Dusk
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C1 noun /dʌsk/

Dusk

夕暮れ; たそがれ
Meaning
the period of the day when daylight is fading; twilight
Example
They walked along the beach during dusk, watching the sunset.
彼らは夕暮れ時にビーチを歩きながら、日没を見ていました。
A2 verb dɪˈvɛləp

develop

発展させる
Meaning
To grow or bring to a more advanced or effective state; to start to exist, experience, or possess gradually.
Example
Develop a brand based on your passion and skills.
情熱とスキルに基づいてブランドを発展させましょう。
B2 noun /ˈdɔːr.mæt/

Door-mat

ドアマット
Meaning
a mat placed in front of a door for wiping feet
Example
Please wipe your feet on the door-mat before entering the house.
家に入る前にドアマットで足を拭いてください。
B2 adjective/noun ˌdem.əˈɡræf.ɪk

demographic

人口統計学的
Meaning
Relating to the structure of populations; statistical data relating to the population and particular groups within it.
Example
The company analyzes demographic trends before launching a product.
会社は製品を発売する前に人口統計学的傾向を分析します。
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。
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。
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。
C2 adjective /dɪˈrɪzəbl/

derisible

嘲笑に値する
Meaning
deserving ridicule or mockery
Example
His excuse was so weak that it was plainly derisible.
彼の言い訳は非常に弱く、明らかに嘲笑に値した。
C1 noun /ˈdiːvə/

diva

有名な女性歌手
Meaning
a famous female singer; a woman who is admired or behaves like a star
Example
The pop diva performed her latest hit to a cheering crowd.
ポップディーバは観衆の前で最新のヒットを披露しました。
B2 noun /ˈdeb.riː/

debris

破片
Meaning
Scattered pieces of waste or remains.
Example
Debris in the eyes causes irritation.
目に破片が入ると、刺激を引き起こします。
B2 adjective /ˈdevəsteɪtɪŋ/

devastating

Meaning
causing severe shock, distress, or destruction; extremely damaging or upsetting
Example
The earthquake had a devastating effect on the city.
B1 adjective /dɪsˈeɪbld/

disabled

障害者
Meaning
having a physical or mental condition that limits movements, senses, or activities
Example
The park has special facilities for disabled people.
公園には障害者用の特別な施設があります。
C2 noun /ˌdaɪəˈlɛktɪk/

dialectic

Meaning
A method of argument or reasoning by dialogue, especially as a means of investigating truth.
Example
The philosopher used dialectic to challenge his students' assumptions.
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。
B2 adjective /dɪˈfektɪv/

Defective

欠陥のある; 不完全な
Meaning
having faults or defects; imperfect
Example
The defective product was returned to the store.
欠陥のある製品は店に返品されました。
C1 noun /dɪˈstɔːrʃən/

distortion

歪曲、誤った提示
Meaning
the action of twisting, changing, or misrepresenting the shape, sound, or truth of something
Example
There was a distortion in the radio signal.
ラジオ信号に歪曲がありました。
A2 noun /ˈdɒlfɪn/

Dolphin

イルカ
Meaning
A highly intelligent marine mammal with a streamlined body and dorsal fin
Example
Dolphins are known for their playful behavior and intelligence.
イルカは遊び好きな行動と知性で知られています。
C2 noun /ˌdɪləˈtænt/

dilettante

愛好家
Meaning
A person who takes up an art, activity, or subject merely for amusement, especially in a superficial way.
Example
He was dismissed as a dilettante in the art world because he lacked formal training.
彼は芸術界で愛好家として退けられました、なぜなら正式な訓練が不足していたからです。
C1 verb /daɪˈleɪt/

dilate

拡大する
Meaning
To make wider, larger, or more open.
Example
The doctor used drops to dilate the patient's pupils.
医者は患者の瞳孔を拡げるために点眼薬を使いました。
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。
A2 adverb /ˈdɪfərəntli/

differently

異なった方法で
Meaning
in a way that is not the same as another or as expected
Example
She approached the problem differently than her colleagues.
彼女は同僚たちと違った方法で問題に取り組みました。
C2 verb /ˌdɪskəˈmoʊd/

