Disturbance
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B2 noun /dɪˈstɜː.bəns/

Disturbance

騒乱; 邪魔; 不安
Meaning
the interruption of a settled and peaceful condition; anxiety or mental uneasiness
Example
The loud music created a disturbance that bothered all the neighbors.
大きな音楽は、すべての隣人を困らせた騒乱を引き起こしました。
C2 verb /dɪˈfreɪ/

defray

費用を負担する
Meaning
to provide money to pay the costs of something
Example
The grant will help defray the cost of education.
その助成金は教育費用の負担を助けます。
C2 verb /dɪsˈɡɔːrdʒ/

disgorge

嘔吐, 排出
Meaning
to discharge or pour out; to vomit; to give up reluctantly
Example
The broken pipe disgorged water all over the floor.
壊れたパイプが床全体に水を吐き出しました。
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。
B1 noun /ˈdeə.ri/

Dairy

牛乳が生産される建物や農場; 牛乳から作られた製品; 牛乳と乳製品を販売する店
Meaning
a building or farm where milk is produced; products made from milk; a shop selling milk and milk products
Example
The local dairy provides fresh milk and cheese to the entire neighborhood.
地元のデイリーは、新鮮な牛乳とチーズを地域全体に提供しています。
B2 adjective /dɪˈstɪŋɡwɪʃt/

Distinguished

優れた; 名誉のある; 有名な; 尊厳のある外見または態度
Meaning
notable; honored; famous; having a dignified appearance or manner
Example
He is a distinguished professor at the university.
彼は大学の優れた教授です。
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。
A2 verb /dɪsˈkʌvər/

discover

発見する
Meaning
to find something for the first time
Example
Scientists discovered a new planet last year.
科学者たちは昨年新しい惑星を発見しました。
A2 noun /ˈdɒŋ.ki/

Donkey

ロバ
Meaning
a domesticated animal related to the horse, with long ears and a braying call
Example
The donkey carried heavy bags up the mountain.
そのロバは重い袋を山へ運びました。
C2 noun /djuːˈɛnə/

duenna

ガバーナント
Meaning
an older woman acting as a governess or chaperone, especially in Spanish families
Example
The young lady was accompanied by a duenna during the festival.
若い女性は祭りの間、デュエナに付き添われていました。
B2 verb /drɪp/

drip

滴る
Meaning
to fall or let fall in drops
Example
Water was dripping from the broken pipe.
壊れたパイプから水が滴っていました。
C1 verb /diːˈhaɪdreɪt/

dehydrate

Meaning
to remove water from something; to lose water or body fluids
Example
Running in the heat can quickly dehydrate you.
B2 noun /depθ/

Depth

深さ; 深いまたは深遠な特質
Meaning
the distance from the top or surface to the bottom; the quality of being intense or profound
Example
The depth of the ocean in this area reaches over three thousand meters.
この地域の海の深さは3,000メートルを超えています。
C2 verb /diːˈnæʃənəlaɪz/

denationalize

民営化
Meaning
to transfer ownership from the government to private individuals or companies
Example
The government decided to denationalize the bank to encourage private investment.
政府は民間投資を促進するために銀行を民営化することを決定しました。
C2 adjective /ˌdaɪəˈlɛktɪkəl/

dialectical

弁証法的
Meaning
Relating to the logical discussion of ideas and opinions.
Example
She took a dialectical approach to solve the complex issue.
彼女は複雑な問題を解決するために弁証法的なアプローチを取りました。
C2 noun /ˌdɪfəˈrɛnʃə/

differentia

区別する特徴
Meaning
A distinguishing characteristic that sets one thing apart from another.
Example
The differentia of humans is their ability to reason abstractly.
人間の区別する特徴は抽象的に考える能力です。
B2 noun /ˈdɛməˌkræt/

democrat

民主主義者
Meaning
a supporter of democracy or a member of the Democratic Party in the US
Example
He is a strong democrat who believes in equal rights.
彼は平等な権利を信じる強い民主主義者です。
C2 adjective /ˌdɛlɪˈkwɛsənt/

deliquescent

湿気を吸収して液体に変わる
Meaning
tending to become liquid by absorbing moisture from the air
Example
Sugar is not deliquescent, but salt can be.
砂糖はデリクエセントではないが、塩はそうである可能性がある。
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。
C2 verb /dɪsˈbɑːr/

disbar

弁護士を法曹界から正式に除外する
Meaning
to officially remove a lawyer from the legal profession
Example
The corrupt lawyer was disbarred for unethical conduct.
腐敗した弁護士は非倫理的な行動により除外されました。
B1 noun /doʊˈneɪ.ʃən/

