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C1 verb /əˈbaʊnd/

abound

豊富にある
Meaning
To exist in large numbers or amounts.
Example
Opportunities abound in the field of technology.
テクノロジーの分野では機会が豊富にあります。
C1 adjective /pərˈsɛptɪv/

perceptive

幸せ
Meaning
Having or showing keen insight, understanding, or awareness.
Example
She is very perceptive and quickly notices when something is wrong.
彼女は賞を受け取ったとき、自分の幸せを隠せなかった。
C1 verb /ɛtʃ/

etch

刻む
Meaning
to cut or carve a design onto a surface
Example
The artist etched her initials into the glass.
アーティストはガラスに自分のイニシャルを刻みました。
C1 noun /kənˈstɪtʃuənsi/

constituency

選挙区
Meaning
A geographical area whose residents elect a representative to a legislative body.
Example
She campaigned tirelessly across her constituency.
彼女は選挙区で疲れ知らずに選挙運動を行いました。
C1 noun /ˈkæn.ɪ.bəl/

Cannibal

人食い
Meaning
a person who eats the flesh of other human beings
Example
The explorer's journal described rumors of cannibals living on the remote island.
探検家の日記には、遠くの島で人食いが生きているという噂が書かれていました。
C1 verb /prəˈkræs.tɪ.neɪt/

procrastinate

先延ばしする, 延期する
Meaning
To delay or postpone action; to put off doing something, especially out of habitual carelessness or laziness.
Example
He tends to procrastinate when facing difficult tasks.
彼は困難な仕事に直面したとき、先延ばしにしがちです。
C1 noun /truːp/

troupe

劇団
Meaning
A group of dancers, actors, or performers who work together.
Example
The theater troupe performed brilliantly on stage.
劇団はステージで素晴らしいパフォーマンスをしました。
C1 verb /ˈɛnərˌdʒaɪz/

energize

活性化する
Meaning
To give energy or vitality to something or someone.
Example
The motivational speech helped energize the team.
モチベーションスピーチはチームを活性化するのに役立ちました。
C1 adjective sɪˈmæn.tɪk

semantic

言語における意味に関連する
Meaning
Related to meaning in language; concerning the interpretation of words and sentences.
Example
AI models use semantic analysis to understand context.
AIモデルはコンテキストを理解するためにセマンティック分析を使用します。
C1 verb /ɛmˈbɛzəl/

embezzle

Meaning
to steal or misuse money or property entrusted to one's care
Example
The accountant was arrested for embezzling company funds.
C1 verb /ɪmˈpɑːrt/

impart

伝える
Meaning
to make information known; to bestow or communicate
Example
The teacher imparted valuable knowledge to her students.
教師は生徒に貴重な知識を授けました。
C1 verb /hjuːˈmɪlieɪt/

humiliate

侮辱する
Meaning
to make someone feel ashamed or foolish by injuring their dignity
Example
He was humiliated by his public failure.
彼は公の失敗で侮辱された。
C1 noun /ˌfəʊtəʊˈsɪnθɛtɪk ɪˈfɪʃənsi/

photosynthetic efficiency

光合成効率
Meaning
The measure of how effectively plants convert light energy into chemical energy through the process of photosynthesis, directly affecting plant growth and crop yield.
Example
Improving photosynthetic efficiency can increase crop yields.
光合成効率を改善すると、作物の収量を増やすことができます。
C1 noun /ænˈtɪθəsɪs/

antithesis

アンチテーゼ
Meaning
A person, thing, or idea that is the direct opposite of another; a rhetorical device contrasting opposing ideas in parallel structure.
Example
Love is the antithesis of hate.
愛は憎しみのアンチテーゼです。
C1 noun /ˈtrɛtʃəri/

treachery

裏切り
Meaning
Betrayal of trust; deceptive action or nature.
Example
His treachery was revealed when he sided with the enemy.
彼の裏切りは、敵側についていることが明らかになった時に明らかになった。
C1 adverb /ˈhed ɑn/