discommode

邪魔する
Meaning
To cause inconvenience or trouble to someone.
Example
I hope my request does not discommode you.
私のリクエストがあなたに不便をかけないことを願っています。
C2 adjective /dɪˈmjʊər/

demure

控えめ
Meaning
reserved, modest, and shy
Example
She gave him a demure smile.
彼女は控えめな笑顔を彼に向けた。
B1 noun /dɪˈbeɪts/

debates

討論
Meaning
Formal discussions where different viewpoints are presented and argued.
Example
Debates on governance lasted throughout the session.
ガバナンスに関する討論はセッション全体を通して行われました。
C1 verb dɪˈsɜːn

discern

識別する
Meaning
To perceive or recognize something; to distinguish with difficulty by sight or with the other senses.
Example
He could barely discern the distant figure in the fog.
彼は霧の中で遠くの姿をほとんど識別できなかった。
C1 noun /dɪˈsɜːn.mənt/

discernment

洞察力
Meaning
The ability to judge well or understand something correctly; keen insight.
Example
His discernment in business decisions made him successful.
彼のビジネスの決定における洞察力は彼を成功させた。
B2 noun /drɪl/

drill

ドリル
Meaning
a tool or exercise used for making holes or practicing skills
Example
The students took part in a fire drill at school.
生徒たちは学校で火災訓練に参加しました。
A2 verb /diːl/

deal

幸せ
Meaning
to distribute or give out something; to handle or manage
Example
He had to deal with many problems at work.
彼女は賞を受け取ったとき、幸せを隠すことができませんでした。
B2 noun /dɪˈkeɪ/

Decay

腐敗; 分解; 老化
Meaning
the process of rotting or decomposing; gradual decline or deterioration
Example
The old building showed signs of decay after years of neglect.
その古い建物は長年の無視の後、腐敗の兆しを示していた。
C1 noun /dɪˈmaɪz/

demise

死 / 終わり
Meaning
Death or end of something, especially the end of an institution or system.
Example
The sudden demise of the company shocked investors.
会社の突然の倒産は投資家を驚かせました。
B1 noun /dɪˈpɑː.tʃər/

Departure

出発
Meaning
the action of leaving, especially to start a journey; a deviation from an established course
Example
The departure of the train was delayed by thirty minutes due to technical issues.
列車の出発は技術的な問題で30分遅れました。
B2 noun /dɪˈtɛkʃən/

detection

検出
Meaning
the action or process of identifying the presence of something
Example
The detection of fraud in the system was swift.
システム内での詐欺の検出は迅速でした。
B1 noun /dɪˈfens/

Defence

防御; 保護
Meaning
the action of defending from or resisting attack; protection or support
Example
The country strengthened its defence system against potential threats.
その国は潜在的な脅威に対抗するため、防御システムを強化しました。
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。
B2 adjective /dɪˈzaɪərəbl/

desirable

望ましい
Meaning
worth having or wanting; attractive
Example
The location of the house was highly desirable, with great views.
その家の場所は非常に望ましく、素晴らしい景色がありました。
B2 noun /daɪm/

dime

10セント硬貨
Meaning
a small coin, especially a U.S. coin worth ten cents
Example
He gave me a dime for the phone call.
電話のためにダイムを一枚くれました。
A2 noun /ˈdʌzən/

dozen

ダース
Meaning
a group of twelve
Example
She bought a dozen eggs from the market.
彼女は市場でダースの卵を買いました。
C1 noun /ˈdɛspətɪzəm/

despotism

専制政治
Meaning
absolute power exercised in a cruel and oppressive way
Example
The people revolted against the era of despotism.
人々は専制政治の時代に反乱を起こしました。
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。
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。
C1 adjective /ˌdɪfəˈrɛnʃəl/

differential

差別的
Meaning
Relating to or showing a difference; involving a distinction.
Example
There is a differential treatment between the two groups.
2つのグループ間に差別的な扱いがあります。
C2 verb /diːˈpɒpjʊˌleɪt/

