bootstrapping
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C1 noun /ˈbuːt.stræp.ɪŋ/

bootstrapping

自己資金による起業
Meaning
Starting a business with personal resources or small investments without external funding or venture capital.
Example
Many entrepreneurs rely on bootstrapping to launch their businesses.
多くの起業家はビジネスを立ち上げるためにブートストラッピングに依存しています。
C1 noun ˌpraɪ.vɪ.taɪˈzeɪ.ʃən

privatization

民営化
Meaning
The transfer of a business, industry, or service from public to private ownership and control.
Example
The privatization of state-owned companies increased efficiency.
国有企業の民営化は効率を高めました。
A2 adjective /prəˈfɛʃənl/

professional

プロフェッショナル
Meaning
relating to a job that requires special training or education
Example
She is a professional dancer who performs internationally.
彼女は国際的に活躍するプロフェッショナルダンサーです。
B2 noun /rɪˈmeɪn.dər/

Remainder

残り; 余り
Meaning
the part that is left over; what remains after the other parts have been taken away
Example
The remainder of the food was stored in the refrigerator.
残りの食べ物は冷蔵庫に保存されました。
C2 noun /ˈpɜːrljuː/

purlieu

周辺地域
Meaning
The area near or surrounding a place; an outlying or neighboring district.
Example
They spent the afternoon exploring the purlieus of the ancient city.
彼らは古代都市のパーリューを探索して午後を過ごした。
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 noun /ˌɪntərˌɒpərəˈbɪləti/

interoperability

相互運用性
Meaning
The ability of computer systems or software to exchange and make use of information.
Example
The interoperability of different software systems ensures seamless workflow.
異なるソフトウェアシステムの相互運用性は、シームレスな作業の流れを確保します。
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。
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。
C1 verb /ˈɒfsɛt/

offset

相殺
Meaning
To counterbalance or compensate for something.
Example
The company's losses were offset by gains in other departments.
会社の損失は他の部門での利益で相殺されました。
C2 verb /ˈædjʊˌleɪt/

adulate

過剰に賛美する
Meaning
to praise or flatter excessively
Example
The fans adulated the actor after his performance.
ファンたちは彼のパフォーマンスの後、俳優を賛美しました。
A1 adjective /njuː/

new

新しい
Meaning
recently made, discovered, or introduced; not existing before
Example
He bought a new car yesterday.
彼は昨日新しい車を買いました。
C1 verb /ˈæn.ə.teɪt/

annotate

注釈を加える
Meaning
to add notes or comments to a text, diagram, or document for explanation or clarification
Example
The teacher asked the students to annotate the poem with their interpretations.
先生は学生に詩を解釈して注釈をつけるように頼みました。
C2 noun /ˈkæn.toʊ/

canto

カント
Meaning
A main division of a long poem, especially in epic poetry.
Example
The Divine Comedy is divided into several cantos.
神曲は複数のカントに分かれています。
C1 adjective /səbˈsɜːviənt/

subservient

Meaning
prepared to obey others unquestioningly; less important than something else
Example
She was too subservient to challenge his decision.
C1 noun /ˈɑːrmfʊl/

armful

腕いっぱい
Meaning
As much as can be carried in one or both arms.
Example
She carried an armful of books into the library.
彼女は図書館に腕いっぱいの本を持っていった。
B2 noun /ˈpɑː.tər/

Potter

陶芸家
Meaning
a person who makes pottery
Example
The potter shaped clay on the spinning wheel.
陶芸家は回転するろくろの上で粘土を形作った。
C1 noun/verb /ˈbæntər/

banter

冗談
Meaning
playful and friendly exchange of teasing remarks
Example
The colleagues enjoyed some light banter during the meeting.
同僚たちは会議中に軽いバンターを楽しんだ。
B2 noun /ˈækni/

acne

ニキビ
Meaning
a skin condition in which pores become inflamed and clogged, causing pimples and spots
Example
Regular cleansing and a balanced diet can help reduce acne.
定期の洗浄とバランスの取れた食事は、ニキビの減少に役立ちます。
A1 numeral /θriː/

three

三
Meaning
the number equivalent to the sum of two and one
Example
She has three dogs at home.
彼女は家に三匹の犬を飼っています。
B2 adverb /ˈfɔːrməli/

formally

正式に
Meaning
in a formal or official manner; according to established rules or conventions
Example
The agreement was formally signed by both parties.
その合意は両当事者によって正式に署名された。
B1 noun /ˈlaɪ.ər/

