discernment
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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。
C1 verb /dɪˈspɛl/

dispel

解消する
Meaning
to make a doubt, feeling, or belief disappear
Example
The teacher's explanation dispelled the students' confusion.
先生の説明は学生たちの混乱を解消しました。
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。
B2 noun /ˈdrʌm.stɪk/

Drumstick

モリンガのさや
Meaning
long green pod vegetable from moringa tree; nutritious vegetable used in curries
Example
The drumstick adds a unique flavor to the traditional fish curry.
ドラムスティックは伝統的な魚カレーに独特な風味を加えます。
A2 verb /dɪˈstrɔɪ/

destroy

破壊する
Meaning
to damage something so badly that it cannot be used
Example
The fire destroyed the entire building.
火事が建物全体を破壊しました。
B2 verb /dæʃ/

dash

Meaning
to move quickly and suddenly; to strike or break something violently
Example
She dashed across the street to catch the bus.
C2 noun /ˈdɛkəˌlɔːɡ/

decalogue

Meaning
The Ten Commandments in the Bible; a set of fundamental rules or principles.
Example
The priest gave a sermon on the importance of the Decalogue.
A2 noun /ˈdɪfərəns/

difference

違い
Meaning
A point or way in which things are not the same.
Example
There is a big difference between theory and practice.
理論と実践の間に大きな違いがあります。
B2 adjective /dɪˈtætʃt/

detached

分離された, 無関心な
Meaning
separate or disconnected; showing a lack of emotional involvement
Example
He lived in a detached house away from the city.
彼は都市から離れた分離された家に住んでいました。
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。
A2 verb /ˌdɪsəˈpɪər/

disappear

消える
Meaning
to cease to be visible; to vanish
Example
The magician made the rabbit disappear.
マジシャンはウサギを消した。
A2 noun dɪˈvaɪs

device

デバイス, 装置, 機器
Meaning
A thing made or adapted for a particular purpose, especially a piece of mechanical or electronic equipment.
Example
This device improves efficiency in data processing.
このデバイスはデータ処理の効率を改善します。
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。
C1 noun /ˌdiː.kɒmpəˈzɪʃən/

decomposition

分解
Meaning
the process of decaying or breaking down into simpler parts
Example
The decomposition of leaves enriches the soil.
葉の分解は土壌を豊かにします。
C2 noun /dɪˈkrɛpɪˌtjuːd/

decrepitude

衰退
Meaning
the state of being old, weak, and worn out
Example
The once-great empire fell into decrepitude.
かつて偉大だった帝国は衰退しました。
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。
C2 noun /ˈdɛkəˌliːtər/

decaliter

10リットル
Meaning
A metric unit of capacity equal to ten liters.
Example
The container could hold up to one decaliter of water.
その容器は最大で1デカリットルの水を収納できます。
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。
B2 verb /ˈdɛzɪɡneɪt/

designate

指名する
Meaning
to officially assign, appoint, or indicate something or someone
Example
The committee will designate a new chairperson next week.
委員会は来週、新しい会長を指名する予定です。
A2 adjective /dɑːrk bluː/

Dark blue

ダークブルー
Meaning
a deep shade of blue color
Example
She wore a dark blue dress to the party.
彼女はパーティーにダークブルーのドレスを着て行った。
B1 adjective /dɪsˈɒnəst/

Dishonest

不正直な; 詐欺的な; ごまかしの
Meaning
not honest; fraudulent; deceitful
Example
The dishonest salesman tried to sell them a broken car.
その不正直な販売員は、壊れた車を売ろうとした。
C1 noun /ˌdɜːrməˈtɑːlədʒɪst/

dermatologist

皮膚科医
Meaning
A doctor who specializes in the treatment of skin diseases.
Example
She consulted a dermatologist for her skin allergy.
彼女は皮膚のアレルギーのために皮膚科医に相談した。
B1 adverb /ˈdeɪndʒərəsli/

