unsophisticated
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C1 adjective /ˌʌnsəˈfɪstɪˌkeɪtɪd/

unsophisticated

未洗練
Meaning
Lacking worldly experience, refinement, or complexity.
Example
The villagers led an unsophisticated but happy life.
村人たちは未洗練だが、幸せな生活を送っていた。
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。
C1 noun /ˈpɪnəkəl/

pinnacle

頂点
Meaning
the highest point or peak of something, especially of success or achievement
Example
Winning the Nobel Prize was the pinnacle of her career.
ノーベル賞を受賞することは彼女のキャリアのピークでした。
C1 adjective /ɪmˈprɒmp.tjuː/

impromptu

即興
Meaning
Done without being planned, organized, or rehearsed; spontaneous.
Example
He gave an impromptu speech at the event.
彼はイベントで即興のスピーチを行いました。
C1 noun /ɪmˈpɜːrtɪnəns/

impertinence

無礼
Meaning
lack of respect; rudeness
Example
The teacher was shocked by the student's impertinence.
教師は生徒の無礼さに驚いた。
C1 noun /mɔːrˈfɑːlədʒi/

morphology

形態学
Meaning
the study of the form and structure of things, especially in language and biology
Example
Morphology studies the structure of words and how they are formed.
形態学は、単語の構造とその形成方法を研究します。
C1 noun /saɪˈteɪʃən/

citation

引用
Meaning
a quotation from or reference to a book, paper, or author
Example
The research paper included a citation from Shakespeare.
研究論文にはシェイクスピアからの引用が含まれていました。
C1 verb /ˈfɪdʒɪt/

fidget

そわそわする、落ち着かない
Meaning
to make small movements, especially because of nervousness or impatience
Example
The child began to fidget during the long lecture.
子供は長い講義中に落ち着かなくなり始めました。
C1 adjective /ˈdɒdʒi/

Dodgy

疑わしい; 質が悪い; 信頼できない; 危険なまたはリスクのある
Meaning
suspicious; questionable; unreliable; risky or dangerous
Example
That deal sounds dodgy to me.
その取引は私には疑わしく聞こえます。
C1 adjective /ˈstætʃətɔːri/

statutory

法定
Meaning
Required, permitted, or enacted by law.
Example
The company must comply with all statutory regulations.
会社はすべての法定規制に従わなければならない。
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 noun /rɑk sɔlt/

Rock Salt

岩塩
Meaning
natural salt crystals formed from evaporated ancient seas; unrefined salt
Example
Rock salt is considered healthier than table salt.
岩塩はテーブルソルトよりも健康的だと考えられています。
C1 noun /ˈlɪŋɡwɪst/

linguist

言語学者
Meaning
A person skilled in foreign languages or in the scientific study of language.
Example
She is a linguist who speaks six languages fluently.
彼女は6か国語を流暢に話す言語学者です。
C1 noun /ˈmɜːrsəˌnɛri/

mercenary

傭兵
Meaning
a professional soldier hired to serve in a foreign army; also used to describe someone motivated solely by money.
Example
The mercenary fought for whoever paid the highest wage.
傭兵は最も高い給料を支払った人のために戦った。
C1 noun /ˈpiːɒn/

peon

ピオン
Meaning
a low-ranking worker, often performing menial tasks
Example
The office peon delivered the files to each department.
オフィスのピオンは各部署にファイルを届けました。
C1 adjective /ˈtɪp.tɒp/

Tiptop

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

telltale

明白な
Meaning
Revealing something that is usually hidden; giving away a secret or clue.
Example
The telltale signs of fatigue were visible on his face.
疲労の明白な兆候が彼の顔に現れていた。
C1 noun /ˈpʌndɪt/

pundit

専門家
Meaning
An expert in a particular subject or field who is frequently called upon to give opinions to the public.
Example
Political pundits debated the election results on television.
政治の専門家たちはテレビで選挙結果について議論しました。
C1 adjective /ɪˈlɒdʒ.ɪ.kəl/