Liar

嘘つき
Meaning
a person who tells lies; someone who does not tell the truth
Example
Nobody trusts him because he is a liar.
誰も彼を信じません、彼は嘘つきだからです。
A1 adjective /ˈfʌn.i/

Funny

面白い; 変な; おかしい;
Meaning
humorous; strange; amusing;
Example
He told a funny joke that made everyone laugh.
彼はみんなを笑わせた面白いジョークを言いました。
B1 noun /bʌlb/

bulb

Meaning
a rounded glass part of an electric lamp that produces light when lit; also an underground storage organ in some plants
Example
The light bulb burned out, so she replaced it with a new one.
C2 noun /dɪnt/

dint

努力、衝撃の跡
Meaning
an impression or hollow made by a blow; force or power
Example
By dint of hard work, he achieved success.
努力のおかげで、彼は成功を収めました。
C1 adjective /ˌprɛfəˈrɛnʃəl/

preferential

優遇
Meaning
showing or giving advantage to one over others
Example
Members receive preferential treatment at the club.
メンバーはクラブで優遇されます。
B2 noun /ˈmɒtəʊ/

motto

モットー
Meaning
A short sentence or phrase that expresses a guiding belief or principle.
Example
Her motto in life is 'never give up.'
彼女の人生のモットーは「決して諦めないこと」です。
B2 noun /kənˈstɪtʃ.u.ənts/

constituents

構成要素
Meaning
Components or elements used to create something.
Example
Proteins and vitamins are essential constituents of a healthy diet.
プロテインとビタミンは健康的な食事の重要な構成要素です。
B1 noun /rɪst/

Wrist

手首
Meaning
the joint connecting the hand with the forearm
Example
He wore a watch on his wrist.
彼は手首に時計をしていた。
B2 noun /kriːk/

creek

小川
Meaning
a small stream or narrow river
Example
We went fishing by the creek near our house.
私たちは家の近くの小川で釣りをしました。
B1 adjective /təˈrɪfɪk/

terrific

素晴らしい
Meaning
extremely good or excellent; very great or intense
Example
The concert last night was absolutely terrific.
昨夜のコンサートは絶対に素晴らしかった。
C1 verb /kwɑːʃ/

quash

取り消す
Meaning
To reject or void something legally or to put an end to something forcefully.
Example
The court quashed the decision due to lack of evidence.
裁判所は証拠不十分のため、その決定を取り消しました。
A1 preposition, adverb /əˈlɔːŋ/

along

沿って
Meaning
moving in a constant direction on (a road, path, or surface)
Example
We walked along the river.
私たちは川沿いに歩きました。
B1 noun /ˈnɑn.sens/

Nonsense

ナンセンス
Meaning
words or language that have no meaning; foolish or unacceptable behavior
Example
Stop talking nonsense and be serious!
ナンセンスなことを言うのはやめて、真剣になりなさい！
A2 verb /sɔːrt/

sort

並べ替える
Meaning
to arrange or categorize something
Example
Please sort the files by date.
ファイルを日付順にソートしてください。
B2 noun ˈænsɛstərz

Ancestors

先祖
Meaning
A person from whom one is descended; a forefather.
Example
The family tree shows the names of all ancestors.
家族の木はすべての先祖の名前を示しています。
A1 noun, adjective /hæf/

half

半分
Meaning
one of two equal parts of something
Example
He ate half of the cake.
彼はケーキの半分を食べました。
B2 noun /ˌɑb.lɪˈɡeɪ.ʃən/

