dissect
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C1 verb /dɪˈsɛkt/

dissect

Meaning
to cut apart an animal, plant, or other organism to study its internal parts; to analyze something in detail
Example
In biology class, students had to dissect a frog to learn about its anatomy.
C1 noun /dɪsˈɪntrəst/

disinterest

無関心
Meaning
lack of interest or concern
Example
His disinterest in the project was obvious.
そのプロジェクトへの無関心は明らかだった。
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。
C1 verb /dɪsˈmæntəl/

dismantle

解体する
Meaning
to take apart; to remove or destroy the parts of
Example
Workers will dismantle the old bridge next month.
作業員たちは来月古い橋を解体します。
C1 noun /djuːn/

dune

砂丘
Meaning
A hill or ridge of sand formed by the wind, usually found in deserts or near beaches.
Example
The children played on the sand dune by the beach.
子供たちはビーチの砂丘で遊んでいました。
C1 noun /ˌdɪsəˈluːʃən/

dissolution

解散
Meaning
the act of formally ending or breaking apart something, such as an organization or marriage
Example
The dissolution of the company was announced yesterday.
会社の解散は昨日発表されました。
C1 adjective /dɪˈvɪzəbl/

divisible

割り切れる
Meaning
Capable of being divided by another number without leaving a remainder.
Example
Twelve is divisible by three and four.
12は3と4で割り切れます。
C1 adjective /ˈdjuːbiəs/

dubious

疑わしい
Meaning
Hesitating or doubting; not to be relied upon.
Example
She gave him a dubious look after hearing his excuse.
彼女は彼の言い訳を聞いた後、疑わしい目で彼を見ました。
C1 adjective dɪˈskrɪmɪnətɔːri

discriminatory

差別的
Meaning
Making or showing an unfair or prejudicial distinction between different categories of people or things.
Example
Discriminatory policies triggered protests.
差別的な政策は抗議を引き起こしました。
C1 noun/verb /dɛnt/

dent

へこみ
Meaning
a small hollow mark on the surface of something; to make a small hollow mark
Example
The accident left a dent in the car door.
事故で車のドアにへこみが残りました。
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 /dɪˌnʌnsiˈeɪʃən/

denunciation

非難 / 公共の告発
Meaning
the public condemnation or accusation of someone or something
Example
The journalist's article was a strong denunciation of corruption.
ジャーナリストの記事は腐敗に対する強い非難でした。
C1 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 adjective draʊt rɪˈzɪs.tənt

drought-resistant

耐乾燥
Meaning
Able to survive and grow despite limited water availability or drought conditions.
Example
Drought-resistant crops can survive in arid conditions.
耐乾燥作物は乾燥した条件でも生き残ることができます。
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 adverb /ˈduːli/

Duly

適切に, 時間通りに
Meaning
in accordance with what is required or appropriate; at the proper time
Example
The documents were duly signed and submitted.
書類は適切に署名され、提出されました。
C1 noun /ˈded.lɑk/

Dead-lock

行き詰まり; 停滞
Meaning
a situation in which no progress is possible; complete standstill
Example
The negotiations reached a deadlock when neither side would compromise.
交渉は行き詰まりに達し、どちらの側も妥協しようとしませんでした。
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 verb /ˈdræm.ə.taɪz/

dramatize

ドラマ化する
Meaning
to present a story in a dramatic way, or to exaggerate something
Example
The novel was dramatized into a popular TV series.
その小説は人気のテレビシリーズにドラマタイズされました。
C1 verb /dɪsˈsætɪsfaɪ/

dissatisfy

不満にさせる
Meaning
to fail to please or meet expectations; to make someone unhappy
Example
The poor service dissatisfies many customers.
悪いサービスは多くの顧客を不満にさせます。
C1 noun, verb /dɪsˈɑːnər/