Dangerously

危険に
Meaning
in a way that could cause harm or injury; riskily
Example
He was driving dangerously fast on the highway.
彼は高速道路で危険に速く運転していた。
C1 verb /dɪsˈhɑːrtn/

dishearten

落胆させる
Meaning
to cause someone to lose determination or confidence; to discourage
Example
The constant rejection letters began to dishearten the young writer.
継続的な拒否の手紙が若い作家を落胆させ始めた。
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.
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。
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。
C2 noun /doʊlt/

dolt

ばか
Meaning
A stupid or slow-witted person.
Example
Only a dolt would believe such a story.
そんな話を信じるのはばかだけだ。
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。
C2 verb /ˈdɛsɪkreɪt/

desecrate

冒涜する
Meaning
to treat a sacred place or object with disrespect or violation
Example
The vandals desecrated the ancient temple walls with graffiti.
ヴァンダルたちは古代の寺院の壁をグラフィティで冒涜しました。
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。
C1 noun delˈteɪɪk ˈlændskeɪp

deltaic landscape

デルタ地形
Meaning
A geographical area formed by sediment deposits at the mouth of a river, creating a triangular land formation.
Example
Bangladesh has a unique deltaic landscape.
バングラデシュにはユニークなデルタ地形があります。
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。
B2 verb, noun /dɒn/

don

着る / リーダー
Meaning
to put on (an article of clothing); also used as a title for a respected person
Example
She donned her coat before leaving.
彼女は出かける前にコートを着た。
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 verb /ˈduːdəl/

doodle

Meaning
To draw or scribble absentmindedly, often while thinking about something else.
Example
She doodled flowers in the corner of her notebook during class.
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。
B2 noun /dɪsˈpoʊzl/

disposal

廃棄
Meaning
the action or process of getting rid of something
Example
The disposal of waste is crucial for maintaining a clean environment.
廃棄物の処理は清潔な環境を維持するために重要です。
B2 adjective /dɪˈskriːt/

discreet

慎重な
Meaning
careful and prudent in one's speech or actions, especially to keep something confidential or avoid embarrassment
Example
She was discreet about the details of their conversation.
彼女は彼らの会話の詳細について慎重でした。
B2 noun /dɔːn/

Dawn

夜明け
Meaning
the first appearance of light in the sky before sunrise; the beginning or start of something
Example
The fishermen set out to sea before dawn to catch the morning tide.
漁師たちは夜明け前に海に出て、朝の潮を捕まえました。
B1 verb /dɪˈleɪ/

delay

遅延
Meaning
to make something happen later than planned
Example
The flight was delayed due to bad weather.
悪天候のため、飛行機が遅れました。
C1 adjective dɪsˈfʌŋkʃənl

dysfunctional

機能不全の
Meaning
Not operating normally or properly.
Example
The dysfunctional system led to numerous delays and errors.
機能不全のシステムは多くの遅延とエラーを引き起こしました。
C2 adjective /ˈdɪlətɔːri/

dilatory

遅延の
Meaning
Tending to cause delay; slow to act.
Example
The committee was criticized for its dilatory response to the crisis.
委員会は危機に対するその遅延反応で批判されました。
C1 adjective /dɪsˈkɔːrdənt/

discordant

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

Disciple

弟子; 信者
Meaning
a follower and student of a teacher, leader, or philosopher; devoted follower
Example
The famous philosopher had many disciples who spread his teachings worldwide.
その有名な哲学者には多くの弟子がいて、彼の教えを世界中に広めました。
C2 adjective /ˌdeɪ.kɒlˈteɪ/

decollete

深い胸元の衣装
Meaning
of a woman's dress or top, cut low so as to reveal the neck and upper chest
Example
She wore a decollete gown to the party.
彼女はパーティーで深い胸元のドレスを着ていました。
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.
C2 adjective /ˈdjuːtiəbl/

dutiable

課税対象
Meaning
subject to customs duty or tax
Example
Imported electronics are often dutiable at the border.
輸入された電子機器はしばしば国境で課税対象となります。
C1 noun /ˌdiː.viˈeɪ.ʃən/