Illogical

非論理的
Meaning
not reasonable or sensible; lacking logic
Example
It would be illogical to go swimming in such cold weather.
こんなに寒い天気で泳ぐのは非論理的です。
C1 noun /streɪt/

strait

海峡
Meaning
A narrow passage of water connecting two seas or two large areas of water.
Example
The Strait of Gibraltar connects the Atlantic Ocean and the Mediterranean Sea.
ジブラルタル海峡は大西洋と地中海を繋いでいます。
C1 noun /ˈɒntreɪ/ (UK), /ˈɑːntreɪ/ (US)

entree

メインディッシュ
Meaning
The main course of a meal (US); the right to enter or access (formal).
Example
The restaurant’s signature steak was served as the main entree.
レストランのサインステーキはメインディッシュとして提供されました。
C1 adjective /ˈsɪnləs/

Sinless

無罪; 無邪気; 純粋
Meaning
free from sin; pure and innocent; without moral fault
Example
The innocent child appeared sinless in her pure white dress.
無邪気な子供は純白のドレスで罪のないように見えた。
C1 noun /ˈkɒt.ən ˈfæb.rɪk/

Cotton Fabric

綿布
Meaning
textile made from cotton fibers, known for being soft, breathable, and comfortable
Example
Cotton fabric is perfect for summer clothing.
綿布は夏の衣服に最適です。
C1 noun /ˈsed.ɪ.mənt/

Sediment

堆積物
Meaning
matter that settles to the bottom of a liquid; particles deposited by water or wind
Example
The river carried sediment downstream during the flood.
川は洪水の間に堆積物を下流へ運んだ。
C1 adjective /ɪkˈsiːdɪŋ/

Exceeding

過剰な; 超越した
Meaning
going beyond; surpassing; extremely
Example
The project was completed with exceeding excellence.
プロジェクトは極めて優れた成果で完了しました。
C1 verb /əˈkleɪm/

acclaim

称賛する
Meaning
to praise enthusiastically and publicly
Example
The audience acclaimed the actor for his outstanding performance.
観客はその俳優の素晴らしい演技に喝采を送った。
C1 noun /əˈvɜːrʒən/

aversion

嫌悪
Meaning
a strong feeling of dislike or unwillingness towards something
Example
She has a strong aversion to smoking.
彼女は喫煙に強い嫌悪感を持っています。
C1 noun /təˈlɛpəθi/

telepathy

Meaning
the supposed communication of thoughts or ideas by means other than the known senses
Example
The twins claimed to share telepathy with each other.
C1 noun /trænsˈɡrɛʃən/

transgression

違反, 罪
Meaning
an act that goes against a law, rule, or code of conduct; a violation or sin
Example
The court forgave his first transgression but warned him not to repeat it.
裁判所は彼の最初の違反を許しましたが、再発を警告しました。
C1 verb ˈplʌmɪtɪŋ

plummeting

急落
Meaning
Falling or dropping suddenly and steeply; decreasing rapidly
Example
The fertility rate in Bangladesh is plummeting.
バングラデシュの出生率は急落しています。
C1 noun /ˈtrɪviə/

trivia

雑学
Meaning
Details or information that are considered unimportant or of little value.
Example
The quiz was filled with fun trivia about movies and music.
クイズは映画や音楽に関する楽しい雑学で満たされていました。
C1 adjective /ˈroʊtəri/

rotary

回転式
Meaning
Relating to or characterized by rotation; revolving around an axis.
Example
The machine uses a rotary engine to function efficiently.
その機械は効率的に動作するためにロータリーエンジンを使用しています。
C1 noun prɪˈsɪʒ.ən ˈæɡ.rɪ.kʌl.tʃər

precision agriculture

精密農業
Meaning
The technique of conducting agricultural work using advanced technology.
Example
Precision agriculture optimizes resource use and increases efficiency.
精密農業は資源の使用を最適化し、効率を向上させます。
C1 adjective /ɪnˈhɪbɪtɪd/

inhibited

抑制された
Meaning
Unable to act in a relaxed and natural way, especially due to self-consciousness or restraint.
Example
He was too inhibited to express his true feelings.
彼は自分の本当の感情を表現するにはあまりにも抑制されていた。
C1 noun /ˌɑːsɪˈleɪʃən/

