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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 /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。
B2 verb dɪˈtɪəriəreɪt

deteriorate

悪化する
Meaning
To become progressively worse in quality, condition, or performance; to decline.
Example
Unplanned growth can deteriorate living conditions.
計画外の成長は生活環境を悪化させる可能性があります。
C2 adjective /ˈdɪstəl/

distal

遠位
Meaning
situated away from the center of the body or from the point of attachment
Example
The doctor examined the distal end of the patient’s arm.
医者は患者の腕の遠位端を調べました。
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。
C2 adjective /daɪˈɡrɛsɪv/

digressive

主題から外れる傾向
Meaning
Tending to depart from the main subject in speech or writing.
Example
The speaker's digressive style made the lecture difficult to follow.
話者のダイグレッシブなスタイルは講義を追いかけるのを難しくした。
B2 verb /dɪˈmɪnɪʃ/

diminish

Meaning
to make or become less; to reduce in size, importance, or value
Example
Over time, his influence in the company began to diminish.
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 adjective /drəˈkoʊniən/

draconian

ドラコニアン
Meaning
Extremely harsh and severe, especially laws or rules.
Example
The new regulations were criticized as draconian.
新しい規制はドラコニアンだと批判されました。
B2 verb /ˌdɪfəˈrɛnʃieɪt/

differentiate

区別する
Meaning
To recognize or make a distinction between things.
Example
It is important to differentiate between fact and opinion.
事実と意見を区別することは重要です。
A2 noun /dəˈrɛkʃən/ or /daɪˈrɛkʃən/

direction

方向, 指示
Meaning
the course or path on which someone or something is moving; instructions on what to do
Example
He asked for directions to the train station.
彼は駅への行き方を尋ねました。
C1 noun /ˈdæɡ.ər/

Dagger

短剣
Meaning
a short knife with a pointed blade used as a weapon
Example
The ancient warrior carried a silver dagger.
古代の戦士は銀の短剣を携えていた。
C1 adjective /ˈdesələt/

Desolate

荒涼; 孤独; 不毛
Meaning
deserted; lonely; barren
Example
The abandoned village looked desolate and empty.
放棄された村は荒涼として空っぽに見えた。
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。
C2 noun /draɪd roʊz ˈpɛtəlz/

Dried Rose Petals

乾燥ローズの花びら
Meaning
dehydrated petals from roses used for culinary and aromatic purposes
Example
The dessert was garnished with dried rose petals.
デザートは乾燥ローズの花びらで飾られていました。
C1 verb /dɔːnt/

daunt

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

distraught

動揺した
Meaning
extremely upset and anxious, often to the point of being unable to think clearly
Example
She was distraught after losing her pet.
ペットを失った後、彼女は動揺していた。
C1 noun /drɑːft/ (UK), /dræft/ (US)

draught

Meaning
a current of cool air in a room or another confined space; also a portion of liquid, especially beer, served from a barrel or cask
Example
She closed the window to keep out the cold draught.
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 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。
B2 noun /duːm/

doom

運命
Meaning
A terrible fate, destruction, or unavoidable bad outcome.
Example
The ancient prophecy foretold the city’s doom.
古代の予言は都市の運命を予見していた。
C1 adjective /dɪsˈrɛpjətəbl̩/

disreputable

不名誉な
Meaning
having a bad reputation; not considered respectable or trustworthy
Example
The journalist avoided staying in the disreputable part of town.
ジャーナリストは町の不名誉な地区に泊まるのを避けました。
B2 adjective /ˈdʌsti/

dusty

ほこりっぽい
Meaning
covered with or full of dust; dry and dull from lack of moisture or use
Example
The old bookshelf was dusty after years of neglect.
何年も放置された後、その古い本棚はほこりっぽかった。
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。
C1 adjective /ˈdɪzməl/

Dismal

陰気な; 落ち込んだ; 悲しい
Meaning
gloomy; depressing; causing sadness or despair
Example
The weather was dismal with heavy rain and dark clouds.
天気は雨と暗い雲で陰気でした。
C2 noun /drʌdʒ/

drudge

働き者
Meaning
A person made to do hard, menial, or dull work.
Example
He felt like a drudge, stuck in repetitive tasks all day.
彼は一日中、繰り返しの仕事に縛られている働き者のように感じていた。
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。
B1 verb /dræɡ/

drag

引きずる
Meaning
to pull something heavy or difficult to move along the ground; to go somewhere unwillingly; to last too long
Example
She had to drag the heavy suitcase up the stairs.
彼女は重いスーツケースを階段で引きずらなければならなかった。
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。
C1 verb, noun /dɪsˈkrɛdɪt/