Head-on

正面衝突
Meaning
directly facing; in direct confrontation or collision
Example
The two cars collided head-on at the intersection.
二台の車は交差点で正面衝突しました。
C1 noun /ræˈpɔːr/

rapport

関係
Meaning
A close and harmonious relationship in which the people or groups concerned understand each other's feelings or ideas.
Example
The teacher built a strong rapport with her students.
教師は生徒と強い関係を築いた。
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 noun /hɪˈpɑː.krə.si/

Hypocrisy

偽善
Meaning
the practice of claiming to have moral standards that one does not actually possess; insincerity
Example
His hypocrisy was exposed when he criticized others for the same mistakes he had made.
彼が自分の犯した同じ過ちを他人を非難したとき、偽善が露呈した。
C1 noun /ˈæntənɪm/

antonym

反意語
Meaning
A word opposite in meaning to another.
Example
‘Hot’ is the antonym of ‘cold’.
‘Hot’ は ‘cold’ の反意語です。
C1 noun /ˈfɔː.nə/

fauna

特定の地域の動物の生命
Meaning
The animal life of a particular region, habitat, or geological period.
Example
The fauna of the African savannah includes lions and elephants.
アフリカのサバンナの動物はライオンと象を含みます。
C1 adjective /ɪnˈɛlɪdʒəbəl/

Ineligible

不適格; 無資格; 選ばれない
Meaning
not qualified or entitled to participate or be chosen; unsuitable
Example
Students with poor grades are ineligible for the scholarship program.
成績が悪い学生は奨学金プログラムに応募できません。
C1 noun /ˈlɔː.ləs.nəs/

Lawlessness

無法状態
Meaning
absence of law and order; a state where laws do not exist or are not enforced
Example
The city descended into lawlessness after the government collapsed.
政府の崩壊後、都市は無法状態に陥った。
C1 adjective /θiːˈmætɪk/

thematic

テーマ的
Meaning
Relating to or based on a theme.
Example
The book is organized into thematic chapters.
その本はテーマごとに章が整理されています。
C1 adjective /ɪˌlɪzəˈbiːθən/

elizabethan

エリザベス朝時代
Meaning
Relating to the reign of Queen Elizabeth I of England (1558–1603), especially the style of that period.
Example
Shakespeare wrote many of his plays during the Elizabethan era.
シェイクスピアはエリザベス朝時代に多くの戯曲を書きました。
C1 verb /dʒəʊlt/

jolt

衝撃
Meaning
to push or shake someone or something abruptly and roughly
Example
The sudden stop jolted all the passengers forward.
突然の停止で、すべての乗客が前方に押し出されました。
C1 noun /noʊˈbɪl.ə.ti/

Nobility

高貴さ; 高い階級
Meaning
the quality of being noble in character; people of noble rank
Example
He showed great nobility in forgiving his enemies.
彼は敵を許すことで大きな高貴さを示しました。
C1 verb /kəˈleɪt/

collate

整理する
Meaning
to collect, arrange, and combine in order
Example
The secretary collated the reports before the meeting.
秘書は会議前に報告書を整理した。
C1 noun /səˈlɛmnɪti/

solemnity

厳粛
Meaning
the state or quality of being serious and dignified
Example
The ceremony was conducted with great solemnity.
式典は厳粛な雰囲気の中で行われました。
C1 adjective /ɔːˈneɪt/

ornate

華やかな
Meaning
elaborately or highly decorated
Example
The palace hall was filled with ornate furniture and paintings.
宮殿のホールは華やかな家具と絵画でいっぱいだった。
C1 exclamation /juˈriːkə/

eureka

ユーレカ!
Meaning
An exclamation used to express a sudden discovery or realization.
Example
When the solution finally came to him, he shouted, 'Eureka!'
解決策がついに彼に浮かんだとき、彼は叫んだ。 'ユーレカ!'
C1 verb /daɪˈvɛst/

divest

Meaning
to strip away possessions, rights, or assets; to rid oneself of
Example
The company decided to divest its unprofitable division.
C1 adjective /ʌnˈhoʊli/

Unholy

不浄な; 邪悪な; 不敬な
Meaning
wicked; sinful; profane
Example
The unholy alliance between the two companies caused public outrage.
その二つの会社の間の不浄な提携は、公共の怒りを引き起こしました。
C1 noun /oʊˈeɪ.sɪs/

