delineation
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英語 BN ベンガル語 HI ヒンディー語 ES スペイン語 FR フランス語 DE ドイツ語 RU ロシア語 ZH 中国語 JA 日本語
All Vocabulary Cards All Vocabularies
C2 noun /dɪˌlɪniˈeɪʃən/

delineation

delineation
Meaning
the precise description, drawing, or outlining of something
Example
The artist’s delineation of the landscape was remarkably accurate.
アーティストの風景のデリニエイションは驚くほど正確でした。
B2 verb dɪsˈrʌpt

disrupt

破壊する
Meaning
To interrupt or disturb the normal progress or activity of something.
Example
Individual pursuits disrupt social harmony.
個々の追求は社会的調和を破壊します。
B2 noun /djʊˈreɪʃən/

duration

期間
Meaning
the length of time that something continues
Example
The meeting lasted for the duration of two hours.
会議は2時間の期間続きました。
A2 adjective /ˈdɪdʒ.ɪ.təl/

digital

デジタル
Meaning
Relating to, using, or storing data or information in the form of digital signals; involving or relating to the use of computer technology.
Example
The world is shifting towards a digital economy.
世界はデジタル経済に向かっています。
C1 verb /dɪsˈkleɪm/

disclaim

否定する
Meaning
to deny responsibility or connection with something
Example
The company disclaimed responsibility for the accident.
その会社は事故に対する責任を否定しました。
B2 noun /dɪsˈkʌmfərt/

discomfort

不快感
Meaning
A feeling of slight pain, unease, or awkwardness.
Example
She shifted in her chair due to discomfort in her back.
彼女は背中の不快感のために椅子で動きました。
C2 adjective /ˈdɪsəluːt/

dissolute

放蕩
Meaning
lacking moral restraint; indulging excessively in sensual pleasures
Example
He led a dissolute life filled with parties and gambling.
彼はパーティーとギャンブルで満ちた放蕩の生活を送った。
B1 verb /ˈdɛmənˌstreɪt/

demonstrate

示す
Meaning
to clearly show or prove something through evidence, explanation, or action
Example
The teacher demonstrated the experiment to the class.
先生はクラスに実験をデモンストレートしました。
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。
A2 noun /ˈdɪfɪkəlti/

difficulty

Meaning
the state or condition of being hard to do, deal with, or understand
Example
He faced great difficulty in learning a new language.
C2 noun /dəˈɡerəˌtaɪp/

daguerreotype

古い写真
Meaning
An early type of photograph produced on a silver or silver-covered copper plate.
Example
The museum displayed a rare daguerreotype of Abraham Lincoln.
博物館にはアブラハム・リンカーンの珍しいダゲレオタイプが展示されていました。
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。
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。
C2 noun /dɪˈsweɪʒən/

dissuasion

説得しないこと
Meaning
The act of persuading someone not to take a course of action.
Example
Her dissuasion prevented him from making a bad investment.
彼女の説得しないことは、彼が悪い投資をしないようにしました。
C1 noun /djuːˈɛt/

duet

デュエット
Meaning
a musical performance by two singers or instrumentalists
Example
They sang a beautiful duet together on stage.
彼らはステージで一緒に美しいデュエットを歌った。
C2 noun /ˌdɛspəˈrɑːdoʊ/

desperado

Meaning
A bold, reckless, or dangerous person, often a criminal.
Example
The sheriff was determined to capture the desperado who terrorized the town.
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。
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。
B2 noun /den/

Den

巣穴; 快適な部屋; 不法活動の場所
Meaning
a wild animal's lair or home; a small, comfortable room; a place for illegal activities
Example
The fox disappeared into its den when it sensed danger approaching.
キツネは危険が迫るのを感じて、巣穴に姿を消しました。
B2 noun /ˈder.ɪŋ/

Daring

大胆; 危険を冒す意欲
Meaning
adventurous courage; willingness to take risks
Example
The mountain climber's daring impressed everyone at the base camp.
山登りの冒険心は、ベースキャンプの皆に感動を与えました。
B2 adjective /ˈdɪl.ɪ.dʒənt/