Donation

寄付; 貢献
Meaning
something that is given to a charity, especially a sum of money; the act of giving
Example
The generous donation helped the hospital purchase new medical equipment.
寛大な寄付が病院に新しい医療機器を購入するのに役立ちました。
C2 noun /dɪˈkæmɪtər/

decameter

デカメートル
Meaning
A metric unit of length equal to ten meters.
Example
The field was measured in decameters for accuracy.
そのフィールドは正確さのためにデカメートルで測定されました。
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。
C2 adjective /ˈdɛsɪkeɪtɪd/

desiccated

乾燥した
Meaning
completely dried, having had all moisture removed
Example
The museum displayed desiccated specimens of plants.
博物館は乾燥した植物標本を展示した。
B2 noun /ˈdɛnɪmz/

denims

デニムのパンツ
Meaning
pants or clothes made from denim fabric, usually jeans
Example
He wore blue denims with a white shirt.
彼は白いシャツと青いデニムを履いていた。
C1 adjective /dɪˈsiːtfəl/

deceitful

欺瞞的な
Meaning
Deliberately misleading or dishonest.
Example
She gave a deceitful answer to hide the truth.
彼女は真実を隠すために欺瞞的な答えを出しました。
B2 adjective /daɪˈnæm.ɪk/

dynamic

ダイナミック
Meaning
Characterized by constant change, activity, or progress.
Example
Life flows in a dynamic stream.
人生はダイナミックな流れの中で流れています。
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.
C2 verb /dɪˈbɪlɪteɪt/

debilitate

弱める
Meaning
to weaken or make someone or something infirm
Example
The long illness debilitated his strength.
長い病気が彼の力を弱めた。
C1 noun ˌdaɪvɜːsɪfɪˈkeɪʃən

diversification

多様化
Meaning
The practice of spreading investments across various assets or sectors to reduce risk.
Example
Diversification helps to reduce investment risk.
ダイバーシフィケーションは投資リスクを減らすのに役立ちます。
B2 noun /ˈdɔː.weɪ/

doorway

ドアの入口
Meaning
the space where a door opens into a room or building
Example
She stood in the doorway waiting for him to arrive.
彼女はドアの入口に立って、彼が来るのを待っていました。
C2 verb /diːˈlɪmɪt/

delimit

境界を設定する
Meaning
to fix the boundaries or limits of something
Example
The treaty was signed to delimit the borders of the two countries.
その条約は二国の境界を定めるために署名されました。
B2 verb /dreɪn/

drain

Meaning
to cause liquid to flow away from something; to remove liquid
Example
He drained the pasta before adding the sauce.
C2 noun /ˌdɛd ˈhiːt/

dead-heat

引き分け
Meaning
a race or contest in which two or more competitors finish exactly equal
Example
The race ended in a dead-heat between the two runners.
レースは二人のランナーの間で引き分けで終わった。
B1 adjective /ˈdɛdɪˌkeɪtɪd/

dedicated

献身的な
Meaning
devoted to a cause, task, or purpose
Example
She is a dedicated teacher who goes above and beyond for her students.
彼女は生徒のために上を行き、限界を超えていく献身的な教師です。
B2 noun /dɪˈnɒmɪˌneɪtər/

denominator

分母
Meaning
the number below the line in a fraction; a common factor in a situation
Example
In the fraction 3/4, the number 4 is the denominator.
3/4の分数では、4は分母です。
C1 adjective /ˈdaʊn.kæst/

downcast

Meaning
feeling sad, dejected, or with lowered eyes
Example
He looked downcast after hearing the bad news.
C2 verb /dɪˈsɛvər/

dissever

分ける
Meaning
To separate or cut apart.
Example
The treaty sought to dissever the two hostile regions.
条約は二つの敵対的な地域を分割しようとした。
C1 noun ˌdiː.sen.trə.laɪˈzeɪ.ʃən

decentralization

分権
Meaning
The transfer of authority from central to local government.
Example
Decentralization promotes regional autonomy.
分権は地域の自立を促進します。
A2 noun /dɪʃ/