oscillation

振動
Meaning
The movement back and forth at a regular speed.
Example
The oscillation of the pendulum controls the clock.
振り子の振動が時計を制御します。
C1 verb /iːk/

eke

細々と使う
Meaning
to make a small amount of something last longer by using it sparingly
Example
The family tried to eke out their savings during the tough months.
家族は困難な月々に貯金をなんとかやりくりしようとしました。
C1 adjective /ˈfjuː.dəl/

feudal

封建的
Meaning
relating to the system of feudalism, a medieval social system based on land ownership and obligations
Example
The castle is a remnant of the feudal era.
城は封建時代の遺物です。
C1 noun ˈpɛd.ə.ɡɒ.dʒi

pedagogy

教育学
Meaning
The method and practice of teaching, especially as an academic subject or theoretical concept.
Example
Modern pedagogy focuses on student-centered learning.
現代の教育学は学生中心の学習に焦点を当てています。
C1 verb ɔːɡˈmɛntɪŋ

augmenting

増加する
Meaning
Increasing; making something greater in size, number, or degree
Example
Life expectancy is augmenting with advancements in healthcare.
医療の進歩により、平均寿命は増加しています。
C1 noun /kɑːɡ/

cog

車輪や歯車の歯
Meaning
A tooth on the rim of a wheel or gear; metaphorically, a minor but necessary part of a larger system.
Example
He felt like just a small cog in a big machine.
彼は大きな機械の中で小さな歯車のように感じていた。
C1 adjective /ɔːˈdeɪ.ʃəs/

Audacious

大胆
Meaning
showing willingness to take bold risks; daring
Example
His audacious plan to climb the mountain without proper equipment shocked everyone.
彼の大胆な計画は、適切な装備なしで山を登ろうとすることで、全員を驚かせた。
C1 verb /ˈdaʊn.pleɪ/

downplay

軽視する
Meaning
to make something seem less important than it really is
Example
The company tried to downplay the risks of the new product.
会社は新しい製品のリスクを軽視しようとしました。
C1 adjective /ʌnˈɡɑː.dɪd/

Unguarded

無防備な
Meaning
not protected or defended; careless about revealing private thoughts or information
Example
In an unguarded moment, she revealed her true feelings about the project.
油断した瞬間、彼女はそのプロジェクトについての本当の気持ちを明かした。
C1 noun /ɪnˈdɪf.ər.əns/

Indifference

無関心; 無関心さ; アパシー
Meaning
lack of interest, concern, or sympathy; the state of not caring about something
Example
His indifference to his studies resulted in poor grades throughout the semester.
彼の学業に対する無関心さが、学期中ずっと悪い成績をもたらした。
C1 adjective ˈklaɪ.mət rɪˈzɪl.i.ənt

climate-resilient

気候に強い
Meaning
Able to cope with the adverse effects of climate change; sustainable and adaptable.
Example
Climate-resilient crops can survive extreme weather conditions.
気候に強い作物は極端な天候にも耐えられます。
C1 noun /ˈriːpər/

reaper

作物を刈り取り集める人または機械
Meaning
a person or machine that cuts and gathers crops
Example
The reaper moved slowly through the golden fields.
リーパーは金色の畑をゆっくりと進んでいきました。
C1 adjective /ˌʌnˈɪntɪmeɪtɪŋ/

unintimating

示唆しない
Meaning
Not giving a hint or suggestion; not indicating.
Example
His unintimating tone gave no clue of his true feelings.
彼の示唆しない口調は彼の本当の気持ちを示すものではありませんでした。
C1 noun /juːnəˈnɪməti/