dishonor

Meaning
a state of shame or loss of respect; to bring shame upon someone or something
Example
The soldier felt he had brought dishonor to his family.
C1 noun ˈdɛtrɪ.mənt

detriment

損害、害、障害
Meaning
Harm, damage, impairment.
Example
Smoking is a detriment to health.
喫煙は健康に対するデトリメントです。
C1 noun /daɪˈvɜː.dʒəns/

divergence

分岐
Meaning
The process or state of diverging; a difference or deviation between two or more things.
Example
The divergence in their opinions led to a heated debate.
彼らの意見の相違は激しい議論を引き起こしました。
C1 verb/adjective /dɪˈdʒɛnəreɪt/

degenerate

堕落する
Meaning
To decline or deteriorate in quality, character, or condition; or someone with low moral standards.
Example
The once thriving empire began to degenerate into chaos.
かつて繁栄していた帝国は混沌に堕ち始めました。
C1 noun /dɪˈkriː/

Decree

法令
Meaning
an official order issued by a legal authority; a judicial decision or edict
Example
The king issued a decree that all citizens must pay additional taxes.
王はすべての市民に追加の税金を支払うように命じる法令を出しました。
C1 adjective /dɪˈskriːt/

discrete

離散的
Meaning
individually separate and distinct
Example
The course is divided into three discrete modules.
コースは3つの離散的なモジュールに分けられています。
C1 noun /ˈdaɪəˌlɛkt/

dialect

方言
Meaning
A particular form of a language spoken in a specific region or by a specific group.
Example
He speaks a dialect of Bengali that is common in rural areas.
彼は田舎で一般的なベンガル語の方言を話します。
C1 verb /dɪˈfjuːz/

diffuse

Meaning
to spread over a wide area or among a large number of people
Example
The smell of fresh bread diffused through the entire house.
C1 adjective /dɪˈsɜːrnɪŋ/

discerning

鋭い
Meaning
having good judgment or insight; able to distinguish well
Example
He is a discerning reader who notices subtle details.
彼は鋭い読者で、微細な詳細に気づきます。
C1 noun /draɪ ˈtʃɪl.i/

Dry Chilli

乾燥唐辛子
Meaning
dried chili peppers used as spice for adding heat to food
Example
The recipe calls for two dry chillies to make it spicy.
レシピにはそれを辛くするために2つの乾燥唐辛子が必要です。
C1 adjective /dɪˈskrɪmɪˌneɪtɪŋ/

discriminating

選り好みする
Meaning
Having refined taste or good judgment; able to recognize subtle differences.
Example
She is known for her discriminating taste in art.
彼女は芸術における選り好みの味で知られています。
C1 noun /ˈdel.ɪ.kə.si/

Delicacy

繊細さ; 高級な料理;
Meaning
fineness of texture or structure; a choice or expensive food; sensitivity in handling
Example
The chef prepared a local delicacy that was famous throughout the region.
シェフは地域全体で有名な地元のデリカシーを準備しました。
C1 verb /dɪsˈlɒdʒ/

dislodge

追い出す
Meaning
To remove or force out from a position, especially one that is fixed or hard to move.
Example
The troops dislodged the enemy from the hill.
部隊は敵を丘から追い出した。
C1 noun /dɪˈspɜːrʒən/

dispersion

分散
Meaning
The action or process of distributing things or people over a wide area.
Example
The dispersion of seeds by the wind helps plants reproduce.
風による種子の散布は、植物の繁殖を助けます。
C1 verb /dɪˈfeɪm/

defame

名誉毀損
Meaning
to harm someone's reputation by spreading false information
Example
He was defamed by malicious rumors.
彼は悪意のある噂で中傷されました。
C1 noun dɪˌtɪə.ri.əˈreɪ.ʃən

deterioration

劣化
Meaning
The process of becoming progressively worse; decline in quality, condition, or strength.
Example
Poor maintenance leads to material deterioration.
不十分なメンテナンスは材料の劣化を引き起こす。
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 verb /ˌdɪsəˈsɛmbəl/