depopulate

人口減少
Meaning
To reduce the number of people living in a place.
Example
The war threatened to depopulate the once-thriving town.
戦争はかつて繁栄していた町を人口減少させる脅威を与えた。
C2 noun /ˈdɛntɪfrɪs/

dentifrice

歯磨き粉
Meaning
a substance such as powder, paste, or liquid used to clean teeth
Example
He bought a new herbal dentifrice from the pharmacy.
彼は薬局で新しいハーブの歯磨きを買った。
B2 adverb /ˈden.sli/

densely

密に
Meaning
In a closely compacted or crowded manner.
Example
The area is densely covered with trees.
その地域は密に木々で覆われています。
A2 verb /dəˈrɛkt/ or /daɪˈrɛkt/

direct

指示する
Meaning
to manage or control the course of something; to give instructions
Example
She directed the team to complete the project on time.
彼女はチームにプロジェクトを時間通りに終わらせるよう指示しました。
B2 adverb dɪˈlɪb.ər.ət.li

deliberately

故意に
Meaning
Consciously and intentionally; on purpose.
Example
The actions were deliberately planned to cause harm.
行動は意図的に計画され、害を与えるために行われた。
C2 adjective /djuːˈplɪsɪtəs/

duplicitous

裏表のある
Meaning
Deceitful; deliberately deceptive or dishonest.
Example
The politician was criticized for his duplicitous statements.
その政治家は裏表のある発言で批判された。
C1 noun /ˌdɛrɪˈveɪʃən/

derivation

派生
Meaning
The origin or development of something from a source.
Example
The derivation of the word comes from Latin.
その単語の起源はラテン語から来ている。
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 noun /dɪˈlɪriəm/

delirium

錯乱
Meaning
An acutely disturbed state of mind characterized by restlessness, illusions, and incoherence.
Example
The patient experienced delirium after the surgery due to the strong medication.
患者は手術後、強い薬物の影響で錯乱状態を経験しました。
C2 noun /ˌdɛkəˈsɪləbəl/

decasyllable

十音節詩行
Meaning
A line of verse with ten syllables.
Example
The poet often wrote in decasyllable form.
詩人はしばしば十音節詩行で書いていた。
B2 noun /ˈdiːtʊr/

detour

迂回路
Meaning
A longer or less direct route taken to avoid something or reach a destination.
Example
We had to take a detour because the main road was closed.
メイン道路が閉鎖されていたので、迂回路を取らなければならなかった。
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 adjective /dɪˈsperɪŋ/

Despairing

絶望的な
Meaning
feeling hopeless; in despair
Example
She felt despairing after losing her job.
彼女は仕事を失った後、絶望的な気持ちだった。
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。
C2 noun /dɪˈpɔːrtmənt/

deportment

行儀
Meaning
A person's behavior or manners, especially in a formal situation.
Example
Her deportment during the ceremony impressed everyone.
儀式中の彼女の行儀は皆を感動させた。
B2 noun /dɪsˈkloʊʒər/

disclosure

開示
Meaning
the action of making something known or public
Example
The disclosure of the company's financial status was delayed.
会社の財務状況の開示は遅れました。
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。
C1 noun, adjective /dɪˈrɪvətɪv/

derivative

派生物
Meaning
Something that is based on another source; in math, a measure of how a function changes.
Example
The film was criticized for being too derivative of earlier works.
その映画は、前の作品を模倣しすぎて批判されました。
C1 adjective /ˈdɑːsəl/ or /ˈdəʊsaɪl/

docile

従順な
Meaning
easily managed, taught, or controlled; submissive
Example
The docile puppy quickly learned new tricks.
従順な子犬はすぐに新しい技を覚えました。
B2 verb /dɪˈtætʃ/

detach

分離する
Meaning
to separate or remove something from something else
Example
She detached the page from the notebook.
彼女はノートからページを切り離しました。
B1 noun /ˈdaɪ.ə.lɑːɡ/