Obligation

義務
Meaning
a duty or commitment; something that must be done legally or morally
Example
Parents have an obligation to care for their children.
親は子供の世話をする義務がある。
A2 noun /vɔɪs/

voice

声
Meaning
the sound produced by the vocal cords; the ability to speak or express oneself
Example
She has a beautiful voice that captivates the audience.
彼女には観客を魅了する美しい声があります。
C1 adjective /ˈtɛlˌteɪl/

telltale

明白な
Meaning
Revealing something that is usually hidden; giving away a secret or clue.
Example
The telltale signs of fatigue were visible on his face.
疲労の明白な兆候が彼の顔に現れていた。
C2 noun /vɪˈsɪsɪtjuːd/

vicissitude

人生の変化
Meaning
A natural change or succession of one thing to another; the ups and downs of life.
Example
The vicissitude of life often teaches resilience.
人生の変化はしばしばレジリエンスを教えます。
C1 adjective /ˈzɛsti/

zesty

スパイシー
Meaning
Having a strong, pleasant, and somewhat spicy flavor; full of energy and enthusiasm.
Example
The dish had a zesty flavor that everyone loved.
その料理は、みんなが好きなスパイシーな味がしました。
B2 adjective /ˈspaɪ.rəl/

Spiral

螺旋
Meaning
winding in a continuous curve; helical
Example
The spiral staircase led to the top floor.
螺旋階段は最上階に通じていました。
B1 noun /tɑːsk/

task

タスク
Meaning
a piece of work or duty to be done
Example
He completed the task before the deadline.
彼は締め切り前にタスクを完了しました。
B2 noun; verb /breɪs/

brace

装具；備える
Meaning
a device that supports or strengthens something; to prepare mentally or physically for something difficult
Example
She braced herself for the strong wind.
彼女は強い風に備えた。
A2 noun, pronoun, verb /maɪn/

mine

鉱山 / 私の
Meaning
a place where minerals are dug from the ground; or something belonging to me
Example
The workers went deep into the mine to extract coal.
労働者たちは炭鉱に深く入って炭を採掘しました。
C1 adjective /ˈlaɪf.laɪk/

lifelike

リアルに似ている
Meaning
Very similar to a real person, object, or scene; realistic.
Example
The wax figure was so lifelike that people thought it was a real person.
その蝋人形は非常にリアルに似ていて、人々はそれが本物の人物だと思った。
C1 noun /nɔːrm/

Norm

規範; 標準; ルール; 伝統
Meaning
a standard of behavior; what is typical or expected
Example
Working late has become the norm in this company.
遅くまで働くことがこの会社の規範になった。
C1 adjective /ˈpeɪtrənaɪzɪŋ/

patronizing

見下す
Meaning
showing kindness that is perceived as condescending or superior
Example
His patronizing tone offended the audience.
彼の見下すような口調は観客を不快にさせた。
C2 noun /ˈtɜːrnkoʊt/

turncoat

裏切り者
Meaning
a person who switches allegiance, often betraying a cause or group
Example
He was branded a turncoat after joining the rival political party.
彼はライバルの政治党に参加した後、裏切り者と呼ばれました。
B1 verb /θrɪl/

Thrill

スリルを与える
Meaning
to cause someone to feel very excited and pleased
Example
The roller coaster ride thrills adventure seekers.
ローラーコースターのライドは冒険を求める人々をスリルさせます。
B2 noun /broʊtʃ/

brooch

Meaning
a decorative jewelry pin that is attached to clothing
Example
She wore a beautiful silver brooch on her jacket.
B2 adjective /ˈmɛʒərd/

measured

測定された
Meaning
carefully considered and deliberate
Example
She spoke in a calm, measured tone.
彼女は冷静で測定された口調で話しました。
B2 adjective /ˈjuː.nɪ.faɪd/

unified

統一された
Meaning
Made into a whole or joined together.
Example
A unified approach fosters better outcomes.
統一されたアプローチはより良い結果を促進します。
A1 preposition /æt/

at

で
Meaning
used to indicate a specific time, place, or direction
Example
She arrived at the airport on time.
彼女は時間通りに空港に到着しました。
C2 verb /ˈbændi/

bandy

Meaning
To pass (words, ideas, or gossip) back and forth in a casual or argumentative way.
Example
They bandied jokes across the table.
A1 noun /wɔːl/

wall

壁
Meaning
a vertical structure that encloses or divides an area
Example
The wall in our living room is painted blue.
リビングルームの壁は青く塗られています。
C2 adjective ˌɪn.ɪ.fɪˈkeɪ.ʃəs

inefficacious

効果がない
Meaning
Not producing any or the desired effect; ineffective.
Example
The treatment was inefficacious in curing the disease.
その治療法は病気の治癒に効果がありませんでした。
B2 noun /ˈkæʃ.uː nʌt/