disassemble

分解する
Meaning
To take apart something into its separate pieces.
Example
He had to disassemble the computer to repair it.
彼は修理のためにコンピュータを分解しなければならなかった。
C1 adjective /dɪsˈpæʃənət/

dispassionate

冷静な
Meaning
not influenced by strong emotion; impartial
Example
The judge remained dispassionate throughout the trial.
裁判官は裁判全体を通して冷静さを保ちました。
C1 noun ˌdɪm.ɪˈnjuː.ʃən

diminution

減少
Meaning
A reduction in the size, extent, or importance of something; decrease.
Example
There has been a diminution in air pollution.
大気汚染の減少がありました。
C1 adjective /ˌdɪktəˈtɔːriəl/

dictatorial

独裁的
Meaning
Having or showing a tendency to tell people what to do in an autocratic way.
Example
His dictatorial style made him unpopular among colleagues.
彼の独裁的なスタイルは、同僚たちの間で不人気だった。
C1 verb /ˌdɪsɪnˈɡeɪdʒ/

disengage

解放する
Meaning
To release or detach oneself from something; to withdraw.
Example
He tried to disengage from the heated argument.
彼は熱い議論から解放しようとした。
C1 adjective /dɪˈvɔɪd/

devoid

空虚
Meaning
Completely lacking or without something.
Example
His speech was devoid of any real emotion.
彼のスピーチは実際の感情が空虚だった。
C1 verb /dɪˈpliːt/

deplete

使い果たす
Meaning
to reduce the quantity or supply of something
Example
The long war has depleted the country's resources.
長引く戦争で国の資源は枯渇した。
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 noun /ˌdiːˈmer.ɪt/

Demerit

欠点; 不利; 過ちや違反に対して与えられるマーク
Meaning
a fault or disadvantage; a mark given for a fault or offense
Example
The student received a demerit for arriving late to class repeatedly.
その生徒は繰り返し遅刻したため、デメリットを受けました。
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 /drəˈkoʊniən/

draconian

ドラコニアン
Meaning
Extremely harsh and severe, especially laws or rules.
Example
The new regulations were criticized as draconian.
新しい規制はドラコニアンだと批判されました。
C1 adjective /dɪˈɡreɪdɪd/

degraded

劣化した
Meaning
Reduced in quality, dignity, or condition.
Example
The villagers were forced to live in degraded conditions.
村人たちは劣化した状態で暮らさざるを得なかった。
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 daɪˈvɜː.dʒənt

divergent

異なる
Meaning
Tending to be different or develop in different directions
Example
Divergent policies create challenges in collaboration.
異なる政策は協力に挑戦を生み出します。
C1 noun /dɪˈsiːt/

Deceit

欺瞞; 詐欺; 嘘
Meaning
the action or practice of deceiving someone by concealing or misrepresenting the truth
Example
His deceit was discovered when the truth about his qualifications came to light.
彼の欺瞞は、彼の資格についての真実が明らかになったときに発覚しました。
C1 noun ˈdaɪ.nə.sti

dynasty

王朝
Meaning
A line of hereditary rulers of a country; a succession of people from the same family who play a prominent role in business, politics, or another field.
Example
The Ming dynasty ruled China for centuries.
明王朝は何世紀にもわたって中国を支配していました。
C1 adjective /dɪˈlæpɪˌdeɪtɪd/

dilapidated

老朽化した
Meaning
Fallen into disrepair or ruin due to neglect or age.
Example
The family lived in a dilapidated house at the edge of town.
その家族は町の端にある老朽化した家に住んでいました。
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 /ˌdɜːrməˈtɑːlədʒi/

dermatology

皮膚科学
Meaning
The branch of medicine concerned with the skin and its diseases.
Example
He studied dermatology at medical school.
彼は医学部で皮膚科学を学んだ。
C1 adjective /daɪˈvɜːrsɪfaɪd/