Deviation

逸脱;定められたコースから外れること
Meaning
the action of departing from an established course; a departure from usual standards
Example
Any deviation from the established procedure must be reported immediately.
定められた手順からの逸脱は直ちに報告されなければなりません。
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。
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。
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。
B2 verb /dɪˈstrækt/

distract

気を散らす
Meaning
to take someone's attention away from what they are doing or focusing on
Example
The loud noise distracted her during the exam.
大きな音が試験中に彼女をディストラクトした。
A2 adverb /dəˈrɛktli/ or /daɪˈrɛktli/

directly

直接的に
Meaning
in a straight line or manner; without anything in between
Example
She spoke directly to the manager about her concerns.
彼女は自分の懸念について、マネージャーに直接話しました。
C2 noun/verb /dɪsˈfeɪvər/

disfavor

不支持 / 不快
Meaning
disapproval or dislike; to regard with disapproval
Example
The new policy fell into disfavor with the public.
新しい政策は一般の人々の間で不評を買いました。
B2 verb, noun /dɑːrt/

dart

ダート/急に走る
Meaning
to move suddenly and quickly; a small pointed missile thrown at a target
Example
The cat darted across the street to avoid the car.
猫は車を避けるために急いで道路を横切りました。
B2 noun /dɪˈdʌk.ʃən/

deduction

推論
Meaning
The process of reaching a conclusion through logical reasoning.
Example
His deduction from the evidence was accurate.
証拠から彼の推論は正確でした。
C2 noun /dɪˈmeɪn/

demesne

邸宅に付属する土地
Meaning
Land attached to a manor and retained for the owner's use.
Example
The castle was surrounded by its vast demesne.
その城は広大な邸宅に付属する土地に囲まれていました。
C2 noun /dɪˈsɛnʃən/

dissension

意見の相違
Meaning
Strong disagreement or difference of opinion, especially leading to discord within a group.
Example
The meeting ended in dissension among the committee members.
会議は委員会メンバー間の意見の相違で終了しました。
B2 adjective /ˈdespərət/

Desperate

絶望的
Meaning
reckless; extremely urgent; critical
Example
The situation became desperate as water supplies ran out.
水の供給が尽きたとき、状況は絶望的になった。
B1 adjective /drəˈmæt.ɪk/

Dramatic

ドラマチック; 突然で驚くべき; 興奮させると印象的
Meaning
relating to drama; sudden and striking; exciting and impressive
Example
The dramatic sunset painted the sky in brilliant colors.
ドラマティックな夕焼けが空を明るい色で染めた。
B2 noun /dɪˈveləpər/

developer

開発者
Meaning
a person or company that creates software, buildings, or land projects
Example
She works as a software developer at a tech company.
彼女はテクノロジー企業でソフトウェア開発者として働いています。
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 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 /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 /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。
C2 noun /draɪ ɡuːs ˈbɛri/

Dry goose berry

乾燥アムラ
Meaning
dehydrated amla fruit, rich in vitamin C and used for medicinal and culinary purposes
Example
Dry goose berry powder is excellent for hair growth.
乾燥アムラの粉末は、髪の成長に優れています。
C2 adjective /ˈdaʊ.di/

dowdy

時代遅れ / ださい
Meaning
unfashionable, dull, or shabby in appearance
Example
She wore a dowdy dress to the party.
彼女はパーティーに時代遅れのドレスを着ていた。
A2 noun /dɪˈsɪʒənz/

decisions

決定
Meaning
A conclusion or resolution reached after consideration; the action or process of deciding something.
Example
Making the right decisions in time was key to the project's success.
時間内に正しい決定を下すことがプロジェクトの成功の鍵でした。
C1 noun /ˈdɛsɪˌbɛl/

decibel

デシベル
Meaning
a unit used to measure the intensity of sound
Example
The noise level in the factory exceeded 90 decibels.
工場の騒音レベルは90デシベルを超えました。
C1 adjective /dɪˈʃɛvəld/

disheveled

乱れた
Meaning
Untidy, messy, or in disorder, especially of hair or clothing.
Example
He arrived with disheveled hair and wrinkled clothes.
彼は乱れた髪とシワの寄った服で到着しました。
B2 noun /ˈdaɪ.vər/