Cashew Nut

カシューナッツ
Meaning
a kidney-shaped nut with a creamy texture and mild flavor
Example
Cashew nuts are often used in cooking and as a healthy snack.
カシューナッツは、料理や健康的なおやつに使われることがよくあります。
C1 noun ˈsɒl.vən.si

solvency

負債を超える資産の所有; 借金を返済する能力
Meaning
The possession of assets in excess of liabilities; ability to pay debts.
Example
The company's solvency improved after restructuring.
会社のソルベンシーは再編成後に改善されました。
C1 noun /ˈæb.stɪ.nəns/

abstinence

禁欲、節制
Meaning
the practice of restraining oneself from indulging in something, typically alcohol or sex
Example
His doctor advised abstinence from alcohol for better health.
彼の医者は健康のためにアルコールを控えるように助言しました。
B2 adjective /əˈkuːstɪk/

acoustic

Meaning
relating to sound or the sense of hearing; not amplified by electrical means
Example
We recorded an acoustic version of the song in a quiet room.
C1 noun /ˈfɔːrˌfɑːðər/

forefather

先祖
Meaning
an ancestor, especially one who was part of an earlier generation of a family or nation
Example
Our forefathers fought for independence.
私たちの先祖は独立のために戦いました。
B2 noun dɪˈveləpɪŋ ˈriːdʒənz

developing regions

発展途上地域
Meaning
Areas or countries that are in the process of economic growth and development
Example
Pollution affects developing regions the most.
汚染は発展途上地域に最も影響を与えます。
A1 noun /ɒkˈtoʊbər/

october

10月
Meaning
the tenth month of the year in the Gregorian calendar
Example
The weather becomes cooler in October.
10月になると天気が涼しくなります。
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 /koʊˈæɡjəˌleɪt/

coagulate

凝固
Meaning
to cause a liquid, especially blood, to change into a solid or semi-solid state
Example
The blood quickly coagulated after the cut.
切り傷の後、血液はすぐに凝固しました。
B2 noun /beɪ liːf/

Bay leaf

ローリエの葉
Meaning
dried aromatic leaf of the bay laurel tree used as a culinary herb
Example
Add a bay leaf to the soup for extra flavor.
スープにローリエの葉を加えて、風味を増します。
A2 adjective /ˈsɜːr.tən/

Certain

確信している; 確かな; 疑いなく
Meaning
confident and sure; without doubt; definitely true
Example
I am certain that we will succeed.
私は確信しています、私たちは成功します。
C1 verb /əˈkwɪt/

acquit

無罪を言い渡す
Meaning
to declare someone not guilty of a criminal charge; to conduct oneself in a specified way
Example
The jury decided to acquit the defendant of all charges.
陪審員は被告をすべての告発から無罪にすると決定しました。
B2 noun /ˈtoʊ.kən/

token

記号 / トークン
Meaning
A symbol or object that represents something, often given as a sign of appreciation or as a substitute for money.
Example
She gave him a small gift as a token of gratitude.
彼女は感謝のしるしとして、小さな贈り物を彼に渡しました。
C2 noun /ˈjuːʒəri/

usury

高利貸し
Meaning
The practice of lending money at unreasonably high interest rates.
Example
The law strictly prohibits usury.
法律は高利貸しを厳しく禁止しています。
B2 adjective /kəmˈpʌlsəri/

compulsory

義務的
Meaning
Required by law or a rule; obligatory.
Example
Wearing seat belts is compulsory in most countries.
ほとんどの国でシートベルトを着用することは義務的です。
A2 noun/adjective /ˈekspɜːt/

