monotasking
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C2 noun mɒnəˈtɑːskɪŋ

monotasking

一度に一つの作業を行うこと
Meaning
The practice of dedicating oneself to a given task and minimizing potential interruptions until the task is completed or a significant period of time has elapsed.
Example
Monotasking can often lead to higher quality work.
モノタスキングはしばしば高品質な仕事につながります。
C2 adjective /ˈmɛtrɪkəl/

metrical

韻律の
Meaning
Relating to or composed in a regular rhythmic pattern of beats or meter, especially in poetry.
Example
The poet carefully followed metrical rules in his verses.
詩人は自分の詩の中でメトリカルなルールを慎重に守った。
A1 noun /ɡlæs/

Glass

グラス
Meaning
a drinking container made of glass; hard transparent material
Example
He drank a glass of cold water after the workout.
彼はトレーニング後に冷たい水を一杯飲みました。
C2 noun /ˈfuːləri/

foolery

愚かさ
Meaning
Silly or foolish behavior or actions.
Example
His constant foolery made the meeting hard to take seriously.
彼の絶え間ない愚かさは、会議を真剣に受け止めるのを難しくしました。
A2 noun /ˈfɔːrɪst/

Forest

森
Meaning
a large area covered chiefly with trees and undergrowth
Example
We went hiking in the dense forest yesterday.
昨日、私たちは密林をハイキングしました。
C1 noun /ˈpeɪθɒs/

pathos

パトス
Meaning
a quality in speech, writing, or events that evokes pity or deep emotion
Example
The documentary balanced pathos with hope, making the audience both weep and think.
ドキュメンタリーは、パトスと希望をうまくバランスさせ、観客を泣かせ、考えさせました。
B2 verb dɪˈspætʃt

dispatched

派遣された
Meaning
To send off to a destination or for a purpose.
Example
A team was dispatched quickly.
チームは迅速に派遣されました。
C1 noun /ˈlaɪtʃi/

Litchi

ライチ
Meaning
a small oval pink-red tropical fruit with white translucent flesh and sweet taste
Example
The litchi has a rough pink shell that you peel to eat the sweet white fruit inside.
ライチは、外側がざらざらしたピンク色の皮で、中に甘くて白い果実が入っています。
C2 verb /ˈbeɪɪŋ/

baying

吠える
Meaning
making a loud, prolonged barking or howling sound, especially of dogs
Example
The baying of the hounds echoed through the forest.
犬の鳴き声が森を通り抜けて響いた。
C1 noun, adjective /ˈlæksətɪv/

laxative

下剤
Meaning
A medicine or substance that stimulates bowel movements; tending to loosen or relieve constipation.
Example
The doctor prescribed a mild laxative for her condition.
医者は彼女の状態のために軽い下剤を処方しました。
C1 noun ˌpraɪɔːrɪtaɪˈzeɪʃən

prioritization

優先順位付け
Meaning
The action or process of deciding the relative importance or urgency of things.
Example
Effective prioritization ensures resources are used efficiently.
効果的な優先順位付けは、リソースが効率的に使用されることを保証します。
C2 noun, verb /ˈtræməl/

trammel

制限
Meaning
A restriction or impediment to freedom of action; to restrict.
Example
The strict rules trammel the creativity of the students.
厳格な規則は学生の創造性を制限しています。
B2 verb /əˈkjuːmjəleɪt/

accumulate

蓄積する
Meaning
to gather or collect things gradually over time
Example
She managed to accumulate a small fortune through wise investments.
彼女は賢明な投資を通じて少しの富を積み上げることができました。
C1 noun /ˈkliː.vər/

Cleaver

大きな包丁
Meaning
a heavy knife with a broad blade used for chopping meat or vegetables
Example
The chef used a cleaver to chop the chicken bones.
シェフはチキンの骨を切るために大きな包丁を使いました。
C1 noun /ˌræm.ɪ.fɪˈkeɪ.ʃən/

ramification

結果
Meaning
a consequence of an action or event, often complex or unwelcome.
Example
The new law has serious social ramifications.
新しい法律には深刻な社会的影響があります。
B2 verb /snæp/

snap

折れる
Meaning
to break suddenly; to speak angrily; to take a photograph quickly
Example
The rope snapped under the weight.
ロープは重さで折れました。
C2 adjective /pəˈlɛmɪkəl/