Unanimity

全会一致
Meaning
complete agreement among all members of a group
Example
The committee reached unanimity on the new policy.
委員会は新しい方針について全会一致に達しました。
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。
C1 noun ˌhaɪ.pɚˈten.ʃən

hypertension

高血圧
Meaning
Abnormally high blood pressure.
Example
High sodium intake leads to hypertension.
高ナトリウム摂取は高血圧を引き起こします。
C1 noun /məˈræŋ/

meringue

メレンゲ (デザートトッピング)
Meaning
A light dessert topping made from whipped egg whites and sugar.
Example
She decorated the pie with a fluffy meringue topping.
彼女はパイにふわふわのメレンゲを飾った。
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 noun /ˌpɒl.iˈtek.nɪk/

polytechnic

ポリテクニック
Meaning
an educational institution offering practical and technical courses
Example
She studied engineering at a well-known polytechnic in her city.
彼女は自分の街の有名なポリテクニックで工学を学んだ。
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 verb /əˈseɪl/

assail

攻撃する
Meaning
to attack violently, either physically or with words
Example
The politician was assailed with difficult questions.
政治家は難しい質問で攻撃された。
C1 verb /ˈhjuːmənaɪz/

humanize

人間化する
Meaning
To make something more humane, kind, or relatable.
Example
The teacher tried to humanize the lesson with personal stories.
教師は個人的な物語を使ってレッスンを人間化しようとしました。
C1 adjective /ʌnˈsɪvəl/

Uncivil

無礼な; 不作法な;
Meaning
not polite or courteous; rude and discourteous in behavior
Example
His uncivil remarks during the meeting offended everyone present.
会議中の彼の無礼な発言は、出席者全員を不快にさせた。
C1 verb /dəˈmɛstɪkeɪt/

domesticate

家畜化する
Meaning
to tame an animal for use by humans; to adapt something for domestic use
Example
Humans domesticated dogs thousands of years ago.
人間は数千年前に犬を家畜化しました。
C1 noun /ˈmʌs.tərd siːdz/

Mustard seeds

マスタードシード
Meaning
small round seeds from the mustard plant, used as a spice and for making mustard condiment
Example
Mustard seeds are often tempered in hot oil to release their nutty flavor before adding to dishes.
マスタードシードは、料理に加える前に、そのナッツのような風味を引き出すために熱い油で炒められることがよくあります。
C1 adjective /ˈhɑːrdi/

hardy

頑丈, 強健
Meaning
Strong, robust, and capable of enduring difficult conditions.
Example
Hardy plants can survive the harsh winter.
頑丈な植物は厳しい冬を生き抜くことができます。
C1 noun /ɪˈmiːdiəsi/

immediacy

即時性, 緊迫感
Meaning
The quality of bringing one into direct and instant involvement with something, giving rise to a sense of urgency or excitement.
Example
The immediacy of digital communication has reshaped business operations.
デジタルコミュニケーションの即時性は、ビジネスの運営方法を変えました。
C1 noun/verb /ˈbæntər/

banter

冗談
Meaning
playful and friendly exchange of teasing remarks
Example
The colleagues enjoyed some light banter during the meeting.
同僚たちは会議中に軽いバンターを楽しんだ。
C1 noun /ˈfæs.ɪt/

facet

側面, 部分, 特徴
Meaning
One of the many aspects or features of something; a particular part or element of something.
Example
Every facet of the project was carefully analyzed.
プロジェクトの各側面は慎重に分析されました。
C1 noun /ˈtem.pɚ.əns/

temperance

節制
Meaning
Moderation in action, thought, or feeling; restraint.
Example
Temperance is essential for a balanced life.
節制はバランスの取れた生活には欠かせません。
C1 verb /ˈpɒstʃʊleɪt/

postulate

仮定する
Meaning
to suggest or assume that something is true as the basis for reasoning or discussion
Example
Scientists postulate that life exists on other planets.
科学者たちは他の惑星に生命が存在すると仮定しています。
C1 adjective /aɪˈdɪlɪk/

idyllic

田園詩のように美しい
Meaning
Like an idyll; extremely happy, peaceful, or picturesque.
Example
They enjoyed an idyllic vacation by the sea.
彼らは海辺で田園詩のような休暇を楽しみました。
C1 adjective /prɪˈzʌmp.tʃu.əs/

presumptuous

生意気な
Meaning
Overconfident, rude, or taking liberties without permission.
Example
It was presumptuous of him to make that decision without consulting others.
他が他の人と相談せずにその決定を下したのは生意気だった。
C1 adjective /ˈbær.ən/