Dish

皿
Meaning
a shallow, flat-bottomed container for cooking or serving food; a particular variety or preparation of food served as part of a meal
Example
Please put the rice on the dish before serving.
お米を皿に載せてから提供してください。
A1 noun /dɛsk/

desk

机
Meaning
a piece of furniture with a flat surface used for writing or working
Example
The books are on the desk.
本は机の上にあります。
B2 noun /diːd/

Deed

行為; 偉業; 法的文書;
Meaning
an action that is performed intentionally or consciously; a legal document showing ownership
Example
His heroic deed saved the child from drowning in the river.
彼の英雄的な行為は子供を川で溺れさせないように救った。
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。
B2 noun /dɪˈsen.dənt/

Descendant

子孫
Meaning
a person who is descended from a particular ancestor; offspring of a later generation
Example
She discovered that she was a descendant of European royalty through genealogy research.
彼女は系譜研究を通じて、ヨーロッパの王族の子孫であることを発見しました。
C1 verb /doʊt/

dote

溺愛する
Meaning
to show excessive love or fondness for someone or something
Example
She tends to dote on her grandchildren.
彼女は孫たちに溺愛する傾向があります。
C1 noun /ˈdeɪ.li.ə/

Dahlia

ダリア
Meaning
a garden plant with brightly colored flowers that bloom in summer and autumn
Example
She planted colorful dahlias in her garden last summer.
彼女は昨年の夏に庭にカラフルなダリアを植えました。
B2 adjective /dʌm/

Dumb

馬鹿; 無口; 愚か
Meaning
unable to speak; silent; lacking intelligence; stupid
Example
She remained dumb during the entire meeting.
彼女は会議の間ずっと黙っていた。
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。
C2 noun /dɪˈtraɪtəs/

detritus

デトリタス
Meaning
Waste or debris of any kind; fragments left from destruction or decay.
Example
The riverbank was covered with detritus after the flood.
洪水後、川岸はデトリタスで覆われていました。
B1 noun /ˌdɛfɪˈnɪʃən/

definition

定義
Meaning
a statement that explains the meaning of a word or concept
Example
The dictionary gives a clear definition of the word.
辞書はその言葉の明確な定義を示します。
C2 adjective /ˌdɪsəˈfɛktɪd/

disaffected

不満な
Meaning
Dissatisfied and rebellious, especially against authority or leadership.
Example
The reforms were introduced to calm the disaffected youth.
改革は不満な若者を落ち着かせるために導入されました。
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。
A1 noun /ˈdɔː.tər/

Daughter

娘
Meaning
a female offspring; a young woman in relation to her parents
Example
Their daughter graduated from medical school with top honors.
彼らの娘は医学校を優秀な成績で卒業しました。
C1 noun ˌdɪdʒɪˈnɛəreɪʃən

degeneration

退化
Meaning
The process of decline or deterioration in structure or function.
Example
The degeneration of brain cells leads to cognitive decline.
脳細胞の退化は認知機能の低下を引き起こします。
C2 verb /ˌdɪsəˈbjuːz/

disabuse

誤解を解く
Meaning
To free someone from a false belief or misconception.
Example
The teacher tried to disabuse the students of their misunderstanding.
先生は生徒たちの誤解を解こうとしました。
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。
B1 noun /ˈdɛdˌlaɪnz/

deadlines

締め切り
Meaning
The latest time or date by which something should be completed.
Example
Setting deadlines helps finish tasks.
締め切りを設定することでタスクを終わらせるのに役立ちます。
C1 noun /deɪˈbɑː.kəl/

debacle

失敗
Meaning
A sudden and ignominious failure; a fiasco.
Example
The company's poor management led to a financial debacle.
会社の不十分な管理が財務的な失敗を招いた。
B2 adverb /ˈdɛspərətli/

desperately

必死に
Meaning
in a way that shows despair or great need
Example
He called for help desperately after the accident.
事故後、彼は必死に助けを求めた。
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。
B2 noun /diːp ˈkʌlər/