polemical

論争的
Meaning
relating to or involving strongly critical or controversial writing or speech
Example
She wrote a polemical article challenging traditional beliefs.
彼女は伝統的な信念に挑戦する論争的な記事を書いた。
C2 noun /ˈdaɪəˌdɛm/

diadem

王冠
Meaning
A crown or headband worn as a symbol of royalty or authority.
Example
The queen wore a glittering diadem at the coronation.
女王は戴冠式で輝く王冠を身に着けていました。
C2 noun /daɪˈvʌldʒəns/

divulgence

暴露
Meaning
the act of revealing or disclosing something secret or private
Example
The divulgence of company secrets caused a major scandal.
企業の秘密の暴露が大きなスキャンダルを引き起こした。
C1 verb /ɪɡˈzuːd/

exude

放つ
Meaning
to display a quality strongly and openly; to release a liquid or smell slowly
Example
He exudes confidence whenever he speaks in public.
彼は公共の場で話すとき、自信を放っています。
C1 verb /ədˈmɪnɪstreɪt/

administrate

管理する
Meaning
to manage or supervise the execution of duties, laws, or resources; to formally give or apply something such as a test or medicine
Example
The committee will administrate the new policy across all departments.
委員会はすべての部門で新しい方針を管理する。
B1 noun /ˈbaɪər/

buyer

買い手
Meaning
a person who makes a purchase
Example
The buyer inspected the car before making payment.
買い手は支払い前に車を検査しました。
B2 adjective, noun /ˈsaɪkɪk/

psychic

Meaning
relating to the mind or supernatural powers; a person claiming to have extrasensory abilities
Example
The psychic claimed she could predict the future.
A1 modal verb /kʊd/

could

できた
Meaning
Used to indicate possibility, ability, or permission in the past or as a polite suggestion.
Example
He could swim when he was a child.
彼は子供の頃泳げた。
C1 verb ɪɡˈzæsərbeɪt

exacerbate

悪化させる
Meaning
To make a problem, bad situation, or negative feeling worse.
Example
Climate change exacerbates flooding issues.
気候変動が洪水の問題を悪化させている。
C2 noun /dɪsˈkwaɪɪtjuːd/

disquietude

Meaning
A state of uneasiness, anxiety, or restlessness.
Example
His constant pacing showed his inner disquietude.
C1 adjective /ˈfruː.ɡəl/

Frugal

節約的; 倹約的
Meaning
economical; thrifty;
Example
She is very frugal and saves money by buying only necessary items.
彼女はとても倹約的で、必要な物だけを買ってお金を節約しています。
C2 noun /ˈfrɛʃɪt/

freshet

突然の川の氾濫
Meaning
A sudden overflow of a stream or river caused by heavy rain or melting snow.
Example
After the storm, the river turned into a raging freshet.
嵐の後、川は激しいフレシェットに変わった。
C1 exclamation /juˈriːkə/

eureka

ユーレカ!
Meaning
An exclamation used to express a sudden discovery or realization.
Example
When the solution finally came to him, he shouted, 'Eureka!'
解決策がついに彼に浮かんだとき、彼は叫んだ。 'ユーレカ!'
B2 noun əˈsʌmp.ʃənz

assumptions

仮定
Meaning
Things that are accepted as true or certain to happen, without proof.
Example
His assumptions about the project were completely wrong.
彼のプロジェクトに関する仮定は完全に間違っていた。
C2 noun /hɔːɡ plʌm/

Hog plum

ホッグプラム
Meaning
tropical fruit with yellow skin and sour taste
Example
Hog plums are often used to make pickles and chutneys.
ホッグプラムはよくピクルスやチャツネを作るために使われます。
B2 adjective /slæk/

slack

緩い
Meaning
not tight, firm, or busy; lacking tension or activity
Example
Business is slack during the rainy season.
雨季の間、ビジネスは鈍くなる。
C2 noun /tɔːˈtɒlədʒi/

tautology

不必要な繰り返し
Meaning
the unnecessary repetition of the same idea in different words
Example
The phrase 'it will happen or it won’t' is a tautology.
'それは起こるかもしれないし、起こらないかもしれない'というフレーズはトートロジーです。
C1 noun /oʊθ/

Oath

誓い
Meaning
a solemn promise or declaration; a sworn statement
Example
The doctor took an oath to help patients.
医師は患者を助けることを誓いました。
C2 noun /ˈtʌtʃ.stoʊn/