discredit

信用を失わせる
Meaning
To harm the reputation of someone or something; loss of respect or credibility.
Example
The scandal discredited the politician in the eyes of the public.
スキャンダルは公衆の目で政治家を信用を失わせました。
C1 adjective /dɪˈvɪzəbl/

divisible

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

dysentery

腸の病気（血液と粘液を伴う下痢）
Meaning
An infection of the intestines resulting in severe diarrhea with blood and mucus.
Example
Many soldiers suffered from dysentery during the war.
多くの兵士たちは戦争中にディスエントリーに苦しんだ。
C2 verb /dɪsˈkʌmfɪt/

discomfit

困惑させる
Meaning
to make someone feel uneasy, embarrassed, or confused
Example
The interviewer’s tough questions discomfited the candidate.
インタビュアーの厳しい質問が候補者を困惑させた。
B1 noun /dɪˈskʌvəri/

discovery

発見
Meaning
The act of finding or learning something for the first time.
Example
The discovery of penicillin changed medical history.
ペニシリンの発見は医学の歴史を変えた。
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。
C2 verb /drəˈɡuːn/

dragoon

強制する
Meaning
to force someone to do something through coercion or intimidation
Example
The manager tried to dragoon the team into working overtime.
マネージャーはチームに残業させようとしました。
C1 noun /ˈdɑːsieɪ/

dossier

ファイル
Meaning
A collection of documents about a particular person, event, or subject.
Example
The lawyer presented a dossier of evidence to the court.
弁護士は証拠のドシエを裁判所に提出しました。
C2 noun /ˌdiːlɛkˈteɪʃən/

delectation

喜び
Meaning
great pleasure or delight
Example
She read the story aloud for the delectation of her friends.
彼女は友達の喜びのために物語を大声で読みました。
B2 noun /dɪˈstrækʃənz/

distractions

気を散らすもの
Meaning
Things that prevent someone from concentrating on something else.
Example
Eliminate distractions for better productivity.
生産性を高めるために、気を散らすものを排除してください。
C2 noun /ˈdrɪvəl/

drivel

戯言
Meaning
silly or nonsensical talk
Example
The politician’s speech was full of meaningless drivel.
政治家の演説は意味のない戯言でいっぱいだった。
C2 noun /ˌdiːnəʊˈteɪʃən/

denotation

指示
Meaning
The literal or primary meaning of a word, in contrast to the feelings or ideas that the word suggests.
Example
The denotation of the word 'rose' is a type of flower.
'ローズ'という単語のデノテーションは花の一種です。
A2 noun /ˈdaɪət/

diet

ダイエット
Meaning
the kinds of food that a person usually eats
Example
He follows a strict vegetarian diet.
彼は厳格なベジタリアンダイエットを実践しています。
C1 noun /ˈdrʌdʒəri/

drudgery

退屈で骨の折れる仕事
Meaning
Hard, menial, or dull work.
Example
She wanted to escape the drudgery of her daily routine.
彼女は日常の退屈なルーチンから抜け出したかった。
B2 verb /dɪˈskrɪmɪˌneɪt/

discriminate

Meaning
To treat someone unfairly based on race, gender, or other differences; or to recognize a distinction.
Example
The law prohibits employers from discriminating against women.
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。
C1 verb /ˌdɪsɪmˈbɑːrk/

disembark

降りる
Meaning
To leave a ship, aircraft, or other vehicle.
Example
The passengers disembarked from the plane after landing.
乗客は着陸後、飛行機から降りました。
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。
B2 adjective /ˈdæz.lɪŋ/

Dazzling

眩しい; 印象的な
Meaning
extremely bright and impressive; brilliant and stunning
Example
The dazzling lights of the city amazed the tourists.
その都市の眩い光は観光客を驚かせました。
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 noun ˌdiː.fɒr.ɪˈsteɪ.ʃən

deforestation

森林伐採
Meaning
The action of clearing a wide area of trees; the permanent destruction of forests in order to make the land available for other uses.
Example
Deforestation accelerates the loss of biodiversity.
森林伐採は生物多様性の喪失を加速させます。
B1 noun dɪˈskʌvəriz

discoveries

発見
Meaning
The action or process of finding or learning something for the first time; facts or things discovered.
Example
His discoveries revolutionized multiple fields.
彼の発見は複数の分野で革命を起こした。
B2 noun /dɪˈpen.dənt/