Diligent

勤勉な
Meaning
hardworking and careful; showing persistent effort
Example
She is a diligent student who studies every day.
彼女は毎日勉強している勤勉な学生です。
A2 noun /ˈdiː.teɪl/

detail

詳細
Meaning
An individual feature, fact, or item of information.
Example
She explained the plan in great detail.
彼女は計画を詳細に説明しました。
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 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。
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。
B1 verb/noun /ˈdiːkriːs/ (noun), /dɪˈkriːs/ (verb)

decrease

Meaning
To become or make something smaller or fewer in number, amount, or degree.
Example
The population of the town has decreased over the years.
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。
C2 noun /ˌdɪvɪˈneɪʃən/

divination

占い
Meaning
the practice of seeking knowledge of the future or the unknown by supernatural means
Example
Ancient people often relied on divination to guide important decisions.
古代の人々は重要な決定を導くために占いに頼ることがよくありました。
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。
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 /ˈdɪsɪdənt/

dissident

反体制派
Meaning
A person who opposes official policy, especially that of an authoritarian state.
Example
The dissident was arrested for speaking against the government.
反体制派は政府に対する発言で逮捕された。
C1 adjective /diːˈsɛntrəlaɪzd/

decentralized

分散型
Meaning
Controlled by several local offices or authorities rather than one single one.
Example
The decentralized system allowed for more control at local levels.
分散型システムは、ローカルレベルでのより多くの制御を可能にしました。
C2 adjective /dɪsˈkɒnsələt/

disconsolate

慰めようのない
Meaning
very unhappy and unable to be comforted
Example
She was disconsolate after hearing the bad news.
悪い知らせを聞いた後、彼女は慰めようのない状態でした。
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 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。
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 adjective /dɪˈbeɪst/

debased

劣化した
Meaning
having lost quality, value, or moral character
Example
The debased currency lost the trust of the people.
劣化した通貨は人々の信頼を失った。
B1 adjective /ˈdiːsənt/

decent

立派
Meaning
conforming to standards of propriety, good taste, or morality
Example
He found a decent job after months of searching.
彼は数ヶ月の探しの後、立派な仕事を見つけました。
B1 noun /ˌdes.tɪˈneɪ.ʃən/

Destination

目的地
Meaning
the place to which someone or something is going; the ultimate purpose or end point
Example
Paris was their dream destination for their honeymoon trip.
パリは彼らのハネムーン旅行の夢の目的地でした。
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。
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。
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。
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。
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。
C1 adjective /dɪˈfɪʃənt/

Deficient

不足している
Meaning
not having enough of a specified quality or ingredient; lacking or inadequate
Example
His diet was deficient in essential vitamins.
彼の食事は必要なビタミンが不足していた。
C2 adjective /dɪˈspjuːtəbl/

Disputable

議論の余地がある; 疑わしい
Meaning
open to debate or argument; questionable
Example
The facts in the case are disputable and need further investigation.
その事件の事実は議論の余地があり、さらなる調査が必要です。
C2 verb /ˌdɪsɪnˈfræntʃaɪz/

disenfranchise

権利を奪う
Meaning
To deprive someone of the right to vote or other rights.
Example
The new law could disenfranchise thousands of voters.
新しい法律は何千人もの有権者を投票権から外す可能性があります。
A1 noun /dɔːr/