Oasis

オアシス
Meaning
a fertile spot in a desert where water is found; a pleasant refuge
Example
The travelers found an oasis after days in the desert.
旅行者たちは砂漠で数日後にオアシスを見つけました。
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 /ˈɛdɪfɪs/

edifice

建物
Meaning
A large, impressive building or structure.
Example
The museum is an impressive edifice in the city center.
その博物館は市内中心部の印象的な建物です。
C1 adjective /ˈvɪrjʊlənt/

virulent

非常に有害
Meaning
Extremely severe or harmful in its effects.
Example
The virulent disease spread rapidly across the region.
そのウイルス性の病気は地域全体に急速に広がりました。
C1 noun /ˌpænəˈsiːə/

panacea

万能薬
Meaning
A solution or remedy for all difficulties or diseases.
Example
Education is often seen as a panacea for social problems.
教育は社会問題の万能薬と見なされることがよくあります。
C1 verb /ˈstaɪfəld/

stifled

抑える
Meaning
to suppress, hold back, or prevent something from happening
Example
He stifled a laugh during the serious meeting.
彼は真面目な会議中に笑いを抑えた。
C1 noun /ɡʌst/

Gust

突然の強風
Meaning
a sudden strong rush of wind; a sudden burst or outburst of feeling
Example
A powerful gust of wind knocked over the outdoor umbrellas at the cafe.
強い風がカフェの外のパラソルを倒しました。
C1 verb /ɪmˈpiːtʃ/

impeach

Meaning
To charge a public official with misconduct while in office.
Example
The parliament voted to impeach the president.
C1 adjective /ˈfɪs.kəl/

fiscal

財政の
Meaning
Relating to government revenue, especially taxes, or public money management.
Example
The government introduced new fiscal policies to control inflation.
政府はインフレを抑制するために新しい財政政策を導入しました。
C1 verb /ˈfɔːrfɪt/

forfeit

Meaning
to lose or give up something, usually as a penalty for wrongdoing
Example
He had to forfeit the match after breaking the rules.
C1 noun /doʊ/

doe

雌鹿
Meaning
a female deer, especially an adult one
Example
The doe and her fawn were grazing in the meadow.
雌鹿とその子鹿は草原で草を食べていました。
C1 adjective dɒɡˈmæt.ɪk

dogmatic

教条的
Meaning
Being inclined to lay down principles as incontrovertibly true; characterized by arrogant assertion of unproven principles.
Example
His dogmatic approach to politics made discussions difficult.
彼の教条的なアプローチは、議論を難しくしました。
C1 verb /ˈfrɒlɪk/

frolic

楽しげに遊ぶ
Meaning
to play and move about cheerfully, energetically, or playfully
Example
The children frolicked in the garden all afternoon.
子供たちは午後中庭で楽しげに遊んでいました。
C1 noun /ˈrʌfiən/

Ruffian

暴力的な人物; 不良;
Meaning
a violent person, especially one involved in crime; a brutal or lawless person
Example
The ruffian threatened the shopkeeper for money.
不良は店主を金のために脅した。
C1 noun /ˈprɒk.tər/

proctor

試験監督者
Meaning
a person who supervises students during an examination
Example
The proctor reminded students to keep their phones switched off.
試験監督者は学生に携帯電話を切るように注意しました。
C1 noun /ˈpɪt.əns/

pittance

わずかな額
Meaning
a very small or inadequate amount of money
Example
She worked long hours for a mere pittance.
彼女はわずかな額のために長時間働いた。
C1 adjective /ˌɒbsəˈliːt/

obsolete

時代遅れ
Meaning
No longer in use or out of date.
Example
Floppy disks are now completely obsolete.
フロッピーディスクは現在完全に時代遅れです。
C1 verb /ˈænɪmeɪt/

animate

アニメーションする
Meaning
to bring to life or make lively; to create animation for films or cartoons
Example
The artist will animate the characters for the movie.
アーティストは映画のキャラクターをアニメートします。
C1 noun/verb /rɪˈpriːv/