Touchstone

試金石; 基準
Meaning
a standard or criterion by which something is judged or recognized; a test of genuineness
Example
His honesty became the touchstone by which all other employees were measured.
彼の誠実さは、他のすべての従業員が評価される試金石となった。
C1 verb /əˈskraɪb/

ascribe

帰属する、割り当てる
Meaning
To attribute something to a cause, source, or person.
Example
Many scholars ascribe the poem to an unknown author.
多くの学者はこの詩を未知の作者に帰属させている。
A2 noun /bel/

Bell

鐘
Meaning
a hollow metal device that makes a ringing sound when struck
Example
The church bell rang at noon.
教会の鐘は正午に鳴りました。
B1 adjective /pərˈtɪk.jʊ.lər/

particular

特別
Meaning
specific or special; distinct from others
Example
He is very particular about his diet.
彼は自分の食事に非常にこだわりがあります。
C1 adjective /ˈpɔɪ.njənt/

poignant

胸を打つ, 感動的
Meaning
evoking a keen sense of sadness or regret; deeply touching
Example
The movie's ending was so poignant that many in the audience were moved to tears.
映画のラストシーンは非常に感動的で、多くの観客が涙を流しました。
A2 adjective /ˈʌɡ.li/

Ugly

醜い; 嫌悪すべき; 恐ろしい
Meaning
unpleasant or repulsive in appearance; morally reprehensible
Example
The old building looked ugly after years of neglect.
長年の放置の後、その古い建物は醜く見えました。
C1 noun/verb /ˈslʌmbər/

slumber

眠り
Meaning
A state of sleep; to sleep lightly or rest.
Example
The child slumbered peacefully through the night.
子供は一晩中静かに寝ていた。
C2 noun /ˈsɛm.ɪ.nɛr.i/

seminary

神学校
Meaning
A school or college for training priests, ministers, or rabbis.
Example
He decided to enroll in a seminary to study theology.
彼は神学校に入学して神学を学ぶことに決めました。
C1 verb /kənˈtraɪv/

contrive

考案する
Meaning
to plan or devise cleverly or skillfully
Example
She contrived a clever plan to surprise her friends.
彼女は友達を驚かせるために賢い計画を思いついた。
B2 noun /ˈter.ər.ɪ.zəm/

Terrorism

テロリズム
Meaning
the unlawful use of violence and intimidation against civilians for political aims
Example
The government increased security measures to prevent terrorism.
政府はテロリズムを防止するためにセキュリティ対策を強化しました。
A1 adverb /jɛs/

yes

はい
Meaning
used to express affirmation, agreement, or consent
Example
Yes, I will be there at 5 o'clock.
はい、5時にそこに行きます。
C2 noun /kəˈdʒoʊləri/

cajolery

お世辞
Meaning
Flattering or coaxing talk intended to persuade someone.
Example
Through cajolery, he convinced his boss to grant him a raise.
お世辞を使って、彼は上司を説得して昇給を勝ち取った。
C2 adjective /ɔːrˈθɑːɡənl/

orthogonal

直交
Meaning
at right angles; independent or unrelated
Example
In mathematics, two vectors are orthogonal if their dot product is zero.
数学では、2つのベクトルが直交している場合、そのドット積はゼロです。
B2 noun /ˈɪnˌsaɪt/

insight

洞察力
Meaning
The ability to understand the true nature of something; deep understanding.
Example
Her insight into human behavior made her a successful psychologist.
彼女の人間行動に対する洞察力は、彼女を成功した心理学者にした。
C2 noun /ˈmɒnəkl/

monocle

Meaning
A single round lens for one eye, used to correct or enhance vision.
Example
The old gentleman wore a monocle at formal events.
B1 verb /krɔːl/

crawl

這う
Meaning
to move slowly on hands and knees; to move very slowly
Example
The baby crawled across the floor to reach the toy.
赤ちゃんはおもちゃを取るために床をハイハイしていました。
A1 noun /boʊt/