expert

専門家
Meaning
a person who has a lot of knowledge or skill in a particular area
Example
He is an expert in computer programming.
彼はコンピュータプログラミングの専門家です。
C2 noun /ˌæfɛkˈteɪʃən/

affectation

Meaning
an unnatural behavior or speech intended to impress others
Example
Her British accent was just an affectation to sound sophisticated.
C1 noun ˌnæʃ.ən.ə.laɪˈzeɪ.ʃən

nationalization

国有化
Meaning
The process of a government taking control of private property or industry.
Example
The nationalization of banks was aimed at stabilizing the economy.
銀行の国有化は経済の安定を目指して行われました。
C1 adjective /əbˈdʒek.ʃən.ə.bəl/

Objectionable

不快な
Meaning
arousing distaste or opposition; unpleasant or offensive
Example
His objectionable behavior made everyone uncomfortable.
彼の不快な行動は、皆を不快にさせた。
C2 adjective /ˌʌltrəˈmʌndeɪn/

ultramundane

超越的
Meaning
Relating to things beyond the physical world; supernatural or transcendental.
Example
Philosophers often discuss ultramundane realities beyond human perception.
哲学者たちはしばしば人間の知覚を超えたウルトラムンデインな現実について議論します。
B1 noun /rɪˈkwaɪə(r)mənt/

requirement

要件
Meaning
something that is necessary or demanded
Example
The job has specific educational requirements.
この仕事には特定の教育要件があります。
C1 adjective/verb /ˈbæntərɪŋ/

bantering

冗談を言う
Meaning
characterized by good-humored teasing or joking
Example
They had a bantering conversation at the café.
彼らはカフェで冗談交じりの会話をしていた。
C1 adjective /ɪnˈsɪdiəs/

insidious

陰険な
Meaning
Proceeding in a gradual, subtle way but with harmful effects.
Example
The insidious spread of misinformation can damage trust.
誤った情報の陰険な広がりは信頼を傷つける可能性がある。
A2 noun /ˈfoʊldər/

folder

フォルダー
Meaning
a container or directory used to store and organize papers or digital files
Example
I saved all the photos in a separate folder.
すべての写真を別のフォルダーに保存しました。
C1 adjective /kəmˈpleɪsənt/

complacent

自己満足
Meaning
showing self-satisfaction and a lack of concern about potential dangers or problems
Example
The team grew complacent after a few victories and stopped practicing hard.
チームは数回の勝利の後、自己満足し、練習をやめた。
C2 noun /ˌkɒnsæŋˈɡwɪnɪti/

consanguinity

血縁関係
Meaning
The fact of being descended from the same ancestor; blood relationship.
Example
The degree of consanguinity was important in inheritance laws.
相続法では、血縁関係の程度が重要でした。
B2 noun /ɡeɪz/

Gaze

じっと見つめること; 特定の方向に集中的に見る
Meaning
a steady intent look; to look steadily and intently in a particular direction
Example
She met his intense gaze across the crowded room and felt her heart skip a beat.
彼女は混雑した部屋の中で彼の強い視線を交わし、心臓が一瞬止まるのを感じた。
C1 noun /rɪˈnaʊn/

Renown

名声; 評判
Meaning
the condition of being known or talked about by many people; fame
Example
The scientist achieved international renown for her discoveries.
その科学者は発見によって国際的な名声を得た。
B2 noun ˈθrɛʃhəʊld

threshold

閾値, 限界
Meaning
A point of entry or beginning; the magnitude or intensity that must be exceeded for a certain reaction to occur.
Example
Once the threshold for pest population is reached, measures must be taken.
害虫の個体数の閾値に達したら、対策を講じなければならない。
C2 noun /rɪˈpruːf/

reproof

叱責, 非難
Meaning
An expression of blame or disapproval.
Example
His careless words drew a sharp reproof from his mother.
彼の不注意な言葉は、母親からの厳しい叱責を引き起こした。
B2 adjective əˈkwætɪk