reprieve

Meaning
A temporary relief or delay from something unpleasant; to postpone or cancel punishment.
Example
The prisoner was granted a last-minute reprieve from execution.
C1 noun /ʌpˈhiːvəl/

upheaval

激変
Meaning
a violent or sudden change or disruption to something
Example
The company faced a major upheaval after the sudden resignation of its CEO.
その会社は、CEOの突然の辞任後、大きな激変を経験しました。
C1 verb /ˈdʒʌk.stə.poʊz/

juxtapose

異なる二つの物を並べて置く
Meaning
To place two different things close together to show how they are different or similar.
Example
The artist juxtaposed traditional and modern elements in his painting.
アーティストは彼の絵画で伝統的と現代的な要素を並べて置きました。
C1 adjective /ʌnˈkɛmpt/

unkempt

だらしない
Meaning
Having an untidy or disheveled appearance.
Example
He looked unkempt after sleeping outdoors all night.
彼は一晩外で寝た後、だらしなく見えた。
C1 noun /ˈmoʊldɪŋ/

molding

装飾モールディング
Meaning
A decorative strip or design, often used on walls, ceilings, or furniture.
Example
The wooden molding gave the room a classic look.
木製のモールディングが部屋にクラシックな印象を与えました。
C1 noun /ˌdʒuː.bɪˈleɪ.ʃən/

jubilation

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

aborigines

アボリジニ
Meaning
The original inhabitants of a land, especially in Australia.
Example
The aborigines have preserved their traditions for thousands of years.
アボリジニーズは何千年もの間、彼らの伝統を守り続けてきました。
C1 noun /kənˈsɜːvəˌtɪzəm/

conservatism

保守主義
Meaning
A political or social philosophy promoting traditional institutions and resistance to change.
Example
Conservatism values tradition and gradual development.
保守主義は伝統と徐々に進行する発展を重視します。
C1 noun ˈæŋkərɪdʒ

anchorage

停泊地
Meaning
A secure holding place; a place where ships can anchor safely.
Example
The boat was anchored near the shore for safety.
ボートは安全のために岸辺に停泊されました。
C1 noun /rɪˈmɪʃən/

remission

Meaning
A temporary or permanent decrease or disappearance of disease symptoms; forgiveness of sins or debts.
Example
The patient’s cancer is in remission after the treatment.
C1 adjective /ʌnˈvɔɪst/

unvoiced

未表現
Meaning
not expressed in speech; in phonetics, a sound produced without vocal cord vibration
Example
The student kept her opinion unvoiced during the meeting.
学生は会議中に自分の意見を未表現のままにしておいた。
C1 adjective /ˈkæl.əs/

Callous

無情な; 冷酷な; 非情な
Meaning
showing or having an insensitive and cruel disregard for others; emotionally hardened
Example
He showed a callous disregard for others' feelings.
彼は他人の感情を無視して冷酷に振る舞った。
C1 noun /ˌɪnkəmˌpætəˈbɪlɪti/

incompatibility

非互換性
Meaning
the state of being unable to exist or work together harmoniously; lack of compatibility
Example
The project failed because of incompatibility between the two software systems.
2つのソフトウェアシステムの非互換性のため、そのプロジェクトは失敗した。
C1 verb məˈnɒp.ə.laɪz

monopolize

独占する
Meaning
Control exclusively, dominate market.
Example
The company tried to monopolize the market.
その会社は市場を独占しようとした。
C1 adjective /tjuːˈmʌltʃuəs/

tumultuous

動揺
Meaning
Characterized by disorder, noisy excitement, or emotional agitation.
Example
They had a tumultuous relationship full of ups and downs.
彼らは浮き沈みのある激動の関係を持っていました。
C1 verb /ˌkɒntrəˈviːn/

contravene

違反する
Meaning
to go against or act in opposition to a law, rule, or agreement
Example
He contravened the safety regulations and was fined.
彼は安全規則に反したため、罰金を科せられました。
C1 adjective ɪˌlektrəʊmæɡˈnetɪk

electromagnetic

電磁的
Meaning
Relating to both electricity and magnetism or their interaction.
Example
Electromagnetic forces repel protons.
電磁力は陽子を反発させる。
C1 noun /ˈmætɪneɪ/