Boat

ボート
Meaning
a small vessel for traveling over water
Example
We took a small boat to cross the river.
私たちは川を渡るために小さなボートに乗りました。
C1 noun /ˈtwɪstər/

twister

竜巻
Meaning
A tornado or something that twists; also refers to a challenging tongue twister.
Example
The twister destroyed several houses in the village.
竜巻は村のいくつかの家を破壊しました。
B1 noun ɪnˈvestmənt

investment

投資
Meaning
The action or process of investing money for profit or material result.
Example
Investment in waste management infrastructure is essential.
廃棄物管理インフラへの投資は不可欠です。
B1 noun /ˈleɪ.bər/

Labour

肉体的または精神的な労働
Meaning
work involving physical or mental effort; workers as a group
Example
The construction required months of hard labour to complete.
建設には数ヶ月の厳しい労働が必要でした。
B2 noun /frɒk/

Frock

ワンピース
Meaning
a dress, especially a simple or casual one for women or children
Example
The little girl wore a pink frock to her birthday party.
小さな女の子は誕生日パーティーにピンクのワンピースを着て行きました。
C2 adjective /dɪsˈkɜrsɪv/

discursive

脱線的
Meaning
Tending to digress or move from topic to topic; lengthy and rambling.
Example
His discursive style made the lecture hard to follow.
彼の脱線的なスタイルは講義を追うのが難しかった。
C1 verb /ˈpætər/

patter

繰り返される軽いタップ音を立てる / 機械的に素早く話す
Meaning
to make a repeated light tapping sound; to talk quickly in a rehearsed or mechanical way
Example
Rain pattered softly on the window.
雨は窓に静かにパタパタと音を立てていた。
C2 noun

Kinsfolk

親戚, 家族
B2 noun /ˌtɜːrmɪˈneɪʃən/

termination

終了
Meaning
the act of ending something or the state of being ended
Example
The termination of the contract caused financial loss.
契約の終了は財務的損失を引き起こしました。
C1 adjective /ˈseɪlaɪn/

Saline

塩水の; 塩分のある
Meaning
containing salt; salty; relating to salt water
Example
The saline solution is used for medical treatments.
塩水溶液は医療処置に使用されます。
C1 noun /ˈtiːdiəm/

tedium

退屈
Meaning
the state of being tedious; monotony or boredom
Example
The tedium of long meetings often drains motivation.
長時間の会議の退屈さはしばしばモチベーションを奪います。
C2 noun /ˈrɛtɪnjuː/

retinue

従者
Meaning
A group of attendants or followers accompanying an important person.
Example
The king entered the hall followed by his retinue.
王は従者を引き連れてホールに入った。
C2 noun /ˈmælɪt fɪʃ/

Mallet fish

殻魚
Meaning
A marine fish with a hard shell-like covering, found in coastal waters
Example
The mallet fish is known for its unique protective shell covering.
マレットフィッシュは独特な保護殻で知られています。
C2 verb /kəˈlʌmnieɪt/

calumniate

中傷する
Meaning
To make false and damaging statements about someone; to slander.
Example
He was furious when he realized they had calumniated his reputation.
彼は、彼らが彼の評判を中傷したことに気づいたとき、怒っていました。
C1 adjective /ˈflaʊəri/

flowery

花のような / 飾られた
Meaning
Full of flowers or overly elaborate in style or language.
Example
She wrote a flowery letter filled with poetic phrases.
彼女は詩的なフレーズで満たされた花のような手紙を書いた。
B1 adjective /ˈkæʒ.u.əl/

Casual

リラックスして無頓着; 偶然の; 非公式
Meaning
relaxed and unconcerned; happening by chance; informal
Example
He wore casual clothes to the party.
彼はパーティーにカジュアルな服を着て行った。
C1 noun /tiˈɑː.rə/

Tiara

ティアラ
Meaning
a jeweled ornamental crown worn on formal occasions
Example
The princess wore a sparkling diamond tiara at the royal ball.
王女は王宮の舞踏会で輝くダイヤモンドのティアラを身に着けていた。
C2 noun /rɪˈfrækʃən/

refraction

屈折
Meaning
The bending of light, sound, or other waves when they pass from one medium to another of different density.
Example
The refraction of light in water makes objects appear bent.
水中の光の屈折により、物体が曲がって見えます。
C1 adjective /ˌbaɪˈlæt.ər.əl/

bilateral

二国間
Meaning
An agreement or relationship between two parties that is mutual, two-sided, or reciprocal.
Example
The two countries signed a bilateral trade agreement.
二国は二国間貿易協定に署名しました。
C1 noun /ˈwɜːkmənʃɪp/

workmanship

作品の質
Meaning
The skill with which something is made or the quality of something made.
Example
The workmanship of the handmade furniture was impeccable.
手作りの家具のワークマンシップは完璧でした。
B1 adverb /ˈkɒmənli/

commonly

一般的に
Meaning
usually or by most people
Example
This phrase is commonly used in everyday speech.
このフレーズは日常会話で一般的に使われます。
C1 noun /ˈswiːt.miːt/