Dialogue

対話; 会話
Meaning
a conversation between two or more people; discussion aimed at exploration of a subject
Example
The political leaders engaged in meaningful dialogue to resolve the conflict.
政治指導者たちは紛争解決のために有意義な対話を行いました。
C2 noun /dɪˈmʌrɪdʒ/

demurrage

デマレッジ
Meaning
a charge payable to the owner of a ship or vehicle for not loading or unloading on time
Example
The company had to pay demurrage for delaying the unloading of goods.
会社は荷物の荷降ろしの遅れでデマレッジを支払わなければならなかった。
C1 adjective /dɪˈraɪsɪv/

derisive

軽蔑的な
Meaning
Expressing contempt or ridicule.
Example
She gave a derisive laugh at his attempt to sing.
彼女は彼の歌おうとする試みに対して軽蔑的な笑い声を上げた。
A2 verb /dɪˈzaɪn/

design

Meaning
to plan and create something with a particular purpose or look
Example
She will design the new company logo.
B1 noun dɪˈfens

defense

防御
Meaning
The action of defending from or resisting attack; protection from harm or danger.
Example
Defense was one of the central subjects.
防御は主要なテーマの一つだった。
C1 verb /dɪˈbɑːr/

debar

禁止する
Meaning
To officially prevent someone from doing something.
Example
He was debarred from entering the competition due to cheating.
彼は不正行為のため競技への参加が禁止されました。
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 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。
C2 verb /dɪsˈbɜːrdən/

disburden

負担を軽減する
Meaning
to relieve someone of a burden or load
Example
She disburdened herself of worries by sharing them with her friend.
彼女は心配を友達と共有することで自分を負担から解放した。
C1 verb ˈdwɪn.dl

dwindle

減少する
Meaning
To diminish gradually in size, amount, or strength; to become progressively smaller.
Example
His savings dwindled due to unexpected expenses.
予期しない支出のため、彼の貯金は減少しました。
B2 noun /dɪˌtɜː.mɪˈneɪ.ʃən/

determination

決意
Meaning
Firmness of purpose; the quality of being determined; resolve.
Example
His determination to succeed was unwavering.
成功するための彼の決意は揺るぎなかった。
B2 verb /dɪˈmɒlɪʃ/

demolish

取り壊す
Meaning
to destroy completely, especially a building or structure
Example
The city decided to demolish the old stadium to build a new one.
その都市は新しいものを作るために古いスタジアムを取り壊すことに決めました。
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。
C2 noun /dɪˈdʒɛkʃən/

dejection

落胆
Meaning
a state of sadness, depression, or low spirits
Example
She sat in a state of dejection after hearing the bad news.
彼女は悪い知らせを聞いた後、落胆した状態で座っていた。
B2 noun /dɪˌskrɪm.ɪˈneɪ.ʃən/

Discrimination

差別; 不公平な扱い; 偏見
Meaning
the unjust or prejudicial treatment of different categories of people; recognition of difference
Example
The company was sued for racial discrimination in their hiring practices.
その企業は採用における人種差別で訴えられました。
C1 noun /ˈdɪs.ə.nəns/

dissonance

不協和音
Meaning
Disagreement, lack of harmony, conflict between ideas or beliefs.
Example
The cultural dissonance created misunderstandings.
文化的な不協和音が誤解を生んだ。
B1 adjective /def/

Deaf

耳が聞こえない; 聴覚障害がある
Meaning
unable to hear; having a hearing impairment
Example
The deaf child learned to communicate using sign language.
そのろうの子供は手話を使ってコミュニケーションを学びました。
B2 noun /droʊn/

Drone

オス蜂
Meaning
a male bee that does not work and whose only function is to mate with the queen
Example
The drone bees do not collect honey like worker bees.
ドローンの蜂は働き蜂のように蜂蜜を集めません。
C1 noun /dɪˈfaɪəns/

defiance

反抗
Meaning
Open resistance or bold disobedience.
Example
The protest was an act of defiance against injustice.
その抗議は不正に対する反抗の行為でした。
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。
C2 adjective /dɪˈdjuːsəbl/

deducible

推測可能な
Meaning
able to be deduced; possible to be inferred
Example
The solution is deducible from the data provided.
解決策は提供されたデータから推測可能です。
C2 noun dɪsˈbɜːs.mənt

disbursement

支払い
Meaning
The payment of money from a fund.
Example
The company's disbursement of salaries was delayed.
会社の給与の支払いが遅れました。
B2 adjective /dɪˈsɛndənt/

descendent

下降する
Meaning
Moving downward; going down or descending.
Example
The river followed a descendent course toward the valley.
川は谷に向かって下降するコースをたどった。
B1 noun /dɜːrt/