aquatic

水生の
Meaning
Growing or living in or near water; of or relating to water.
Example
Aquatic species are being endangered by pollution.
水生種は汚染によって危機に瀕しています。
C2 adjective /ˈsæŋɡwɪˌnɛri/

sanguinary

血なまぐさい
Meaning
Involving or causing much bloodshed; bloodthirsty.
Example
The battle was one of the most sanguinary conflicts of the war.
その戦闘は戦争の中で最も血なまぐさい戦いの一つだった。
B1 noun /ˈfɪzɪks/

physics

物理学
Meaning
the natural science that studies matter, energy, and the interactions between them
Example
She decided to major in physics at the university.
彼女は大学で物理学を専攻することに決めました。
C2 adjective /ˌɛl.ɪˈmɑː.səˌnɛr.i/

eleemosynary

慈善的な
Meaning
Relating to charity; dependent on or supported by charity.
Example
The hospital was founded as an eleemosynary institution.
病院は慈善的な機関として設立されました。
C2 adjective /ˈmjuːtəbl/

mutable

可変の
Meaning
Capable of change or alteration.
Example
Human emotions are mutable and can shift rapidly.
人間の感情は可変的で、迅速に変わることがあります。
B2 verb /stɪŋ/

sting

刺す
Meaning
to pierce with a sharp point; to cause sharp pain
Example
The bee stung him on his arm while he was gardening.
蜂は彼が庭仕事をしているときに彼の腕を刺しました。
B2 verb /rɪˈvaɪv/

revive

蘇生する
Meaning
To bring back to life, consciousness, or activity.
Example
The paramedics managed to revive the unconscious man.
救急隊員は意識不明の男性を蘇生させることに成功した。
C2 noun /ˈplɔːdɪts/

plaudits

賛辞
Meaning
expressions of praise or approval
Example
The scientist received plaudits from the international community.
その科学者は国際社会から賛辞を受けました。
C2 adjective /ˈθʌroʊˌɡoʊɪŋ/

thoroughgoing

完全な、徹底的な
Meaning
carried out to the full extent; absolute and complete
Example
She is a thoroughgoing professional in every sense.
彼女はあらゆる意味で徹底的なプロフェッショナルです。
A2 adjective /wɪrd/

weird

奇妙
Meaning
suggesting something supernatural or very strange; unusual
Example
The movie had a weird ending that nobody expected.
映画には誰も予期しなかった奇妙な結末がありました。
C2 verb /bɪˈwɪtʃ/

bewitch

魅了する
Meaning
to enchant or fascinate someone as if by magic
Example
The dancer's performance bewitched the audience.
ダンサーのパフォーマンスは観客を魅了した。
C2 noun /ˈɪrˌʃɑːt/

earshot

耳の届く範囲
Meaning
the range or distance within which a sound can be heard
Example
The children whispered secrets out of earshot of their parents.
子供たちは親の耳の届く範囲外で秘密をささやいた。
C2 verb /ˈhɑːbəl/

hobble

よろけて歩く
Meaning
to walk awkwardly with difficulty, usually due to injury
Example
He hobbled across the room after twisting his ankle.
彼は足首をひねった後、部屋をよろよろと歩いた。
C2 noun /ˌsuːpərɪnˈtɛndəns/

superintendence

監督
Meaning
the act of overseeing, supervising, or managing
Example
The superintendence of the school is the principal’s duty.
学校の監督は校長の責任です。
C2 noun /hɒtʃ pɒtʃ/

Hotch potch

煮込み料理
Meaning
A mixed dish; a hodgepodge of ingredients cooked together
Example
She made a delicious hotch potch with rice, lentils, and vegetables.
彼女はご飯、レンズ豆、野菜で美味しいホッチポッチを作った。
C2 noun /ˈskʌl.i.ən/

scullion

台所の使用人
Meaning
a servant assigned the most menial kitchen tasks
Example
In medieval times, a scullion was responsible for cleaning pots and pans.
中世の時代、スカリオンは鍋やフライパンを掃除する責任がありました。
C1 adjective /nɪˈɡlɛktfʊl/

neglectful

無関心
Meaning
Failing to give proper care or attention.
Example
The neglectful parent left the child alone for hours.
無関心な親は子供を何時間も一人で放置した。
C1 verb/noun /ɡraʊl/

growl

うなり声
Meaning
To make a low, guttural sound, often in anger (by animals or humans).
Example
The dog growled at the stranger.
犬は見知らぬ人にうなった。
B2 noun /ˈden.sə.ti/