Door

ドア
Meaning
a movable barrier used to close an entrance to a building or room
Example
Please close the door when you leave the room.
部屋を出るときはドアを閉めてください。
B2 verb /dɪˈnaʊns/

denounce

非難する
Meaning
To publicly declare something to be wrong, evil, or condemn strongly.
Example
The leader denounced corruption in his speech.
リーダーはスピーチで汚職を非難しました。
C2 adjective /ˈdæpəld/

dappled

斑点模様
Meaning
Marked with spots or patches of light and shade or different colors.
Example
The forest floor was dappled with sunlight.
森の地面は日光で斑点模様ができていた。
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。
B2 noun /dɪˈrɛktəri/

directory

ディレクトリ
Meaning
a book or online resource listing people, businesses, or services with relevant details
Example
I need to find a plumber in the phone directory.
電話帳で配管工を探さなければなりません。
B2 verb /dɪˈpraɪv/

deprive

Meaning
to take something away from someone, or prevent them from having it
Example
The new law may deprive people of their rights.
C2 noun /ˈdjʊərəns/

durance

監禁
Meaning
imprisonment or confinement
Example
The prisoner spent years in durance before his release.
囚人は解放される前に数年間監禁されていた。
C1 noun /dɪˈmiːnər/

demeanor

態度
Meaning
a person's outward behavior or appearance
Example
Her calm demeanor impressed everyone at the meeting.
彼女の冷静な態度は会議で皆に感銘を与えました。
B1 noun /ˈdɪstrɪkt/

district

地区
Meaning
a specific area of a country, city, or town, often with official boundaries
Example
She lives in the northern district of the city.
彼女は街の北地区に住んでいます。
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。
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.
A2 verb /dɪˈskraɪb/

describe

説明する
Meaning
to give an account of something in words, including details
Example
She described the scene vividly.
彼女はそのシーンを鮮明に説明した。
B2 adjective daɪˈdʒes.tɪv

digestive

消化の
Meaning
Relating to the digestion of food.
Example
Digestive enzymes help break down food.
消化酵素は食べ物を分解するのを助けます。
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 noun /dɪˈfɛkʃən/

defection

脱党
Meaning
The act of abandoning one’s country, cause, or group in favor of another.
Example
The politician’s defection shocked his supporters.
その政治家の脱党は支持者を驚かせました。
B1 verb /dɪˈpɛndɪŋ/

depending

依存する
Meaning
Being contingent on or influenced by something.
Example
The success of the plan is depending on the team's effort.
計画の成功はチームの努力に依存しています。
B1 verb /daɪn/

dine

食事する
Meaning
to eat a meal, especially the main meal of the day
Example
We usually dine at seven o'clock in the evening.
私たちは通常、夕方七時に食事します。
B1 noun /ˌdiː.enˈeɪ/

dna

デオキシリボ核酸
Meaning
Deoxyribonucleic acid, the molecule that carries genetic information in living organisms.
Example
Scientists extracted DNA from the ancient bones.
科学者たちは古代の骨からDNAを抽出しました。
C1 noun dɪˈpliː.ʃən

depletion

枯渇
Meaning
The gradual reduction or exhaustion of a resource or substance.
Example
Overuse of groundwater leads to depletion of water resources.
地下水の過剰使用は水資源の枯渇を引き起こす。
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。
B2 adjective /dɪˈstɪŋktɪv/

distinctive

特徴的
Meaning
having a quality or characteristic that makes something different and easily noticed
Example
The restaurant is known for its distinctive flavors.
そのレストランは独特の風味で知られています。
A2 noun /ˈden.tɪst/

Dentist

歯医者
Meaning
a medical professional who treats teeth and oral health
Example
I need to visit the dentist for a regular checkup.
定期検診のために歯医者に行かなければなりません。
B2 verb /dɪsˈmɪs/

dismiss

解雇する, 却下する
Meaning
to remove someone from a job or position; to decide something is not important
Example
The manager dismissed the employee for being late too often.
マネージャーは遅刻が多すぎるため、従業員を解雇しました。
B2 verb /dɪˈstɪŋɡwɪʃ/

distinguish

区別する
Meaning
to recognize or show the differences between two or more things; to set apart as different
Example
It can be difficult to distinguish between truth and rumor.
真実と噂を区別するのは難しいかもしれません。
C1 noun /dɪˌlɪb.əˈreɪ.ʃənz/