Deep colour

深い色
Meaning
a rich, intense, or dark shade of any color
Example
The artist used deep colours to create a dramatic effect.
アーティストはドラマチックな効果を作り出すために深い色を使いました。
C1 verb /dɪˈpɔːrt/

deport

国外追放
Meaning
To expel a foreigner from a country, usually for legal or political reasons.
Example
The government decided to deport the illegal immigrants.
政府は不法移民をデポートすることを決定した。
A1 noun /ˈdɒlər/

dollar

ドル
Meaning
The basic monetary unit of the United States and some other countries
Example
I need five dollars to buy this book.
この本を買うには5ドル必要です。
C1 verb /dɪˈnəʊt/

denote

示す
Meaning
To be a sign of; to indicate or mean something.
Example
A red flag denotes danger.
赤い旗は危険を示しています。
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 noun /ˈdɑːrwɪnɪzəm/

darwinism

ダーウィニズム
Meaning
the theory of biological evolution developed by Charles Darwin, emphasizing natural selection
Example
Darwinism revolutionized the way scientists understood the origin of species.
ダーウィニズムは科学者たちが種の起源を理解する方法を革命的に変えました。
B1 noun /dʌst/

dust

ほこり
Meaning
Fine particles of matter.
Example
Road dust is a major pollutant in urban areas.
道路のほこりは都市部で主要な汚染物質です。
A2 noun /daʊt/

Doubt

疑い; 不信; 疑念
Meaning
a feeling of uncertainty or lack of conviction; distrust or suspicion
Example
There was no doubt in her mind that she had made the right decision.
彼女は自分が正しい決断を下したことに疑いを持っていなかった。
B2 noun /dɪˈsep.ʃən/

Deception

欺瞞
Meaning
the action of deceiving someone; the state of being deceived
Example
The magician's deception amazed the audience with seemingly impossible tricks.
魔法使いの欺瞞は、観客を一見不可能なトリックで驚かせた。
A2 verb /daɪ/

die

死ぬ
Meaning
to stop living; to cease to exist
Example
The flowers will die without water.
花は水がなければ死んでしまいます。
C1 noun /ˈdrɛsˌmeɪkər/

dressmaker

洋裁師
Meaning
A person who makes or alters women's clothing professionally.
Example
The dressmaker crafted a beautiful gown for the bride.
洋裁師は花嫁のために美しいドレスを作った。
C2 noun /ˈdɛvɪlri/

devilry

悪戯
Meaning
Wicked or cruel behavior; mischievous actions.
Example
The children were full of devilry on Halloween night.
ハロウィンの夜、子供たちは悪戯でいっぱいだった。
B2 noun daɪˈmen.ʃən

dimension

次元
Meaning
An aspect or feature of a situation, problem, or thing; a measurable extent.
Example
Renewable projects add a new dimension to urban planning.
再生可能エネルギープロジェクトは都市計画に新しい次元を加えます。
C2 verb /ˈdʌmfaʊnd/

dumbfound

呆然とさせる
Meaning
to greatly astonish or shock someone so they are temporarily speechless
Example
The magician's trick dumbfounded the audience.
マジシャンの技は観客を呆然とさせた。
C2 adjective /droʊl/

droll

ユニーク
Meaning
curious or unusual in a way that provokes dry amusement
Example
He had a droll sense of humor that made everyone laugh.
彼はみんなを笑わせるユニークなユーモアのセンスを持っていた。
A1 verb /driːm/

dream

夢を見る
Meaning
to have thoughts and images in your mind while sleeping; to hope for
Example
I often dream about flying in the sky.
私はよく空を飛ぶ夢を見ます。
C2 noun /ˈdɪti/

ditty

短い歌
Meaning
a short, simple song or poem
Example
She sang a cheerful little ditty while cooking.
彼女は料理をしながら陽気な小さな歌を歌っていた。
C1 verb /ˌdɪsɪnˈtæŋɡl/

disentangle

ほどく
Meaning
To free something or someone from a tangle or complication.
Example
She tried to disentangle her hair from the branches.
彼女は枝から髪の毛をほどこうとしました。
A1 preposition /ˈdjʊərɪŋ/

during

〜の間に
Meaning
throughout the course of a period of time
Example
I fell asleep during the movie.
私は映画の間に寝てしまいました。
C2 noun /dɪˈfoʊliənt/