Dirt

汚れ; 土; 不潔な物質
Meaning
a substance that makes something unclean; earth or soil; unclean matter
Example
After playing in the garden, the children were covered in dirt from head to toe.
庭で遊んだ後、子供たちは頭から足まで汚れで覆われていました。
C2 noun /ˈdaɪˌsɪləbəl/

disyllable

二音節語
Meaning
a word consisting of two syllables
Example
The word 'happy' is a disyllable.
‘ハッピー’という単語は二音節語です。
C2 verb /ˌdɪsɪnˈhɛrɪt/

disinherit

遺産を剥奪する
Meaning
to deprive someone, especially a child, of inheritance or right to property
Example
The father threatened to disinherit his son for his reckless actions.
父親は息子の無謀な行動のために遺産を剥奪すると脅した。
A1 adverb /daʊn/

down

下
Meaning
from a higher to a lower position
Example
He walked down the stairs slowly.
彼はゆっくりと階段を下りてきました。
C2 adjective /ˈdɔːrsəl/

dorsal

背鰭
Meaning
Relating to the back or upper side of an animal or body part.
Example
Sharks have a prominent dorsal fin.
サメは目立つ背鰭を持っています。
C1 adjective /dɪˈmɒnstrətɪv/

demonstrative

表現的な
Meaning
openly showing feelings, especially affection or emotion
Example
She was very demonstrative with her affection towards her friends.
彼女は友達に対してとても表現的だった。
C1 noun /ˌdɪsəˈbiːdiəns/

disobedience

不従順
Meaning
failure or refusal to obey rules, laws, or authority
Example
The child's disobedience worried his parents.
子供の不従順は両親を心配させました。
A2 adjective /duː/

Due

期日; 予想される; 計画された
Meaning
owed as a debt; expected at a certain time; scheduled
Example
The assignment is due tomorrow.
課題は明日締め切りです。
A1 noun /deɪ/

Day

日
Meaning
a period of twenty-four hours; the time during which there is light
Example
What a beautiful day it is today with clear blue skies!
今日は青空が広がる美しい日です！
C1 verb /ˈdæmpən/

dampen

湿らせる, 和らげる
Meaning
to make something slightly wet; to make something less strong, active, or intense
Example
The rain dampened the excitement of the outdoor concert.
雨が屋外コンサートの興奮を和らげました。
C2 adverb /ˈdɑːrklɪŋ/

darkling

暗闇の中で
Meaning
In the dark or growing dark; dimly.
Example
The forest creatures moved darkling through the night.
森の生き物は夜に暗闇の中で動いていた。
C1 noun /ˈdiːviəns/

deviance

逸脱
Meaning
Behavior that differs from accepted social or moral standards.
Example
The book studies deviance in urban youth culture.
その本は都市の若者文化における逸脱を研究しています。
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 /ˈdɛljuːdʒ/

deluge

洪水
Meaning
A severe flood; an overwhelming quantity of something.
Example
The town was hit by a deluge of rain in just a few hours.
その町は数時間で豪雨の洪水に襲われました。
A1 noun /dres/

Dress

ドレス
Meaning
a piece of clothing for women or girls that covers the body and extends down over the legs
Example
She wore a beautiful blue dress to the party.
彼女はパーティーで美しい青いドレスを着ていました。
B2 noun, verb /ˈdeɪ.bjuː/

debut

デビュー
Meaning
The first public appearance or performance of someone or something.
Example
The young actor made his debut on the big stage.
若い俳優は大きな舞台でデビューを果たした。
B2 verb /dɪˈzɒlv/

dissolve

Meaning
to melt or become liquid; to officially end or break up an agreement or organization
Example
The sugar will dissolve quickly in hot tea.
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。
C2 noun /ˈdɛθsˌhɛd/

deaths-head

髑髏
Meaning
A representation of a human skull, often used as a symbol of death.
Example
The pirate flag was marked with a grim deaths-head.
海賊の旗には恐ろしい髑髏の印がありました。
B2 noun /ˌdɪs.əˈbɪl.ə.ti/