diversified

多様化された
Meaning
Made or having variety in form, nature, or content.
Example
The company adopted a diversified business strategy to reduce risks.
その会社はリスクを減らすために多様化されたビジネス戦略を採用した。
C1 noun dəˌmɛstɪˈkeɪʃən

domestication

家畜化
Meaning
The process of taming an animal and keeping it as a pet or for farm produce.
Example
Domestication of animals has been crucial for human survival.
動物の家畜化は人間の生存にとって重要だった。
C1 noun /ˈdeɪˌbreɪk/

daybreak

夜明け
Meaning
The time in the morning when daylight first appears; dawn.
Example
They set out on their journey at daybreak.
彼らは夜明けに旅を始めました。
C1 noun /dɪˈfɪʃ.ən.si/

Deficiency

不足; 欠乏; 不足感
Meaning
a lack or shortage of something; inadequacy or insufficiency
Example
The doctor diagnosed a vitamin D deficiency in the patient's blood test.
医師は患者の血液検査でビタミンDの不足を診断しました。
C1 noun /deɪˈtɒnt/

detente

緊張関係の緩和
Meaning
the easing of strained relations, especially between countries
Example
The treaty helped bring about a détente between the two nations.
その条約は、二国間の緊張関係を緩和するのに役立ちました。
C1 adjective ˈdɔːn.tɪŋ

daunting

威圧的または挑戦的な
Meaning
Something that seems intimidating or challenging.
Example
The task seemed daunting, but she completed it successfully.
その仕事は威圧的に見えたが、彼女はそれを成功裏に終わらせた。
C1 noun /dɪˈvaɪzər/

divisor

除数
Meaning
A number by which another number is divided.
Example
In the equation 12 ÷ 3, the number 3 is the divisor.
方程式12 ÷ 3では、数字3が除数です。
C1 verb /dɪˈteɪn/

detain

Meaning
to keep someone from proceeding; to hold back, especially by official authority
Example
The police detained the suspect for questioning.
C1 noun /dɪˌpriː.ʃiˈeɪ.ʃən/

depreciation

減価償却
Meaning
A reduction in the value of an asset with the passage of time, due to wear and tear.
Example
The car's depreciation rate is high after five years.
車の減価償却率は5年後に高くなります。
C1 verb /ˈdɛprɪˌkeɪt/

deprecate

非難する
Meaning
to express disapproval of something
Example
The teacher deprecated the use of slang in academic essays.
教師は学術論文でのスラングの使用を非難しました。
C1 noun /ˌdɪfəˈrɛnʃɪˈeɪʃən/

differentiation

差別化, 分化
Meaning
The action or process of differentiating or distinguishing between things.
Example
Differentiation from competitors can create a unique market position.
競合他社との差別化により、ユニークな市場ポジションを作り出すことができます。
C1 noun /ˌdɒmɪˈneɪʃən/

domination

支配
Meaning
the exercise of control or influence over someone or something
Example
The empire sought domination over its neighbors.
帝国は隣国に対する支配を求めていた。
C1 noun /diːˌtɒksɪfɪˈkeɪʃən/

detoxification

デトックス
Meaning
The process of removing toxic substances from a living organism.
Example
Detoxification helps to cleanse the body of harmful substances.
デトックスは体内の有害物質を排除するのに役立ちます。
C1 noun /ˈderˌdevəl/

daredevil

危険を冒す人
Meaning
A person who enjoys doing dangerous or risky things.
Example
The stunt was performed by a famous daredevil.
そのスタントは有名なデアデビルによって行われました。
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 verb /dʌb/

dub

吹き替え
Meaning
to give a name or label to something; to add a soundtrack to a film or recording
Example
The movie was dubbed into several languages for international release.
その映画は国際公開のためにいくつかの言語に吹き替えられました。
C1 verb /dɪˈflɛkt/