Dependent

依存している; 扶養されている
Meaning
a person who relies on another for financial support; someone who depends on others
Example
As a tax dependent, she could not file her own tax return separately.
税金の扶養控除対象者として、彼女は自分の税務申告を別々に提出することができませんでした。
C2 verb /ˌdɛlɪˈkwɛs/

deliquesce

空気中の水分を吸収して液体になる
Meaning
to become liquid by absorbing moisture from the air
Example
The salt began to deliquesce after being left in the humid room.
塩は湿度の高い部屋に置かれた後、液体に変わり始めました。
C2 adjective /dɪˈsɛnʃənt/

dissentient

反対意見を持つ人
Meaning
Expressing or holding opinions that are opposed to the majority or official view.
Example
Only a few dissentient voices were heard during the debate.
討論中に反対意見を持つ少数の声だけが聞こえました。
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。
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 /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 /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 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 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。
A2 noun /ˈdaɪnɪŋ/

dining

食事
Meaning
the act of eating a meal, especially in a formal setting
Example
We enjoyed fine dining at the new restaurant.
私たちは新しいレストランで素晴らしい食事を楽しみました。
B2 noun/verb /dɪˈpɑːzɪt/

deposit

預金, 手付金
Meaning
to place money in a bank account, or a sum paid in advance as security; a layer of material left naturally
Example
She deposited $500 into her savings account.
彼女は貯金口座に500ドルを預けました。
C2 noun /ˌdɛkləˈmeɪʃən/

declamation

朗読
Meaning
a formal speech delivered with rhetorical or dramatic effect
Example
Her declamation captivated the audience at the competition.
彼女の朗読は競技会で観客を魅了しました。
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。
C1 verb /dɪsˈbænd/

disband

解散する
Meaning
to break up and stop functioning as a group or organization
Example
The club decided to disband after twenty years of activity.
クラブは20年の活動後に解散することを決定した。
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。
C2 adjective /dɪˈluːsɪv/

delusive

欺瞞的
Meaning
Giving a false or misleading impression; deceptive.
Example
His promises turned out to be delusive and untrustworthy.
彼の約束は欺瞞的で信頼できないことが証明されました。
C2 adjective /ˈdɛndrɔɪd/

dendroid

樹状の
Meaning
tree-shaped or branching like a tree
Example
The coral has a dendroid structure.
サンゴはデンドロイド構造を持っています。
B2 adjective /ˌdɪsəˈbiːdiənt/

Disobedient

不従順な
Meaning
refusing to obey rules or authority; rebellious
Example
The disobedient child refused to follow the rules.
その不従順な子供はルールに従うことを拒否しました。
C2 verb /dɪˈstreɪn/

distrain

差し押さえる
Meaning
to seize someone's property in order to obtain payment of rent or other money owed
Example
The landlord distrained the tenant's furniture for unpaid rent.
家主は未払いの家賃のために借家人の家具を差し押さえました。
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。
B2 noun ˈdevəsteɪtɪŋ ˈkɒnsɪkwənsɪz

devastating consequences

壊滅的な結果
Meaning
Extremely harmful or destructive results or effects
Example
Air pollution has devastating consequences for health.
大気汚染は健康に壊滅的な結果をもたらす。
C1 noun /ˌdɪs.kʌl.əˈreɪ.ʃən/

discoloration

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

decry

非難する
Meaning
to publicly criticize or express strong disapproval of something
Example
Many activists decry the destruction of the rainforest.
多くの活動家が熱帯雨林の破壊を非難しています。
A2 adjective, noun /dɛd/

dead

死んだ
Meaning
No longer alive; the end of life.
Example
The old tree is completely dead.
その古い木は完全に死んでいる。
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。
C2 noun /dɪˌsɪdəˈreɪtəm/

desideratum

必要な物
Meaning
something that is desired or considered necessary
Example
For many students, financial aid is a desideratum.
多くの学生にとって、経済援助は必要な物です。
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 /dɪˈbeɪs/

debase

低下させる
Meaning
to reduce the quality, value, or dignity of something
Example
Corruption can debase the values of a society.
腐敗は社会の価値観を低下させる可能性があります。
C2 adjective /ˈdɛprɪkətɔːri/

deprecatory

軽蔑的な
Meaning
expressing disapproval or belittling
Example
He gave a deprecatory remark about their performance.
彼は彼らのパフォーマンスについて軽蔑的なコメントをしました。
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。
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。
B2 adjective /dɪˈvɔːrst/

divorced

離婚した
Meaning
No longer married because the marriage has been legally dissolved.
Example
She has been divorced for five years.
彼女は5年間離婚したままだ。
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 adjective /dɪˈpreɪvd/

depraved

堕落した
Meaning
morally corrupt or wicked
Example
The film depicts the life of a depraved criminal.
その映画は堕落した犯罪者の人生を描いています。
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 /dɪˈskʌr.ɪ.dʒɪŋ/

Discouraging

落胆させる
Meaning
making someone feel less confident or enthusiastic about doing something
Example
The coach's discouraging words affected the team's morale.
コーチの落胆させる言葉は、チームの士気に影響を与えました。
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。
A2 noun /ˈdaɪəri/

diary

日記
Meaning
a book in which one keeps a daily record of events and experiences
Example
She wrote about her day in her diary before going to bed.
彼女は寝る前に日記にその日の出来事を書きました。
B2 adjective /ˈded.li/