deliberations

審議
Meaning
Careful consideration and discussion before making decisions.
Example
Deliberations on sustainability continued for hours.
持続可能性についての審議は何時間も続きました。
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。
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。
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 /diːˈfjuːz/

defuse

Meaning
To make a situation less dangerous, tense, or explosive; to remove a fuse from a bomb.
Example
The negotiator helped defuse the tense situation.
B1 noun /dɪˈvɪʒən/

division

部門
Meaning
the action of separating something into parts; or a large administrative unit
Example
The company has a separate division for research and development.
会社には研究開発のための専用の部門があります。
C2 noun /ˌdɪpsəˈmeɪniæk/

dipsomaniac

アルコール中毒者
Meaning
A person with an uncontrollable craving for alcoholic drinks.
Example
The novel portrayed the tragic downfall of a dipsomaniac who lost everything to alcohol.
その小説はアルコールに全てを失ったアルコール中毒者の悲劇的な転落を描いています。
C1 verb /dɪˈsweɪd/

dissuade

思いとどまらせる
Meaning
To persuade someone not to do something.
Example
She tried to dissuade him from quitting his job.
彼女は彼に仕事を辞めさせないように説得しようとした。
B2 verb /ˈdɛvəˌsteɪt/

devastate

荒廃させる
Meaning
to cause severe and overwhelming destruction or damage
Example
The hurricane devastated the coastal town.
ハリケーンは沿岸の町を荒廃させた。
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。
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。
B2 noun dɪˈplɔɪmənt

deployment

展開
Meaning
The action of bringing resources into effective action.
Example
The deployment of the new software was completed successfully.
新しいソフトウェアの展開は成功裏に完了しました。
B2 verb /drɪft/

drift

漂う
Meaning
to move slowly, especially by air or water currents
Example
The boat began to drift away from the shore.
ボートは岸から離れ始めた。
C2 adjective /dɪˈmoʊniˌæk/

demoniac

悪魔的な
Meaning
possessed, produced, or influenced by a demon; frenzied or violent
Example
The soldiers fought with demoniac fury.
兵士たちは悪魔的な怒りで戦った。
A1 noun/verb /deɪt/

date

Meaning
A particular day of the month or year; also, a social or romantic appointment.
Example
They decided to meet on the date of her birthday.
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。
B1 adjective ˌdem.əˈkræt.ɪk

democratic

民主的
Meaning
Relating to or supporting democracy or its principles.
Example
Democratic governance ensures equal rights.
民主的な統治は平等な権利を保証します。
B2 verb /ˌdɪskəˈnɛkt/

disconnect

Meaning
to detach or separate from a connection or source
Example
Please disconnect the charger from the power outlet.
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。
C2 adjective /ˈdɔːnt.ləs/

dauntless

無敵の、勇敢な、決然とした
Meaning
Showing fearlessness and determination; brave and resolute.
Example
The dauntless soldier fought against all odds.
無敵の兵士はすべての困難に立ち向かった。
C2 verb /dɪˈkleɪm/

declaim

Meaning
to speak aloud in a formal, passionate, or theatrical way
Example
The actor declaimed his lines with great intensity.
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 verb /daɪˈvɜːrt/

divert

Meaning
to turn aside from a course; to redirect or entertain
Example
The police diverted traffic to a side road.
B2 verb /doʊz/

doze

うたた寝
Meaning
To sleep lightly for a short time.
Example
He dozed off while reading the book.
彼は本を読みながらうたた寝をした。
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。
B2 noun /dɪˈstɪŋk.ʃən/

Distinction

卓越; 優秀; 名誉
Meaning
a difference or contrast between similar things; excellence that sets someone apart; honor or recognition
Example
She graduated with distinction, earning the highest honors in her class.
彼女は優秀な成績で卒業し、クラスで最も高い栄誉を得ました。
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 /ˈdʌmi/

dummy

ダミー / バカな人
Meaning
a model or replica of a human used for practice, display, or testing; also a term for a foolish person
Example
The tailor used a dummy to display the dress.
仕立て屋はドレスを展示するためにダミーを使った。
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。
A2 noun /dɪˈlɪv.ə.ri/