Barren

不毛の; 荒涼とした; 生産性がない; 不生産的
Meaning
sterile; unable to produce; desolate; unproductive
Example
The barren desert stretched for miles without any vegetation.
荒れ果てた砂漠は何マイルも広がり、植物は一切なかった。
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 noun /ˈprɛsɪdəns/ or /prɪˈsiːdəns/

precedence

優先
Meaning
the condition of being considered more important than someone or something else; priority
Example
Safety takes precedence over speed in this factory.
この工場では、安全が速度より優先されます。
C1 adjective /ˈtɛsti/

testy

イライラした
Meaning
Easily irritated or annoyed.
Example
He became testy when asked the same question repeatedly.
同じ質問を繰り返し聞かれると、彼はイライラしてきた。
C1 adverb /ˈnɔːθwədz/

Northwards

北へ
Meaning
towards the north; in a northerly direction
Example
The birds migrate northwards in spring.
鳥たちは春に北へ移動します。
C1 noun /ˈrɛspɪt/

respite

休息
Meaning
A short period of rest or relief from something difficult or unpleasant.
Example
The weekend provided a welcome respite from work.
週末は仕事からの歓迎される休息を提供しました。
C1 adjective /ˈtæntəmaʊnt/

tantamount

同等
Meaning
Equivalent in seriousness or effect; virtually the same as.
Example
His refusal to speak was tantamount to an admission of guilt.
彼の話さないことは罪を認めることと同等だった。
C1 noun ˌɪnˈsaɪtfʊlnɪs

insightfulness

洞察力、分析能力
Meaning
The capacity to gain an accurate and deep intuitive understanding of a person or thing.
Example
His insightfulness helped solve the complex problem.
彼の洞察力は複雑な問題を解決するのに役立ちました。
C1 noun /ˈnjuːɑːns/

nuance

ニュアンス
Meaning
A subtle difference in shade of meaning, appearance, or sound.
Example
He noticed the subtle nuance in her expression.
彼は彼女の表情に微妙なニュアンスに気づきました。
C1 noun /ˈrɛl.ɪk/

relic

遺物
Meaning
an object surviving from an earlier time, often of historical or religious interest
Example
The museum displayed relics from the ancient civilization.
博物館には古代文明の遺物が展示されていました。
C1 noun /buːn/

boon

恩恵
Meaning
A thing that is helpful or beneficial.
Example
The internet is a boon to modern education.
インターネットは現代教育にとって恩恵です。
C1 noun /luːm/

Loom

織機
Meaning
a machine for weaving cloth; to appear threatening or menacing
Example
The weaver worked at the loom to create beautiful fabrics.
織工は美しい布地を作るために機織り機で働いていました。
C1 verb /nɪp/

nip

軽くつねる
Meaning
to pinch or bite lightly; to move quickly
Example
The cold wind nipped at my face.
冷たい風が私の顔を軽くつねった。
C1 noun /ˈjuːnɪsən/

unison

ユニゾン
Meaning
Simultaneous performance or utterance of action or speech.
Example
The choir sang in unison.
合唱団はユニゾンで歌いました。
C1 noun /ˈʃɜːrbət/

sherbet

シャーベット
Meaning
a sweet flavored drink or a frozen dessert made from sweetened fruit juice
Example
On hot days, she enjoys a glass of lemon sherbet.
暑い日には、彼女はレモンシャーベットを一杯楽しんでいます。
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 verb /pərˈtɜːrb/

perturb

動揺させる
Meaning
To disturb or unsettle greatly in mind.
Example
The sudden noise perturbed the students during the exam.
突然の音が試験中に学生を動揺させました。
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。
C1 noun /juːˈfɔː.ri.ə/

euphoria

ユーフォリア, 陶酔, 高揚感
Meaning
A feeling or state of intense excitement and happiness; elation.
Example
Winning the championship brought a sense of euphoria.
チャンピオンシップを勝ち取ったことで、ユーフォリアを感じた。
C1 noun /kwæk/