Deadly

致命的な; 死亡の; 危険な
Meaning
causing or able to cause death; extremely dangerous; lethal
Example
The deadly poison killed the plant instantly.
致命的な毒はその植物を瞬時に殺しました。
B2 adjective /ˌdɪp.ləˈmæt.ɪk/

Diplomatic

外交的; 人間関係をうまく扱うことができる
Meaning
relating to diplomacy; tactful; skilled in managing relationships
Example
She gave a diplomatic answer to avoid offending anyone.
彼女は誰も怒らせないように外交的な答えをしました。
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 /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。
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。
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。
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。
C2 noun /dɪˈspɔɪlər/

despoiler

略奪者
Meaning
A person who robs, plunders, or violently takes things from others.
Example
The despoilers left the city in ruins.
略奪者たちは街を廃墟にした。
B2 verb /dɪˈprɛs/

depress

落ち込ませる
Meaning
To make someone feel sad or without hope; to reduce the level or strength of something.
Example
The gloomy weather tends to depress people.
陰鬱な天気は人々を落ち込ませる傾向がある。
C1 verb diːˈsɛn.sɪ.taɪz

desensitize

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

doorkeeper

門番
Meaning
A person whose job is to guard or manage the entrance of a building or room.
Example
The doorkeeper checked everyone’s passes before they entered the hall.
ドアキーパーは皆がホールに入る前に通行証を確認した。
C1 adjective /dɪsˈɪntrəstɪd/

disinterested

無関心
Meaning
not influenced by personal interest; impartial or neutral
Example
The judge remained disinterested in the case.
裁判官はその事件に無関心のままでした。
C1 adjective dɪ ˈskrɛʃ.ən.er.i

discretionary

裁量の
Meaning
Available for use at the discretion of the user; not required or mandatory.
Example
He set aside some discretionary income for travel.
彼は旅行のためにいくらかの裁量所得を取っておいた。
B2 verb /dɪˈtekt/

detect

検出する
Meaning
to discover or identify the presence or existence of something; to notice something that is not immediately obvious
Example
The security system can detect movement in the building.
セキュリティシステムは建物内の動きを検出できます。
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。
B1 noun ˌdɪsədˈvæntɪdʒ

disadvantage

不利
Meaning
An unfavorable circumstance or condition that reduces the chances of success or effectiveness.
Example
Urdu's dominance placed Bengalis at a disadvantage.
ウルドゥー語の支配がベンガル語話者を不利な立場に追い込んだ。
C2 verb /deɪn/

deign

自分の尊厳を損ねて何かをする
Meaning
to do something considered beneath one's dignity
Example
The king did not deign to reply to the commoner.
王は平民に返答することをしなかった。
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 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。
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。
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。
C2 noun /ˈduːti/

Dhuti

ドゥティ
Meaning
a traditional Indian garment for men consisting of a piece of unstitched cloth worn around the waist and legs
Example
The elderly man wore a white dhuti during the religious ceremony.
年配の男性は宗教的な儀式で白いドゥティを着ていた。
C2 adjective /ˈdekərəs/

decorous

品位のある
Meaning
showing proper and polite behavior; marked by good taste
Example
The audience gave a decorous applause after the performance.
観客は公演後に品位のある拍手を送りました。
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。
C2 noun /dɪˈsɛmbələr/

dissembler

偽善者
Meaning
a person who conceals their real feelings or intentions; a hypocrite or pretender
Example
The politician was accused of being a dissembler who never revealed his true plans.
その政治家は、自分の本当の計画を決して明かさなかった偽善者だと非難された。
C2 verb /dɪˈbɑːrk/

debark

下船する
Meaning
to disembark or get off a ship, aircraft, or vehicle
Example
The passengers debarked as soon as the ship docked.
乗客は船がドックに着いたときに下船しました。
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。
A2 noun /ˈdrɔːər/

drawer

引き出し
Meaning
a box-shaped storage compartment that slides in and out of furniture
Example
She kept her jewelry in the top drawer of the dresser.
彼女はジュエリーをドレッサーの上の引き出しに入れた。
B2 adjective /dɛns/

dense

密な
Meaning
Closely compacted in substance; having parts crowded together.
Example
The forest was so dense that little sunlight reached the ground.
森はとても密で、ほとんど太陽の光が地面に届かなかった。
B1 adjective /dɪˈtɜːrmɪnd/

determined

決心した
Meaning
Having firmly decided to do something and not letting anything stop you.
Example
She was determined to finish her studies despite many obstacles.
多くの障害があったにもかかわらず、彼女は学業を終わらせる決心をしていた。
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.