Density

密度
Meaning
the degree of compactness of a substance; the quantity of something per unit area
Example
The density of population in the city center is extremely high.
市の中心部の人口密度は非常に高い。
C1 adjective /ˈɡæl.ənt/

gallant

勇敢な, 英雄的な
Meaning
Brave, heroic, or chivalrous.
Example
The gallant firefighter saved the child from the burning building.
その勇敢な消防士は燃えている建物から子供を助けました。
B1 noun ˈstrʌk.tʃər

structure

構造
Meaning
The arrangement of and relations between the parts or elements of something complex.
Example
The structure is designed for safety and functionality.
構造は安全性と機能性のために設計されています。
B1 noun /məˈkænɪk/

mechanic

メカニック
Meaning
a person who repairs and maintains machines or vehicles
Example
The mechanic fixed the engine in less than an hour.
そのメカニックは1時間以内にエンジンを修理しました。
C2 adjective /ˈæprəbəˌtɔːri/

approbatory

称賛の
Meaning
expressing approval or praise
Example
The teacher gave an approbatory nod after reading the essay.
教師はエッセイを読んだ後、称賛の意を込めてうなずいた。
C2 noun /ˌdɪsɪˈpeɪʃən/

dissipation

浪費
Meaning
the process of disappearing or wasting; excessive indulgence in pleasure
Example
The dissipation of his fortune left him in poverty.
彼の財産の浪費は彼を貧困に追いやった。
C2 adjective /ˈsɪbɪlənt/

sibilant

シーシー音がする
Meaning
Making or characterized by a hissing sound.
Example
The word 'snake' starts with a sibilant sound.
'snake' という単語はシビラント音で始まります。
C1 verb ˈlæŋ.ɡwɪʃ

languish

衰退するまたは不振になる
Meaning
To remain in a state of neglect or decline for a long time without improvement.
Example
The project began to languish due to a lack of funding.
そのプロジェクトは資金不足で衰退し始めました。
A2 verb /rɪˈlæks/

relax

リラックスする
Meaning
to make or become less tense or anxious; to rest
Example
After a long day, she likes to relax with a good book.
長い一日の後で、彼女は良い本を持ってリラックスするのが好きです。
B2 noun/verb /rɪˈmɑːrk/

remark

発言
Meaning
something that is said; a comment
Example
She made a remark about the weather.
彼女は天気について発言した。
A2 verb ˈselɪbreɪt

celebrate

祝う
Meaning
To acknowledge a significant or happy day or event with a social gathering or enjoyable activity.
Example
Bangladesh celebrates Urban Planning Day on November 8.
日本は11月3日に文化の日を祝います。
C1 verb /ˈsɛvər/

sever

切る、関係を断つ
Meaning
to cut off or separate, especially by cutting; to end a connection or relationship
Example
He had to sever ties with the company after the dispute.
彼は争いの後、会社との関係を断たなければならなかった。
B2 noun /ˈtɔːr.ment/

Torment

苦しみ; 苦痛
Meaning
severe physical or mental suffering; extreme pain or anguish
Example
The prisoner endured years of torment in solitary confinement.
囚人は独房で何年もの苦しみに耐えました。
B2 noun ˌnæv.ɪˈɡeɪ.ʃən

navigation

ナビゲーション
Meaning
The process or activity of accurately ascertaining one's position and planning and following a route.
Example
GPS technology has improved the navigation of self-driving cars.
GPS技術は自動運転車のナビゲーションを改善しました。
C1 adjective ɪˈluː.sər.i

illusory

幻の
Meaning
Based on illusion; not real although seeming to be.
Example
His sense of security was entirely illusory.
彼の安全感は完全に幻のものだった。