defoliant

Meaning
a chemical that causes leaves to drop from plants, often used in warfare or agriculture
Example
The army sprayed defoliant to clear the forest cover.
B1 noun /ˈdrɛsɪŋ/

dressing

ドレッシング / 調味料の混合物
Meaning
a sauce for salads; or material used to cover a wound
Example
She prepared a delicious salad with Italian dressing.
彼女はイタリアンドレッシングで美味しいサラダを作った。
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 verb /ˌdɪsˈmaʊnt/

dismount

降りる
Meaning
to get off or down from something, especially a horse, bicycle, or motorcycle
Example
The rider dismounted from the horse after a long journey.
長い旅の後、ライダーは馬から降りた。
B2 adjective /ˈdred.fəl/

Dreadful

恐ろしい; 恐怖を引き起こす; 恐ろしい
Meaning
extremely bad or unpleasant; causing fear or suffering; terrible
Example
The weather was dreadful during our vacation.
私たちの休暇中、天気は恐ろしかった。
C1 adjective /dɪˈreɪndʒd/

deranged

狂気
Meaning
mentally disturbed or insane; behaving irrationally
Example
The deranged man shouted nonsense in the street.
狂った男が街で無意味なことを叫んでいた。
B2 adjective /dɪˈstrɛst/

distressed

苦しんでいる
Meaning
feeling or showing extreme anxiety, sorrow, or pain
Example
She looked distressed after hearing the bad news.
悪い知らせを聞いた後、彼女は苦しんでいるように見えました。
C1 verb /dɪˈɡreɪd/

degrade

Meaning
To lower in dignity, quality, or value; to treat with disrespect or to deteriorate.
Example
Harsh words can degrade a person's confidence.
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。
B2 noun daɪˈvɜːsɪti

diversity

多様性
Meaning
The state of being diverse; variety.
Example
Biodiversity promotes ecosystem stability and resilience.
生物多様性は生態系の安定性と回復力を促進します。
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。
B1 adjective dɪˈleɪd

delayed

遅延
Meaning
Late or postponed; happening later than planned or expected.
Example
The Artemis mission was delayed due to technical challenges.
アルテミスミッションは技術的な課題のため遅延しました。
B1 noun /ˈdɛkeɪd/

decade

十年
Meaning
A period of ten years.
Example
The country has changed a lot in the past decade.
その国は過去10年間で大きく変わりました。
C1 verb /dɪˈplɔːr/

deplore

非難する
Meaning
to feel or express strong disapproval of something; to regret deeply
Example
Many people deplore the violence shown on television.
多くの人々はテレビで示された暴力を非難しています。
B2 noun /daɪˈnæmɪks/

dynamics

ダイナミクス
Meaning
the forces or properties that stimulate growth, development, or change within a system or process
Example
The dynamics of the team changed after the new manager joined.
新しいマネージャーが参加した後、チームのダイナミクスは変化しました。
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。
B2 verb /ˈdɑːrkən/

darken

暗くする
Meaning
to make or become dark; to reduce brightness or light
Example
The clouds began to darken the sky before the storm.
嵐の前に雲が空を暗くし始めた。
C2 verb /ˈdɪðər/

dither

Meaning
to be indecisive or unable to make a decision
Example
He dithered for hours before choosing a restaurant.
C2 noun /ˈdæstərd/

dastard

卑怯者
Meaning
a cowardly or dishonorable person
Example
Only a dastard would betray his closest friend.
裏切るのは卑怯者だけだ。
C2 noun /ˌdaɪ.jʊˈret.ɪk/

diuretic

利尿剤
Meaning
A substance that promotes the production of urine.
Example
Coffee has a mild diuretic effect.
コーヒーは軽い利尿作用があります。
C2 adjective /dɪˈlɛktəbl̩/

delectable

美味しい
Meaning
delicious or highly enjoyable
Example
The restaurant served a delectable meal.
レストランは美味しい料理を提供しました。
B2 noun ˌdedɪˈkeɪʃn

dedication

献身
Meaning
The quality of being dedicated or committed to a task or purpose; devotion.
Example
His dedication laid the foundation of Indian science.
彼の献身はインディアの科学の基盤を築いた。
C2 noun /ˌdɪsprəˈpɔːrʃən/