Sweetmeat

お菓子
Meaning
a small piece of confectionery or candy; a sweet delicacy
Example
The children enjoyed the traditional sweetmeats during the festival.
子供たちは祭りの間に伝統的なスイートミートを楽しみました。
C2 verb /trænzˈmjuːt/

transmute

変換する
Meaning
to change in form, nature, or substance
Example
Alchemy aimed to transmute lead into gold.
錬金術は鉛を金に変えることを目指していた。
C1 noun /rəˈpɪdəti/

rapidity

迅速さ
Meaning
The quality of moving or happening quickly; swiftness or speed.
Example
The rapidity of technological change is astonishing.
技術的な変化の速さは驚くべきものです。
C2 adjective /ˈviːnəl/

venal

売国的
Meaning
willing to do dishonest things in return for money; corrupt
Example
The politician was accused of being venal and corrupt.
その政治家は、売国的で腐敗していると非難されました。
C1 noun /ədˈhɪərənt/

adherent

支持者
Meaning
a person who supports or follows a particular belief, cause, or leader
Example
He is a strong adherent of democratic values.
彼は民主的な価値観の強力な支持者です。
C1 verb /wɪðˈhoʊld/

withhold

差し控える
Meaning
to refuse to give or keep back something
Example
The company decided to withhold his bonus.
会社は彼のボーナスを差し控えることにした。
A2 noun /ˈef.ət/

Effort

努力
Meaning
physical or mental activity needed to achieve something
Example
She put a lot of effort into preparing for the final examination.
彼女は期末試験の準備に多くの努力を注いだ。
C1 adjective ˈkɒn.və.luː.tɪd

convoluted

複雑な
Meaning
Extremely complex and difficult to follow; twisted or intricate.
Example
His argument was so convoluted that no one understood it.
彼の議論は非常に複雑で、誰も理解できませんでした。
C1 noun proʊˈæktɪv ˈseɪvɪŋ

proactive saving

積極的貯蓄
Meaning
Actively planning and setting aside money in advance to prepare for future financial needs
Example
Proactive saving ensures financial stability in old age.
プロアクティブセービングは老後の財政的安定を確保します。
C1 adjective /dɪsˈpæʃənət/

dispassionate

冷静な
Meaning
not influenced by strong emotion; impartial
Example
The judge remained dispassionate throughout the trial.
裁判官は裁判全体を通して冷静さを保ちました。
C1 noun ˈpɑː.sɪŋ

parsing

文の構造解析
Meaning
The process of analyzing sentence structure to understand grammatical relationships.
Example
The AI model performs parsing to understand syntax.
AIモデルは構文解析を行い、構造を理解します。
B2 noun /eɪd/

aide

アシスタント
Meaning
An assistant or helper, especially to an important person.
Example
The senator’s aide organized the meeting with journalists.
上院議員のアシスタントがジャーナリストとの会議を組織しました。
B1 noun /ˈmiːdiəm/

medium

メディア
Meaning
A means or channel of communication, expression, or artistic work.
Example
Television is a powerful medium for spreading information.
テレビは情報を広めるための強力なメディアです。
B2 noun/adjective /ˈtɜːrmɪnəl/

terminal

ターミナル、終点、末期の病
Meaning
As a noun: A place where transport routes begin or end. As an adjective: Relating to the end or final stage of something, often an illness.
Example
He waited for the bus at the central terminal.
彼は中央ターミナルでバスを待っていた。
A2 noun /ɪŋk/