Delivery

配達; 出産
Meaning
the action of delivering letters, parcels, or goods; the process of giving birth
Example
The delivery of the package was delayed due to bad weather conditions.
パッケージのデリバリーは悪天候のため遅れました。
B2 noun /dɪsˈɡreɪs/

Disgrace

恥辱; 不名誉; 恥ずかしい
Meaning
loss of reputation or respect as the result of a dishonorable action; a shameful situation
Example
His arrest brought disgrace upon his entire family and reputation.
彼の逮捕は彼の家族全体と評判に恥辱をもたらした。
B1 adverb /ˈdiːp.li/

Deeply

深く; 強く; 深く
Meaning
to a great depth; intensely; profoundly
Example
She breathed deeply before making her decision.
彼女は決断を下す前に深く息を吸いました。
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。
C2 adjective /daɪˈæfənəs/

diaphanous

透けている
Meaning
Light, delicate, and translucent.
Example
She wore a diaphanous dress that shimmered in the sunlight.
彼女は太陽の光の中で輝く透けているドレスを着ていた。
B1 noun, verb /dɪˈzaɪər/

desire

欲望
Meaning
a strong feeling of wanting something or wishing for something to happen
Example
He has a strong desire to travel the world.
彼は世界を旅行したいという強い欲望を持っています。
B1 verb /dɪˈklɛər/

declare

宣言する
Meaning
To announce something formally or officially.
Example
The government declared a state of emergency.
政府は緊急事態を宣言しました。
B2 noun /ˌdɪsəˈpruːvəl/

disapproval

不賛成
Meaning
The expression of an unfavorable opinion or judgment
Example
Her parents showed clear disapproval of her decision to drop out of college.
彼女の両親は、大学を中退するという彼女の決定に明確な不賛成を示した。
C1 phrase ˌdɪp.ləˈmæt.ɪk rɛz.əˈluː.ʃən

diplomatic resolution

外交的解決
Meaning
A peaceful solution to conflicts through negotiation and diplomatic channels.
Example
A diplomatic resolution is necessary for peace.
平和には外交的解決が必要です。
B1 verb /dɪp/

dip

浸す
Meaning
to put something quickly into a liquid and take it out again
Example
She dipped her bread into the soup.
彼女はパンをスープに浸しました。
C2 adjective /ˌdaɪəˈbɒlɪk/

diabolic

悪魔的
Meaning
Extremely evil or cruel; characteristic of the devil.
Example
The villain devised a diabolic scheme.
悪役は悪魔的な計画を立てた。
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。
C1 adjective /dɪsˈkwaɪətɪŋ/

disquieting

不安を引き起こす
Meaning
Causing worry, unease, or anxiety.
Example
The news report was deeply disquieting to the public.
そのニュース報告は公衆にとって非常に不安を引き起こすものでした。
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。
C1 adjective /dɪˈsɪd.ju.əs/

deciduous

落葉樹
Meaning
Referring to trees that shed their leaves seasonally, typically in autumn.
Example
Oak and maple trees are deciduous, shedding leaves in autumn.
オークとカエデの木は落葉樹で、秋に葉を落とします。
C1 adjective, noun /ˈdɛrəlɪkt/

derelict

放棄された
Meaning
in poor condition due to neglect or disuse; a homeless or neglected person
Example
The old factory stood derelict for decades.
古い工場は何十年も放置されていました。
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 /ˈdəʊ.lə.rəs/

dolorous

Meaning
Expressing great sorrow or distress.
Example
He spoke in a dolorous tone after the loss.
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 verb/noun /ˌdɪsrɪˈɡɑːrd/

disregard

軽蔑
Meaning
To ignore something; lack of consideration or respect for something.
Example
He disregarded the warning signs and kept driving.
彼は警告のサインを無視して運転し続けました。
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。