Diver

ダイバー
Meaning
a type of water bird that dives underwater to catch fish
Example
The diver disappeared beneath the surface to catch a fish.
ダイバーは魚を捕まえるために水面下に消えました。
C1 verb /dɪˈmɔrəˌlaɪz/

demoralize

Meaning
to cause someone to lose confidence or hope
Example
The constant criticism demoralized the young athlete.
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 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。
C1 adjective /dɪˈspɪrɪtɪd/

dispirited

落胆した
Meaning
Having lost enthusiasm, hope, or confidence; dejected.
Example
After losing the match, the team looked dispirited.
試合に負けた後、チームは落胆して見えた。
B2 noun /dɪsˈmeɪ/

Dismay

失望; 驚き
Meaning
concern and distress caused by something unexpected; consternation or alarm
Example
To our dismay, the concert was cancelled due to severe weather conditions.
私たちの失望の中、コンサートは悪天候のためキャンセルされました。
A2 noun /dɪʃ/

Dish

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。
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 verb /dɪˈplɔɪ/

deploy

展開する
Meaning
to position strategically; to use effectively
Example
The military will deploy troops to the border.
軍隊は国境に部隊を配備する。
B1 verb /dɪˈpɑːrt/

depart

Meaning
to leave, especially to start a journey
Example
The train will depart at 9 a.m.
A2 noun /ˈdraɪ.vər/

Driver

運転手
Meaning
a person who operates a motor vehicle
Example
The taxi driver knew all the shortcuts through the busy city.
タクシー運転手は忙しい街を通るすべての近道を知っていました。
C2 verb /dɪˈfoʊlieɪt/

defoliate

葉を落とす
Meaning
to strip leaves from a tree, plant, or area, often using chemicals
Example
The farmers defoliated the fields before harvest.
農家は収穫前に畑の葉を取り除きました。
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。
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.
B1 adverb /ˈdaʊnwədz/

Downwards

下向き
Meaning
towards a lower place or position; in a downward direction
Example
The ball rolled downwards along the slope.
ボールは坂を下向きに転がった。
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。
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。
B2 verb /dɪˈfaɪ/

defy

挑戦する
Meaning
to openly resist or refuse to obey someone or something; to challenge or dare someone to do something
Example
The protesters continued to defy the government's ban on public gatherings.
抗議者たちは政府の公共集会禁止令に対して引き続き挑戦しました。
C2 noun /ˈdrʌmɪt/

Drumet

ドラメット
Meaning
a small drum used in military or marching bands
Example
The drummer played a steady beat on the drumet during the parade.
ドラマーはパレード中にドゥルメットで一定のリズムを演奏しました。
B1 noun /ˈdez.ət/

Desert

砂漠
Meaning
a barren area of landscape with little precipitation; an arid region with sparse vegetation
Example
The Sahara Desert is one of the largest hot deserts in the world.
サハラ砂漠は世界で最も大きな熱砂漠の一つです。
C1 verb dɪˈsaɪ.fɚ

decipher

解読する, 暗号を解く, 翻訳する
Meaning
To convert something written in code into normal language; to succeed in understanding the meaning of something.
Example
It took hours to decipher the ancient script.
古代の文字を解読するのに何時間もかかりました。
C2 adjective /ˈdɪfɪdənt/

diffident

Meaning
Shy or lacking confidence in one's own abilities.
Example
He was too diffident to ask a question in class.
C2 adjective /dɪˈluːsəri/

delusory

幻想的な
Meaning
Based on illusion; not real.
Example
He was filled with delusory hopes of becoming famous overnight.
彼は一夜にして有名になるという幻想的な希望に満ちていた。
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 noun /ˌdɪsbɪˈliːvər/

disbeliever

不信者
Meaning
a person who does not believe in something, especially a religion or idea
Example
He was called a disbeliever for rejecting the traditional faith.
彼は伝統的な信仰を拒否したため、不信者と呼ばれました。
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。
C2 noun /dɪˈbɔːtʃəri/

debauchery

堕落
Meaning
excessive indulgence in sensual pleasures; corruption or vice
Example
The novel depicts the debauchery of the aristocrats in the city.
この小説は街の貴族たちの堕落を描いています。
B2 noun /dwɔːrf/