matinee

午後の公演
Meaning
A performance, especially a play or movie, that takes place in the afternoon.
Example
We bought tickets for the Sunday afternoon matinee.
私たちは日曜日の午後の公演のチケットを買いました。
C1 adjective /ˌpæn.əˈræm.ɪk/

panoramic

パノラマビュー
Meaning
Giving a wide view of an extensive area in all directions.
Example
The hotel offers panoramic views of the ocean.
ホテルは海のパノラミックビューを提供します。
C1 noun /ˈdɛmənˌstreɪtər/

demonstrator

デモンストレーター, 抗議者
Meaning
a person who shows how something works or takes part in a public protest
Example
The demonstrators marched peacefully through the city streets.
デモ参加者は平和的に街の通りを行進しました。
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 noun /ˈkiːpˌseɪk/

keepsake

記念品
Meaning
An object kept as a reminder of a person, place, or event.
Example
She gave me a small locket as a keepsake of our friendship.
彼女は私たちの友情の記念として小さなロケットをくれました。
C1 noun /ˈkʌl.ən.dər/

Colander

ザル
Meaning
a bowl-shaped kitchen utensil with holes in it used for draining food such as pasta or rice
Example
She drained the pasta using a colander.
彼女はパスタをザルで水切りした。
C1 adjective /ˌʌnəkˈnɒlɪdʒd/

unacknowledged

認められない
Meaning
Not recognized, admitted, or accepted; ignored or unnoticed
Example
Her contributions to the project went unacknowledged.
彼女のプロジェクトへの貢献は認められなかった。
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 noun /ˈjuːlədʒi/

eulogy

弔辞
Meaning
A speech or piece of writing that praises someone, especially after their death.
Example
Her brother delivered a heartfelt eulogy at the funeral.
彼女の兄は葬式で感動的な弔辞を述べました。
C1 verb /ˈtɒpl/

topple

倒れる
Meaning
to fall or cause to fall over; to overthrow
Example
The earthquake caused the old building to topple.
地震で古い建物が倒れた。
C1 verb /ˈhæmpər/

hamper

妨げる
Meaning
to hinder or impede the movement or progress of
Example
The heavy rain hampered our travel plans.
強い雨が私たちの旅行計画を妨げました。
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。
C1 verb ɪˈnɔː.ɡjə.reɪ.tɪd

inaugurated

開会
Meaning
Begin or introduce (a system, policy, or period) formally.
Example
The organization was inaugurated officially.
その組織は正式に開会されました。
C1 noun səˌfɪs.tɪˈkeɪ.ʃən

sophistication

高度な複雑さまたは洗練
Meaning
High level of complexity or refinement.
Example
The sophistication of modern AI technology is remarkable.
現代のAI技術の洗練さは驚くべきものです。
C1 noun, verb /ˈfrænʧaɪz/

franchise

フランチャイズ
Meaning
A legal right to sell or distribute goods or services in a specific area; to grant such a right.
Example
He opened a new fast-food franchise in the city.
彼は都市で新しいファーストフードのフランチャイズを開設しました。
C1 verb /ˈflaʊndər/

flounder

もがく
Meaning
To struggle or stagger clumsily; to experience difficulty or confusion.
Example
He floundered in the interview when asked difficult questions.
彼は面接で難しい質問をされて、うろたえました。
C1 adjective /ɪɡˈzuːbərənt/

exuberant

興奮した
Meaning
full of energy, excitement, and cheerfulness
Example
The children were exuberant after winning the game.
子供たちはゲームに勝った後、興奮していました。
C1 noun ˈtær.ɪf

tariff

関税または輸出入税
Meaning
A tax or duty to be paid on a particular class of imports or exports.
Example
The government imposed high tariffs on luxury goods.
政府は高級品に高い関税を課しました。
C1 adjective /ˌæprɪˈhɛnsɪv/

apprehensive

不安な
Meaning
feeling anxious or fearful that something bad will happen
Example
He was apprehensive about starting a new job in a foreign country.
彼は外国で新しい仕事を始めることに不安を感じていた。
C1 adjective /dɪsˈkɔːrdənt/