Ink

インク
Meaning
a colored fluid used for writing, drawing, or printing; a dark liquid ejected by cuttlefish
Example
The old fountain pen leaked ink all over his white shirt during the meeting.
古い万年筆は会議中に白いシャツにインクをこぼしました。
B2 adjective, verb (present participle) /ˈfloʊtɪŋ/

floating

浮かんでいる
Meaning
remaining on the surface of a liquid without sinking; moving lightly or freely
Example
The boat was floating gently on the calm lake.
ボートは穏やかな湖の上で優しく浮かんでいた。
C1 noun /kiː/

quay

桟橋
Meaning
A platform lying alongside or projecting into water for loading and unloading ships.
Example
The cargo was unloaded at the quay.
貨物は桟橋で荷降ろしされました。
C2 noun /ˈɛpɪˌsaɪkl/

epicycle

外周上の小円
Meaning
a small circle whose center moves around the circumference of a larger one, used in ancient astronomy
Example
The concept of the epicycle was used to explain planetary motion.
エピサイクルの概念は惑星の運動を説明するために使用されました。
A2 adjective /ˈloʊn.li/

Lonely

孤独な; 孤立した
Meaning
solitary; isolated; without companions
Example
She felt lonely after moving to a new city.
彼女は新しい都市に引っ越してから孤独を感じていました。
C1 noun/adjective /ˈlɛzbiən/

lesbian

レズビアン
Meaning
a woman who is romantically or sexually attracted to other women
Example
She is a proud lesbian and advocates for equal rights.
彼女は誇り高いレズビアンで、平等な権利を支持しています。
B2 adjective /ˈsoʊlər/

solar

太陽の
Meaning
Relating to or determined by the sun
Example
The house is powered by solar energy.
この家は太陽エネルギーで動いています。
C1 noun /rɪˈtrækʃən/

retraction

撤回, 言明撤回
Meaning
the act of taking back a statement, promise, or belief
Example
The newspaper issued a retraction of the false report.
新聞は虚偽の報告の撤回を発表しました。
C1 adjective /ˈwɪr.i.səm/

Wearisome

疲れさせる; 退屈で疲れる
Meaning
causing tiredness; tedious; boring and exhausting
Example
The wearisome journey took twelve hours to complete.
その疲れさせる旅行は12時間かかりました。
B1 noun /blæk ˈpep.ər/

Black Pepper

黒胡椒
Meaning
a hot-tasting spice made from dried peppercorns, widely used for seasoning food
Example
Season the steak with salt and freshly ground black pepper.
ステーキに塩と新鮮に挽いたブラックペッパーを振りかけてください。
C2 noun /əˈsɛt.ɪˌsɪz.əm/

asceticism

禁欲主義, 自制
Meaning
The practice of severe self-discipline and abstaining from indulgence, typically for religious or spiritual reasons.
Example
Asceticism has been a part of many religious traditions throughout history.
禁欲主義は歴史を通じて多くの宗教的伝統の一部でした。
B2 adjective /dɪˈvoʊtɪd/

devoted

献身的
Meaning
Very loving, loyal, or dedicated.
Example
She is a devoted mother who always puts her children first.
彼女は常に子供たちを最優先にする献身的な母親です。
A1 adverb /naʊ/

now

今
Meaning
at the present moment or time
Example
I am studying now.
私は今勉強しています。
B1 noun /ˈbʊt.ʃər/

Butcher

肉屋
Meaning
a person whose job is cutting up and selling meat in a shop
Example
The butcher recommended the best cut of beef for our dinner.
肉屋は私たちの夕食のために最高の牛肉の切り身を勧めました。
A2 adjective /əˈlaɪv/

Alive

生きている; 死んでいない; 生命とエネルギーに満ちている
Meaning
living; not dead; full of life and energy
Example
The old man is still alive and healthy.
その老人は今でも生きていて健康です。
A2 noun/verb /ˌɛndʒɪˈnɪər/

engineer

エンジニア
Meaning
A person trained to design, build, or maintain engines, machines, or structures; to skillfully arrange or bring about.
Example
The engineer designed a new bridge across the river.
エンジニアは川を越える新しい橋を設計しました。
C1 verb /ˈsaɪdˌtræk/

sidetrack

気を散らす
Meaning
To distract from the main subject or activity.
Example
She was sidetracked by an unexpected phone call.
彼女は予期しない電話で気を取られた。
C1 adjective /ˌsɛrənˈdɪpɪtəs/

serendipitous

偶然の幸運
Meaning
Occurring or discovered by chance in a happy or beneficial way.
Example
Their meeting at the café was purely serendipitous.
カフェでの彼らの出会いは完全に偶然の幸運でした。
B2 noun /ˈɑp.tə.mɪst/