disproportion

不均衡
Meaning
a lack of balance or symmetry; an inequality
Example
There is a clear disproportion between rich and poor in many societies.
多くの社会において、富裕層と貧困層の間に明確な不均衡があります。
C1 verb /dɪˈfɔːrm/

deform

変形する
Meaning
to change the shape or form of something, especially in a way that makes it ugly or damaged; to distort
Example
The intense heat began to deform the plastic container.
高温がプラスチック容器を変形させ始めた。
C2 verb /ˌdɒmɪˈnɪə/

domineer

支配する
Meaning
to assert one's will over another in an arrogant way
Example
He tends to domineer over his younger colleagues.
彼は若い同僚に対して支配的な態度を取ることが多い。
C1 noun ˌdɪs.ɪnˈfek.ʃən

disinfection

消毒
Meaning
The process of destroying harmful microorganisms to prevent infection.
Example
Kitchen appliances require frequent disinfection.
キッチン用具は頻繁に消毒する必要があります。
B1 verb /dɪˈtɜːrmɪn/

determine

決定する
Meaning
to decide; to find out exactly
Example
We must determine the cause of the problem.
私たちは問題の原因を特定する必要があります。
C2 adjective /ˌdaɪəˈkrɪtɪkəl/

diacritical

ダイアクリティカル
Meaning
Relating to a mark added to a letter to indicate a different pronunciation or stress.
Example
The word résumé has diacritical marks that change its meaning from resume.
‘レジュメ’という言葉には、意味を変えるダイアクリティカルマークがあります。
B2 noun /ˌdɪsəˈɡriːmənt/

disagreement

不一致
Meaning
a failure to agree or a difference in opinion
Example
Their disagreement on the issue caused a delay in the project.
その問題に対する彼らの不一致はプロジェクトの遅延を引き起こしました。
C1 noun dɪˈspær.ə.ti

disparity

格差
Meaning
A great difference or inequality.
Example
Disparity between countries must be reduced.
国々の間の格差は減少するべきです。
A2 noun /dɪər/

Deer

鹿
Meaning
a graceful wild animal with antlers, especially the male
Example
We saw a beautiful deer grazing in the meadow.
私たちは草原で美しい鹿が草を食べているのを見ました。
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 verb /ˈdrɪbəl/

dribble

Meaning
to let liquid flow slowly in drops or to move a ball skillfully with repeated small kicks or bounces
Example
The baby dribbled milk on his shirt.
C1 noun ˈdɛf.ər.əns

deference

敬意
Meaning
Humble submission and respect.
Example
He showed deference to his elderly mentor.
彼は年上のメンターに敬意を示しました。
C1 noun /daɪˈsɛkʃən/

dissection

解剖
Meaning
the act of cutting apart or analyzing something in detail, especially a body or structure
Example
The dissection of the specimen revealed important details about its structure.
標本の解剖はその構造に関する重要な詳細を明らかにした。
C2 noun /dɪˈdʒɛnərəsi/

degeneracy

退化
Meaning
The state of decline or deterioration, often in moral, cultural, or physical qualities.
Example
The novel portrays the moral degeneracy of a corrupt society.
その小説は腐敗した社会の道徳的退化を描いています。
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 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。
C2 noun /dɪˈkæmərən/

decameron

デカメロン (ボッカッチョの物語集)
Meaning
A collection of 100 tales written by Giovanni Boccaccio in the 14th century, told by a group of people over ten days.
Example
The Decameron is considered a masterpiece of classical Italian literature.
デカメロンはイタリア古典文学の傑作とされています。
B1 noun/adjective /ˌdɒkjʊˈmɛntri/

documentary

ドキュメンタリー映画
Meaning
A film or television program that provides a factual record or report.
Example
We watched a documentary about climate change.
私たちは気候変動についてのドキュメンタリー映画を見ました。
C2 noun /ˈdaɪətraɪb/

diatribe

激しい非難
Meaning
A forceful and bitter verbal attack against someone or something.
Example
The politician launched a diatribe against his opponents.
政治家は自分の対戦相手に対して激しい非難を始めた。
B2 noun /ˈdiː.lɪŋ/

Dealing

取引; 処理; 扱い
Meaning
business transactions; the way of treating people or handling situations
Example
His fair dealing with customers earned him an excellent reputation.
顧客との公正な取引が彼に素晴らしい評判をもたらしました。