deflect

反らす / 避ける
Meaning
to cause something to change direction; to avoid answering directly
Example
The shield deflected the incoming arrow.
盾は飛んできた矢を反らした。
C1 verb /drɛntʃ/

drench

びしょ濡れにする
Meaning
to make someone or something completely wet
Example
The sudden rain drenched the players on the field.
突然の雨がフィールドの選手たちをびしょ濡れにした。
C1 noun /ˈdæmpər/

damper

力、効果、または興奮を減少または抑制するもの
Meaning
something that reduces or lessens the force, effect, or excitement
Example
The cancellation of the trip put a damper on their enthusiasm.
旅行のキャンセルは彼らの熱意をそぐことになった。
C1 verb /ˌdiːˈbʌŋk/

debunk

虚偽を暴露する、神話を打破する
Meaning
Expose the falseness or hollowness of (a myth, idea, or belief).
Example
Scientists debunked the myth that vaccines cause autism.
科学者たちは、ワクチンが自閉症を引き起こすという神話を打破した。
C1 noun /diːˈkrɪp.ʃən/

decryption

復号
Meaning
The process of converting encrypted data back into its original form so it can be understood.
Example
Hackers attempted decryption of classified data.
ハッカーは分類されたデータの復号を試みました。
C1 verb /dɔːnt/

daunt

脅す
Meaning
to make someone feel intimidated, discouraged, or less confident
Example
The steep climb did not daunt the experienced hikers.
急な登りは経験豊富なハイカーを怖がらせませんでした。
C1 noun /ˌdiːpɔːrˈteɪʃən/

deportation

Meaning
The act of expelling a foreigner from a country.
Example
The deportation of hundreds of workers sparked international criticism.
C1 adjective /ˈdiːviəs/

devious

狡猾な
Meaning
Skillful at using underhanded tactics to achieve goals; not straightforward.
Example
He used a devious plan to gain control of the company.
彼は会社の支配権を握るために、狡猾な計画を使いました。
C1 adjective /ˈdɒɡɪd/

dogged

執拗
Meaning
showing stubborn determination and persistence
Example
She succeeded through dogged determination.
彼女は執拗な決意で成功を収めました。
C1 adjective /dɪˈklærətɪv/

declarative

宣言的
Meaning
relating to a statement that declares something; in grammar, a sentence that makes a statement
Example
A declarative sentence simply states a fact or opinion.
宣言的な文は、単に事実や意見を述べるものです。
C1 noun ˌdɪs.æmˌbɪɡ.juˈeɪ.ʃən

disambiguation

曖昧さの解消
Meaning
The removal of ambiguity by making something clear and unambiguous.
Example
The AI system applies disambiguation to refine text understanding.
AIシステムはテキスト理解を精緻化するためにディスアンビギュエーションを適用します。
C1 noun dɪˈskrep.ən.siz

discrepancies

不一致
Meaning
Differences between things that should be the same
Example
Discrepancies in regulations delay progress.
規則の不一致が進行を遅らせている。
C1 noun /daɪˈvɜː.ʃən/

Diversion

迂回
Meaning
the action of turning something aside from its course; an activity that diverts the mind
Example
The road closure forced a diversion through the countryside for all travelers.
道路の閉鎖により、すべての旅行者は田舎道を通って迂回することを余儀なくされました。
C1 noun /dɪˈrɪʒən/

derision

嘲笑
Meaning
Contemptuous ridicule or mockery.
Example
His ideas were greeted with derision by the audience.
彼のアイデアは観客によって嘲笑された。
C1 adjective ˈdɪs.pər.ət

disparate

異なる
Meaning
containing elements very different from one another.
Example
Their opinions were disparate, leading to debates.
彼らの意見は異なり、討論を引き起こしました。
C1 noun /dɪˌnɒmɪˈneɪʃən/