Quack

偽医者
Meaning
a person who pretends to be a doctor but has no medical training; the sound a duck makes
Example
People should be careful not to trust medical advice from a quack.
人々はクアックからの医療アドバイスを信じないように注意すべきです。
C1 noun /fruːˈɡæl.ə.ti/

frugality

倹約
Meaning
The quality of being economical in use or expenditure; not wasteful.
Example
Frugality is essential for saving money effectively.
倹約はお金を効果的に節約するために不可欠です。
C1 adjective /tɛmˈpɛstjuəs/

tempestuous

Meaning
Characterized by strong and turbulent emotions or stormy conditions.
Example
Their tempestuous relationship often swung between love and anger.
C1 noun /ˈnep.ə.tɪz.əm/

Nepotism

縁故主義
Meaning
the practice of favoring relatives or friends in business or politics
Example
The company was accused of nepotism in its hiring practices.
その会社は採用活動においてネポティズムを行っていると非難された。
C1 verb /pɛk/

Peck

ついばむ
Meaning
To strike or bite something with a beak; to eat in small bites.
Example
The hen began to peck at the grains scattered on the ground.
その雌鳥は地面に散らばった穀物をついばみ始めました。
C1 noun /ˌɒbstəˈtrɪʃən/

obstetrician

産科医
Meaning
A doctor specializing in pregnancy, childbirth, and women's reproductive health.
Example
The obstetrician monitored the mother’s health throughout the pregnancy.
産科医は妊娠中の母親の健康を監視しました。
C1 adjective /juːˈbɪkwɪtəs/

ubiquitous

普遍的
Meaning
Existing or being everywhere at the same time.
Example
Social media has become ubiquitous among young people.
ソーシャルメディアは若者の間で普及しています。
C1 verb /dɪˈzɪst/

desist

Meaning
to stop doing something, especially an action considered wrong or undesirable
Example
The judge ordered the company to desist from unfair practices.
C1 adjective /ɪkˈstɛnjueɪtɪŋ/

extenuating

軽減する
Meaning
serving to make a fault or an offense seem less serious
Example
She asked for leniency due to extenuating circumstances.
彼女は軽減する状況のために寛容を求めました。
C1 noun /ˌprɒk.ləˈmeɪ.ʃən/

Proclamation

布告
Meaning
an official public announcement, especially one made by someone in authority
Example
The king issued a proclamation declaring peace.
王は平和を宣言する布告を出した。
C1 noun /ˈstaɪləs/

stylus

スタイラス
Meaning
a small tool used for writing, drawing, or touching screens
Example
She used a stylus to draw on her tablet.
彼女はタブレットで絵を描くためにスタイラスを使用しました。
C1 verb /rɪˈkɔɪl/

recoil

後退する
Meaning
To suddenly spring back in fear, horror, or from force such as a gun's kickback.
Example
She recoiled at the sight of the snake.
彼女はヘビを見て後退した。
C1 noun /ˈfɔːrˌθɔːt/

forethought

先見の明
Meaning
careful consideration of what will be necessary or may happen in the future
Example
With a little forethought, we could have avoided the problem.
少しの先見の明で、この問題を避けることができたかもしれません。
C1 noun /ˈdaʊri/

dowry

持参金
Meaning
Property or money brought by a bride to her husband at marriage.
Example
The dowry tradition is still followed in some cultures.
いくつかの文化では、持参金の伝統が今でも守られています。
C1 adjective /əˈkɪn/

akin

類似した
Meaning
Of similar character or related by blood.
Example
His reaction was akin to shock.
彼の反応はショックに似ていた。
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 rɪsk-ədˈʤɛstɪd

risk-adjusted

リスク調整済み
Meaning
Modified or calibrated to account for risk factors in investment returns.
Example
Risk-adjusted returns consider both potential profit and loss.
リスク調整後のリターンは、潜在的な利益と損失の両方を考慮します。
C1 noun /ɪˈleɪʃən/

elation

興奮
Meaning
A feeling of great happiness and excitement.
Example
His elation was evident after winning the championship.
彼の興奮はチャンピオンシップに勝った後、明らかだった。
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 /ˈnjʊə.rəʊ.trænsˌmɪt.ərs/