discordant

不協和音
Meaning
disagreeing or clashing; harsh and jarring in sound
Example
The discordant notes of the band hurt our ears.
バンドの不協和音の音が私たちの耳を痛めました。
C1 noun ˌmek.ə.naɪˈzeɪ.ʃən

mechanization

機械化
Meaning
The process of introducing machines or replacing manual labor with machines.
Example
Mechanization has revolutionized agriculture.
機械化は農業に革命をもたらした。
C1 adjective /ˈmɔːrn.fəl/

mournful

悲しい
Meaning
feeling, expressing, or causing sadness or grief
Example
The mournful song reminded her of lost loved ones.
悲しい歌は彼女に失った愛する人々を思い出させました。
C1 noun ˌæf.ɔːr.ɪˈsteɪ.ʃən

afforestation

植林
Meaning
The action of planting trees on an area of land in order to form a forest.
Example
Afforestation helps restore biodiversity.
植林は生物多様性を回復するのに役立ちます。
C1 noun /rɪˈspɒnsɪvnəs/

responsiveness

反応性
Meaning
The quality of reacting quickly and positively
Example
The manager appreciated her responsiveness to customer feedback.
マネージャーは彼女の顧客からのフィードバックに対する反応性を評価しました。
C1 adjective /ˈrɪvɪtɪŋ/

riveting

魅力的な
Meaning
extremely interesting; holding the complete attention
Example
The movie was so riveting that nobody looked away.
その映画はとても魅力的で、誰も目を離すことができませんでした。
C1 verb /səˈfɪstɪkeɪt/

sophisticate

洗練する
Meaning
to make something more complex or refined; to educate or develop in taste and manners
Example
Traveling abroad helped sophisticate his worldview.
海外旅行は彼の世界観を洗練させる手助けとなった。
C1 noun /prəˈpɛlər/

propeller

プロペラ
Meaning
A mechanical device with blades that rotates to drive a ship, aircraft, or other vehicle forward.
Example
The airplane’s propeller cut through the air with great speed.
飛行機のプロペラは大きな速さで空気を切った。
C1 noun /ˈspɛktər/

specter

幽霊
Meaning
A ghost or spirit; something that causes fear or dread.
Example
The specter of war still haunts the region.
戦争の幽霊は今でもその地域をおびやかしています。
C1 noun /ˌɪnfɪˈdɛləti/

infidelity

不倫
Meaning
the act of being unfaithful to a spouse or partner
Example
Their marriage ended due to his infidelity.
彼らの結婚は彼の不倫が原因で終わった。
C1 noun /səbˈvɜːrʒən/

subversion

転覆
Meaning
the act of trying to destroy or undermine an established system or authority
Example
The government accused the rebels of planning subversion.
政府は反乱者が転覆を計画していると非難した。
C1 noun /ˈɔːr.ə.tɔːr.i/

oratory

弁論術
Meaning
The art of public speaking; skilled and confident delivery of speeches to an audience.
Example
His exceptional oratory skills won him the debate competition.
彼の卓越した弁論術は、ディベートコンペティションで彼に勝利をもたらしました。
C1 noun /ˈsɛdətɪv/

sedative

鎮静剤
Meaning
A substance that calms the nerves or induces sleep.
Example
The doctor prescribed a sedative to help the patient sleep.
医者は患者が眠れるように鎮静剤を処方しました。
C1 noun /ˈkælkjʊləs/

calculus

微積分
Meaning
A branch of mathematics concerned with rates of change and accumulation; also a hard mineral deposit in the body such as on teeth.
Example
Calculus is essential for advanced studies in physics and engineering.
微積分は物理学と工学の高度な研究に不可欠です。
C1 adjective /ɪˈnæmərd/

enamored

夢中
Meaning
filled with love or admiration
Example
He became enamored with classical music after attending the concert.
彼はコンサートに参加した後、クラシック音楽に魅了されました。
C1 adjective /hɜːrˈbɪv.ər.əs/

Herbivorous

草食性
Meaning
feeding on plants; plant-eating
Example
Cows are herbivorous animals that graze on grass.
牛は草食性の動物で、草を食べる。
C1 adjective /ˌmer.ɪˈtɔː.ri.əs/