denomination

宗派, 価値
Meaning
a recognized autonomous branch of the Christian Church; a unit of value or currency
Example
The church belongs to a Protestant denomination.
その教会はプロテスタントの宗派に属しています。
C1 noun dɪˈdʒɛnəˌreɪtɪv dɪˈzizɪz

degenerative diseases

変性疾患
Meaning
Medical conditions that involve the deterioration or progressive decline of tissues, organs, or functions
Example
Degenerative diseases are common in an aging population.
変性疾患は高齢化した人口に一般的です。
C1 verb /daɪˈɡrɛs/

digress

Meaning
To leave the main subject temporarily in speech or writing.
Example
The professor began to digress from the main topic of the lecture.
C1 adjective /dræb/

drab

地味な
Meaning
Dull, lacking brightness or interest; monotonous.
Example
The room looked drab with its gray walls and dim lighting.
灰色の壁と薄暗い照明でその部屋は地味に見えた。
C1 noun /dɪˈpɑːzətɔːri/

depository

預け場所, 保管所
Meaning
a place where things are stored or deposited, especially financial assets
Example
The national depository safeguards all government bonds.
国家のデポジトリはすべての政府債券を保護しています。
C1 verb diːˈsɛn.sɪ.taɪz

desensitize

脱感作
Meaning
To make someone less sensitive or reactive to something through repeated exposure.
Example
Constant exposure to violence can desensitize people.
継続的な暴力の露出は人々を鈍感にする可能性があります。
C1 adjective /ˈdɔːr.mənt/

Dormant

非アクティブ; 眠っている; 一時的に保留された; 現在アクティブではない
Meaning
inactive; sleeping; temporarily suspended; not currently active
Example
The volcano has been dormant for over a century.
火山は1世紀以上の間休眠状態です。
C1 noun /ˌdɪs.kʌl.əˈreɪ.ʃən/

discoloration

変色
Meaning
The process of changing or losing color; fading.
Example
Sun exposure causes discoloration of fabrics.
太陽光線は布地の変色を引き起こします。
C1 verb /dɪˈkraɪ/

decry

非難する
Meaning
to publicly criticize or express strong disapproval of something
Example
Many activists decry the destruction of the rainforest.
多くの活動家が熱帯雨林の破壊を非難しています。
C1 noun /dɪˈvɪnɪti/

divinity

神性
Meaning
The quality or state of being divine; a deity.
Example
The priest spoke about the divinity of the soul.
神父は魂の神性について話しました。
C1 noun /dɪˈprɛsənt/

depressant

抑制剤
Meaning
A drug that reduces functional or nervous activity in the body.
Example
Alcohol acts as a depressant on the central nervous system.
アルコールは中枢神経系に抑制剤として作用します。
C1 verb /dɪˈdjuːs/

deduce

推測する
Meaning
to reach a conclusion by reasoning or inference
Example
From the evidence, the detective deduced that the suspect was lying.
証拠から、探偵は容疑者が嘘をついていることを推測しました。
C1 noun /ˌdaɪəˈrɑːmə/

diorama

ジオラマ
Meaning
a three-dimensional model representing a scene, often with miniature figures
Example
The museum displayed a diorama of an ancient village.
博物館に古代の村のジオラマが展示されていました。
C1 adjective /dɪˈmɛntɪd/

demented

狂った / 非理性的
Meaning
behaving irrationally due to mental illness or extreme excitement
Example
He looked demented after hearing the shocking news.
彼は衝撃的なニュースを聞いた後、正気を失ったように見えました。
C1 adjective /dɪˈplɔːrəbl/

deplorable

ひどい
Meaning
deserving strong condemnation; shockingly bad in quality
Example
The refugees were living in deplorable conditions.
難民はひどい状況で生活していた。
C1 verb /dɪˈbeɪs/

