /tæk/

tack

Meaning
a small sharp nail; or to change direction in sailing or approach something differently
Example
She used a tack to pin the paper on the wall.
C1 noun /ˈlɪmboʊ/

limbo

不確実性、保留状態
Meaning
A state of uncertainty or neglect; an intermediate or transitional state.
Example
The project was left in limbo after the funding was withdrawn.
資金が撤回された後、プロジェクトは不確実性に置かれました。
C1 verb /dɪˈfeɪs/

deface

傷つける
Meaning
to spoil the surface or appearance of something, especially by writing or drawing on it
Example
The vandals defaced the wall with graffiti.
ヴァンダルたちはグラフィティで壁を傷つけました。
C1 noun /kəmˈpəʊ.ʒər/

composure

冷静と自己管理の状態
Meaning
The state or feeling of being calm and in control of oneself.
Example
She maintained her composure during the interview.
彼女はインタビュー中に冷静さを保ちました。
C1 noun, verb /wɪf/

whiff

Meaning
A brief, faint smell or puff of air; to get a quick smell of something.
Example
I caught a whiff of perfume as she passed by.
C1 noun /ˈtriːtɪs/

treatise

論文
Meaning
a formal and systematic written work dealing with a subject in detail
Example
He wrote a treatise on modern economic theory.
彼は現代経済理論に関する論文を書いた。
C1 adjective /ɪnˈɔːdəbl/

inaudible

聞こえない
Meaning
Unable to be heard.
Example
Her voice was almost inaudible over the noise.
その音の中で彼女の声はほとんど聞こえなかった。
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。
C1 noun /ˌæf.ɚˈmeɪ.ʃən/

affirmation

確認
Meaning
The action or process of affirming something or being affirmed; emotional support or encouragement.
Example
Daily affirmation of self-worth boosts confidence.
自己肯定の毎日の確認は自信を高めます。
C1 noun /ˈhɛzɪtənsi/

hesitancy

ためらい
Meaning
The tendency to pause or delay due to uncertainty or fear.
Example
His hesitancy in answering made everyone doubt his confidence.
彼の答えに対するためらいは、誰もが彼の自信に疑問を抱かせました。
C1 noun /ˈkɜːrnəl/

kernel

何かの中心; ナッツや種子の食べられる部分
Meaning
the central, most important part of something; the edible part of a nut or seed
Example
The kernel of the argument was about fairness.
議論の核心は公平についてでした。
C1 noun /ˈpiː.kɒk ˈflaʊ.ər/

Peacock flower

クジャクの花
Meaning
a tropical tree with bright orange and red flowers that resemble a peacock's tail
Example
The peacock flower tree blooms with stunning orange flowers in summer.
クジャクの花の木は夏に素晴らしいオレンジ色の花を咲かせます。
C1 noun /fruˈɪʃən/

fruition

実現
Meaning
The realization or fulfillment of a plan, project, or desire.
Example
Her dream of becoming a doctor finally came to fruition.
医者になるという彼女の夢はついに実現した。
C1 noun /tʃæmp/

champ

チャンピオン / 勝者
Meaning
an informal word for champion or winner.
Example
He is the new champ of the boxing tournament.
彼はボクシングトーナメントの新しいチャンピオンです。
C1 noun /səˈrɛn.ɪ.ti/

serenity

静けさ
Meaning
The state of being calm, peaceful, and untroubled.
Example
Meditation helps in achieving inner serenity.
瞑想は内面的な静けさを達成するのに役立ちます。
C1 noun, verb /strænd/

strand

糸 / 取り残された
Meaning
Noun: A single thin length of thread, wire, or similar. Verb: To leave someone or something without a way of moving or leaving.
Example
The storm stranded many tourists on the island.
嵐は多くの観光客を島に取り残しました。
C1 noun /ˈskep.tɪ.sɪ.zəm/

skepticism

懐疑主義, 疑念
Meaning
A skeptical attitude; doubt as to the truth of something.
Example
His skepticism about new technology often makes him resistant to change.
新しい技術に対する彼の懐疑主義は、彼を変化に対して抵抗力を持たせる。
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。