Disability

障害
Meaning
a physical or mental condition that limits a person's movements, senses, or activities
Example
Despite his physical disability, he became a successful athlete in wheelchair racing.
身体的な障害にもかかわらず、彼は車椅子レースで成功したアスリートになりました。
B2 adjective /dɪˈfɪnɪtɪv/

definitive

決定的
Meaning
serving as a final or most authoritative form; conclusive and decisive
Example
The committee reached a definitive agreement on the policy.
委員会は政策に関する決定的な合意に達しました。
C2 noun /ˌdɪspjuːˈteɪʃən/

disputation

議論
Meaning
a formal debate or argument
Example
The disputation between the two scholars lasted for hours.
二人の学者の間での議論は数時間続いた。
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。
C2 noun /ˈdɒkɪt/

docket

リスト
Meaning
a list or schedule of cases to be tried in a court or items to be done
Example
The judge reviewed the docket before starting the session.
裁判官はセッションを開始する前にリストを確認しました。
B2 noun, verb /ˈdɪskɔːrs/

discourse

談話, 講義
Meaning
Written or spoken communication or debate.
Example
The professor gave a discourse on ancient philosophy.
教授は古代哲学についての講義を行った。
C2 adjective /ˈdɪsənənt/

dissonant

不協和音
Meaning
Harsh and lacking harmony; conflicting.
Example
The orchestra produced a dissonant sound during rehearsal.
オーケストラはリハーサル中に不協和音を発生させました。
B1 noun /dɪˈmænd/

Demand

需要；消費者の商品の要求
Meaning
an urgent request; the desire of consumers for goods or services
Example
The demand for organic food has increased significantly in recent years.
オーガニック食品の需要は近年顕著に増加しています。
C1 verb /dɪsˈpruːv/

disprove

反証する
Meaning
to show that something is false or wrong
Example
The scientist worked hard to disprove the old theory.
科学者は古い理論を反証するために一生懸命働いた。
C2 adjective /dɪsˈpɛptɪk/

dyspeptic

消化不良, イライラした
Meaning
Relating to indigestion or having a gloomy or irritable disposition.
Example
After the heavy meal, he felt dyspeptic and uncomfortable.
重い食事の後、彼は消化不良で不快に感じました。
B2 noun /dɪˈpləʊməsi/

diplomacy

Meaning
The profession, activity, or skill of managing international relations or handling affairs tactfully.
Example
Effective diplomacy helped avoid the conflict.
B2 adjective /dɪˈstɪŋkt/

Distinct

独特の; ユニークな; 明確な; 認識できる
Meaning
separate and different; clear and recognizable; unique
Example
Each painting has its own distinct style and character.
各々の絵画には、それぞれ独自のスタイルと特徴があります。
B2 noun /dɛk/

deck

デッキ / プラットフォーム
Meaning
A flat surface or platform, often on a ship or building.
Example
We enjoyed the sunset from the upper deck of the ferry.
私たちはフェリーの上デッキから夕日を楽しみました。
A2 noun dɪˈskrɪpʃən

description

説明
Meaning
A spoken or written account of a person, object, or event.
Example
His description was vivid.
彼の説明は生き生きとしていた。
B1 adjective /ˈdɪstənt/

Distant

遠い
Meaning
far away in space or time; remote
Example
We could see a distant mountain on the horizon.
私たちは地平線に遠くの山を見ることができました。
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。
C1 verb /druːp/

droop

垂れる
Meaning
to bend or hang downward; to become weak or tired
Example
The flowers began to droop in the heat.
花は暑さで垂れ始めました。
A2 verb /ˌdɪsəˈɡriː/

disagree

異議を唱える
Meaning
to have a different opinion; to not agree
Example
I disagree with your assessment of the situation.
私はあなたの状況評価に同意しません。