debase

低下させる
Meaning
to reduce the quality, value, or dignity of something
Example
Corruption can debase the values of a society.
腐敗は社会の価値観を低下させる可能性があります。
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。
C1 noun /djʊˈrɛs/

duress

強制
Meaning
threats, violence, or pressure used to force someone to do something
Example
She signed the contract under duress.
彼女は強制的に契約書に署名した。
C1 verb /deɪz/

daze

Meaning
to stun or confuse someone temporarily with a shock or surprise
Example
The bright lights dazed the runners as they entered the stadium.
C1 verb /diːˈfɒrɪst/

deforest

Meaning
to clear an area of trees, usually on a large scale
Example
The region has been heavily deforested for agriculture.
C1 verb /ˈdɛnɪˌɡreɪt/

denigrate

貶める
Meaning
to criticize unfairly; to belittle or disparage someone or something
Example
He was quick to denigrate the achievements of his colleagues.
彼は同僚の業績をすぐに貶めました。
C1 noun /dɪˈten.ʃən/

Detention

停学; 拘留
Meaning
the action of detaining someone or being detained in official custody
Example
The student received detention for repeatedly disrupting the class.
生徒は繰り返しクラスを乱したため、停学を受けました。
C1 noun /dɪˈluːʒən/

delusion

錯覚
Meaning
A false belief or impression maintained despite being contradicted by reality.
Example
He lived under the delusion that he was invincible.
彼は自分が無敵だという錯覚の中で生きていた。
C1 verb /dɪsˈoʊn/

disown

拒絶する
Meaning
to refuse to acknowledge or accept responsibility for someone or something
Example
He decided to disown his reckless brother.
彼は無謀な兄を拒絶する決断をしました。
C1 verb /daʊs/

douse

消す / 注ぐ
Meaning
to pour liquid over; to extinguish a fire or light
Example
Firefighters doused the flames with water.
消防士たちは水で炎を消しました。
C1 adjective /ˈdaɪ.si/

dicey

危険な
Meaning
Risky or unpredictable; potentially dangerous.
Example
Investing in that company looks pretty dicey right now.
その会社への投資は今、かなり危険なように見える。
C1 noun /ˈdaɪhɑːrd/

diehard

Meaning
A person who strongly resists change and remains loyal to a belief or cause.
Example
He is a diehard fan of classic rock music.
C1 noun /ˈdɛdlɒk/

deadlock

行き詰まり
Meaning
a situation in which progress is impossible because of disagreement
Example
Negotiations reached a deadlock after neither side agreed to compromise.
交渉は双方が妥協に同意しなかったため行き詰まりました。
C1 noun dɪˌlɪb.əˈreɪ.ʃən

deliberation

熟考
Meaning
Long and careful consideration or discussion.
Example
The agreement was finalized after much deliberation.
その合意は多くの熟考の末に最終決定されました。
C1 verb /dɪˈtrækt/

detract

Meaning
To reduce or take away the worth or value of something.
Example
His rude behavior will detract from his good reputation.
C1 noun ˈdɪk.ʃən

diction

発音と単語の選択
Meaning
The style of pronunciation and word choice in speaking or writing.
Example
A strong diction enhances communication skills.
強いディクションはコミュニケーション能力を向上させます。
C1 noun /dɪˈfen.dənt/

Defendant

被告
Meaning
an individual, company, or institution sued or accused in a court of law
Example
The defendant pleaded not guilty to all charges brought against him.
被告は、彼に対するすべての告発に対して無罪を主張しました。
C1 noun /ˈdɑː.mə.saɪl/

domicile

住居地
Meaning
A person's legal residence or permanent home.
Example
He declared Canada as his legal domicile.
彼はカナダを彼の法的な住居地として宣言しました。
C1 adjective ˌdet.rɪˈmen.təl

detrimental

有害な
Meaning
Tending to cause harm; damaging or harmful.
Example
Pollution has detrimental effects on fertility.
汚染は生殖能力に有害な影響を与えます。