Meritorious

称賛に値する
Meaning
deserving reward or praise; commendable; worthy of recognition
Example
His meritorious service to the community was recognized.
彼の社会への価値ある貢献は認められました。
C1 adjective /rɪˈpʌɡ.nənt/

Repugnant

嫌悪感を引き起こす; 嫌な; 不快な
Meaning
extremely distasteful; unacceptable; causing disgust or strong dislike
Example
The idea of lying to his parents was repugnant to him.
両親に嘘をつくという考えは彼にとって嫌悪感を抱かせた。
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 noun /rɪˌdʒuːvəˈneɪʃən/

rejuvenation

再生
Meaning
The process of restoring something to a former better state, especially referring to renewing soil fertility or revitalizing agricultural land through various restoration practices.
Example
Rejuvenation of soil is necessary for sustainable agriculture.
土壌の再生は持続可能な農業にとって必要不可欠です。
C1 noun /ˌdɪsərˈteɪʃən/

dissertation

論文
Meaning
A long piece of writing on a particular subject, usually written for a university degree.
Example
She spent two years writing her doctoral dissertation.
彼女は博士論文を書くのに2年を費やしました。
C1 adjective /ˈpleɪntɪv/

plaintive

悲しげな, 哀れな
Meaning
expressing sadness or sorrow
Example
He raised a plaintive cry for help.
彼は助けを求めて哀願するような叫びを上げた。
C1 noun /əˈkwɪtl/

acquittal

Meaning
a judgment that a person is not guilty of the crime with which they have been charged
Example
The acquittal of the accused shocked the public.
C1 adjective /ˌɪndɪˈstrʌktəbl/

indestructible

壊れない
Meaning
Impossible to destroy or break.
Example
The superhero's shield was said to be indestructible.
スーパーヒーローの盾は壊れないと言われていました。
C1 adjective dɪ ˈskrɛʃ.ən.er.i

discretionary

裁量の
Meaning
Available for use at the discretion of the user; not required or mandatory.
Example
He set aside some discretionary income for travel.
彼は旅行のためにいくらかの裁量所得を取っておいた。
C1 verb /ɪmˈpɜːrsəneɪt/

impersonate

偽る
Meaning
to pretend to be another person in order to entertain or deceive
Example
He was arrested for trying to impersonate a police officer.
彼は警察官を装おうとしたため逮捕されました。
C1 noun /ˈdʒiː.nəs/

genus

属
Meaning
a category in biological classification ranking above species and below family
Example
The tiger belongs to the genus Panthera.
トラはパンサー属に属します。
C1 verb /priːˈɛmpt/

pre-empt

Meaning
to act in advance to prevent an anticipated event from happening; forestall
Example
The government moved to pre-empt a crisis by introducing new policies.
C1 adjective kəʊˈhiː.sɪv

cohesive

結束力のある
Meaning
Characterized by or causing cohesion; forming a united whole.
Example
The team displayed a cohesive strategy.
チームは一体感のある戦略を示しました。
C1 verb /ˈstriːm.laɪn/

streamline

効率化または効率を高める
Meaning
To make a process simpler and more efficient.
Example
The company aims to streamline production to reduce costs.
会社はコスト削減のために生産の効率化を目指しています。
C1 noun /noʊm/

gnome

ノーム
Meaning
a small mythical creature, often depicted as a bearded man living underground; also a figurine used in gardens
Example
The garden was decorated with a gnome statue.
庭にはノームの像が飾られていました。
C1 noun /kwɪnˈtɛsəns/

quintessence

エッセンス
Meaning
The purest or most perfect example of something.
Example
She is the quintessence of elegance.
彼女は優雅さのエッセンスです。
C1 verb /ˌrekəˈlekt/

recollect

思い出す
Meaning
to remember something; to recall from memory
Example
I can't recollect where I put my keys.
鍵をどこに置いたか思い出せません。
C1 verb /skʌlpt/

sculpt

幸せ
Meaning
to create or shape something by carving or molding
Example
The artist sculpted a beautiful statue from marble.
彼女は賞を受け取ったとき、自分の幸せを隠せなかった。