neurotransmitters

神経伝達物質
Meaning
Chemical messengers that transmit signals across nerve synapses, affecting mood, behavior, and cognitive functions.
Example
Serotonin and dopamine are key neurotransmitters affecting mood.
セロトニンとドーパミンは気分に影響を与える主要な神経伝達物質です。
C1 adjective /ˈpɔːrəs/

porous

多孔性の
Meaning
Having tiny holes that allow liquid or air to pass through.
Example
The soil is very porous and drains quickly.
土壌は非常に多孔性で、すぐに水を排出します。
C1 noun /rɪˈdʒɔɪsɪŋ/

rejoicing

喜び
Meaning
The action of showing great joy or happiness
Example
There was much rejoicing after the victory.
勝利後、多くの喜びがありました。
C1 noun /ˌmæn.ɪ.fɛsˈteɪ.ʃən/

manifestation

表現
Meaning
A visible form or expression of an idea, concept, or feeling; the action of displaying or showing.
Example
His generosity was a manifestation of his kind nature.
彼の寛大さは彼の親切な性格の表現でした。
C1 adjective /ˈruːfəl/

rueful

後悔した
Meaning
Expressing sorrow, regret, or pity.
Example
He gave a rueful smile after losing the match.
試合に負けた後、彼は後悔の笑顔を見せた。
C1 adjective /ˈdʒɑː.rɪŋ/

jarring

耳障りな、衝撃的な
Meaning
Striking or shocking in a way that creates a strong contrast or clash.
Example
The sudden loud noise was jarring to everyone in the room.
突然の大きな音は部屋の中の皆に衝撃を与えました。
C1 adverb /ˌɪn.ədˈvɜːr.tənt.li/

Inadvertently

うっかり; ついうっかり; 誤って
Meaning
without being aware of what you are doing; unintentionally; by mistake
Example
She inadvertently deleted the important file while cleaning her computer.
彼女はコンピュータを掃除しているとき、重要なファイルをうっかり削除してしまった。
C1 noun /ˌloʊ.kəˈmoʊ.tɪv/

locomotive

機関車
Meaning
A powered rail vehicle used for pulling trains.
Example
The old steam locomotive was restored for the museum.
古い蒸気機関車は博物館のために修復されました。
C1 noun ˈrez.ɪ.djuː

residue

残留物
Meaning
A small amount of something that remains after the main part has gone or been removed.
Example
Soap residue affects appliance efficiency.
石鹸の残りが機器の効率に影響を与えます。
C1 noun /ˌkɔːriˈɒɡrəfi/

choreography

振付
Meaning
The art of designing and arranging dances and movements.
Example
The choreography of the ballet was breathtaking.
バレエの振付は息を呑むほど素晴らしかった。
C1 adjective /ˌɪndɪˈskriːt/

indiscreet

軽率
Meaning
Not careful in what one says or does, likely to reveal secrets or offend.
Example
It was indiscreet of him to mention the plan in public.
公衆の面前で計画について言及するのは軽率だった。
C1 noun /dɪˌsem.ɪˈneɪ.ʃən/

dissemination

拡散
Meaning
The action or fact of spreading something, especially information, widely.
Example
The dissemination of false information is a major issue.
偽の情報の拡散は大きな問題です。
C1 noun /stɪnt/

stint

短期の仕事
Meaning
a period of time spent doing a particular job or activity
Example
She did a short stint as a teacher before moving abroad.
彼女は海外に移住する前に短期間の教師として働きました。
C1 noun ˌmɛməraɪˈzeɪʃən

memorization

暗記
Meaning
The process of learning or committing something to memory
Example
Memorization of important information is crucial for exams.
重要な情報の暗記は試験において重要です。
C1 verb /ˌdɪskənˈsɜːrt/

disconcert

動揺させる
Meaning
To unsettle, confuse, or disturb the composure of someone.
Example
The sudden change of plans disconcerted the team.
突然の計画変更がチームを混乱させた。
C1 noun /kæsˈkeɪd/

Cascade

滝; 一連の段階や操作
Meaning
a waterfall; a succession of stages or operations
Example
The mountain cascade created a beautiful natural swimming pool below.
山の滝は下に美しい自然のスイミングプールを作りました。