dwarf

小人
Meaning
a person, animal, or plant much smaller than average
Example
Snow White lived with seven dwarfs.
白雪姫は7人の小人と一緒に暮らしていました。
C2 noun /dɪsˈkwaɪɪtjuːd/

disquietude

Meaning
A state of uneasiness, anxiety, or restlessness.
Example
His constant pacing showed his inner disquietude.
B1 verb /dɪˈfaɪn/

define

定義する
Meaning
to explain the meaning of a word, phrase, or concept clearly
Example
The teacher asked the student to define the word 'democracy'.
先生は生徒に『民主主義』という言葉を定義するように頼んだ。
C2 noun /dɛnˈdrɒlədʒi/

dendrology

Meaning
the scientific study of trees and woody plants
Example
He is studying dendrology at the university.
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 verb /drɔːl/

drawl

だらだらと話す
Meaning
to speak in a slow, lazy way with prolonged vowel sounds
Example
He tends to drawl when he is tired.
彼は疲れているときに、だらだらと話す傾向があります。
B2 noun /ˌdiː.haɪˈdreɪʃən/

dehydration

脱水症
Meaning
A condition in which the body or tissue lacks adequate water content.
Example
Dehydration can lead to fatigue and confusion.
脱水は疲労と混乱を引き起こす可能性があります。
B1 verb /dɪˈlɪvər/

deliver

届ける
Meaning
to bring or hand over something to the intended recipient
Example
The courier will deliver the package tomorrow.
宅配便は明日荷物を届けます。
C2 adjective /dɪˈtɜːrmɪnət/

determinate

確定的
Meaning
having exact and definite limits or form
Example
The contract is for a determinate period of two years.
契約は2年間の確定した期間です。
B2 noun /dɪsˈɡaɪz/

Disguise

変装; 偽装
Meaning
a means of altering one's appearance to conceal one's identity; something that hides the truth
Example
The spy wore an elaborate disguise to avoid being recognized by enemies.
スパイは敵に認識されないように精巧な変装をしていた。
C2 verb /diːˈfrɑːk/

defrock

神父の職を剥奪する
Meaning
to officially remove a priest or minister from their position and authority
Example
The church decided to defrock the priest after the scandal.
教会はスキャンダルの後、神父を職務停止にしました。
C1 noun /ˌdɪp.ləˈmæt.ɪk ˈmaɪl.stəʊn/

diplomatic milestone

外交上のマイルストーン
Meaning
A significant achievement or important event in diplomatic relations.
Example
Hosting the summit was a diplomatic milestone.
サミットの開催は外交上のマイルストーンでした。
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。
B2 noun /ˈdreɪ.nɪdʒ/

drainage

排水
Meaning
the system or process by which water or other liquids are drained away
Example
Poor drainage caused flooding in the neighborhood.
悪い排水システムが近所での洪水を引き起こしました。
A2 verb, noun /dɪsˈlaɪk/

dislike

嫌う
Meaning
to feel distaste or aversion for someone or something; a feeling of aversion
Example
I really dislike eating spicy food.
私は本当に辛い食べ物を食べるのが嫌いです。
B2 noun /daɪˈmen.ʃənz/

dimensions

次元
Meaning
Aspects or features of a situation, problem, or thing.
Example
New dimensions of space exploration are being uncovered.
宇宙探査の新しい次元が明らかになっています。
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。
C2 adjective /ˈdɒdərɪŋ/

doddering

震えている / 弱い
Meaning
Weak, shaky, or unsteady, especially due to old age.
Example
The doddering professor struggled to climb the stairs.
ドダリング教授は階段を登るのに苦労していました。
A2 verb /ˈdʌbəl/

double

倍増する
Meaning
to make twice as much in size, number, or amount
Example
The company hopes to double its profits this year.
会社は今年、利益を倍増させることを望んでいます。
C2 adjective /ˈdʌktaɪl/

ductile

延性
Meaning
capable of being stretched into a thin wire without breaking; easily influenced
Example
Gold is a very ductile metal.
金は非常に延性のある金属です。
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。
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。