Optimist

楽観主義者
Meaning
a person who tends to be hopeful and confident about the future; someone who sees the good side of things
Example
As an optimist, she always believed things would improve.
楽観主義者として、彼女は常に物事が改善されると信じていました。
B2 noun /lɔːntʃ/

Launch

ランチ
Meaning
a large motorboat or a boat used to transport people and goods
Example
We took a launch to cross the river.
私たちは川を渡るためにランチを使いました。
B1 noun /tʃest/

Chest

胸部; 箱
Meaning
the front surface of a person's or animal's body between the neck and abdomen; a large strong box
Example
The doctor listened to his chest with a stethoscope.
医者は聴診器で彼の胸部を聞いた。
B1 noun /kəˈnæl/

canal

運河
Meaning
an artificial waterway constructed for navigation, irrigation, or drainage
Example
The canal was built to help transport goods across the region.
運河は地域内で物資の輸送を助けるために建設されました。
C2 noun /ˈsɪniæst/

cineast

映画愛好家
Meaning
A film enthusiast or filmmaker; a person deeply interested in cinema.
Example
As a true cineast, she spends most weekends watching classic films.
真のシネアストとして、彼女はほとんどの週末をクラシック映画を観ることに費やします。
B1 noun /ləˈbɔːr.ə.tɔːr.i/

Laboratory (Lab)

実験室
Meaning
a room or building equipped for scientific experiments, research, or teaching
Example
The scientists conducted their experiments in the well-equipped laboratory.
科学者たちは設備の整った実験室で実験を行いました。
B1 noun /broʊˈʃʊr/

brochure

パンフレット
Meaning
a small booklet or pamphlet containing information or advertising
Example
The travel agent gave us a brochure about the holiday package.
旅行代理店は休暇パッケージについてのパンフレットをくれました。
B2 verb /riːˈɔːrɡənaɪz/

reorganize

再編成する
Meaning
to arrange something again in a different way for greater efficiency or order
Example
The manager decided to reorganize the team structure.
マネージャーはチームの構造を再編成することに決めました。
C2 noun /ˈmɒnəˌsɪləbəl/

monosyllable

単音節の言葉
Meaning
A word consisting of only one syllable.
Example
Words like 'yes' and 'no' are monosyllables.
'はい'や'いいえ'のような言葉は単音節の言葉です。
C1 noun /ˈjuːlədʒi/

eulogy

弔辞
Meaning
A speech or piece of writing that praises someone, especially after their death.
Example
Her brother delivered a heartfelt eulogy at the funeral.
彼女の兄は葬式で感動的な弔辞を述べました。
B1 noun /ˈpæsɪŋ/

passing

通過, 死
Meaning
the act of moving past something or the end of someone's life
Example
The passing of the leader was a great loss for the nation.
リーダーの死は国にとって大きな損失でした。
C1 noun /raɪt/

rite

儀式
Meaning
a religious or ceremonial act
Example
The wedding rite was performed with great solemnity.
結婚式の儀式は厳粛に行われました。
C1 adjective /ɪkˈstɛnjueɪtɪŋ/

extenuating

軽減する
Meaning
serving to make a fault or an offense seem less serious
Example
She asked for leniency due to extenuating circumstances.
彼女は軽減する状況のために寛容を求めました。
C1 verb /dɪsˈtrʌst/

distrust

不信
Meaning
to have no confidence or trust in someone or something
Example
Many people distrust politicians.
多くの人々は政治家を信用しません。
C2 adjective /ˌɪnkɔːrˈpɔːriəl/

incorporeal

無形
Meaning
lacking a physical body; not composed of matter; intangible
Example
Ghosts are often described as incorporeal beings.
ゴーストはしばしば無形の存在として描かれます。
C1 adjective /ɪnˈkrɛdjələs/

incredulous

Meaning
unwilling or unable to believe something
Example
He gave her an incredulous look when she claimed she could fly.
B1 verb /rɪˈspɒnd/

respond

返信する
Meaning
to give an answer or reply; to react to something
Example
Please respond to my email as soon as possible.
できるだけ早く私のメールに返信してください。
C2 noun /ˈskæb.ərd/

scabbard

鞘
Meaning
A sheath for the blade of a sword or dagger, typically made of leather or metal.
Example
The knight drew his sword from the scabbard.
騎士は鞘から剣を抜きました。