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

arbitrary

任意の
Meaning
based on random choice or personal whim, rather than reason or system
Example
The teacher's arbitrary grading upset many students.
教師の任意の採点は多くの学生を困らせました。
B1 noun /ɪɡˌzæm.ɪˈneɪ.ʃən/

examination

試験
Meaning
a formal test of knowledge or ability
Example
She is preparing for her final examination.
彼女は最終試験の準備をしています。
B2 noun /ˌnɒməˈneɪʃən/

nomination

ノミネーション
Meaning
The act of formally proposing someone for a role, position, or award.
Example
Her nomination for the award surprised everyone.
彼女の賞へのノミネーションは、皆を驚かせました。
C2 adjective /fəˈsiːʃəs/

facetious

皮肉な
Meaning
Treating serious issues with deliberately inappropriate humor
Example
He was being facetious when he said he wanted to live on the moon.
彼は月に住みたいと言ったとき、皮肉を言っていた。
C1 noun /dɪsˈsɜːrvɪs/

disservice

Meaning
A harmful action; something that does damage rather than help.
Example
Spreading false information is a disservice to the community.
偽の情報を広めることは、コミュニティに害を与えることです。
C1 noun /rɪˌmjuː.nəˈreɪ.ʃən/

Remuneration

報酬; 報奨金; 料金
Meaning
money paid for work or services; compensation or reward
Example
The job offers excellent remuneration and benefits.
その仕事は優れた報酬と福利厚生を提供します。
B1 noun /ˈsɜːdʒəri/

surgery

Meaning
a medical procedure involving the cutting of the body to treat a condition
Example
She underwent surgery to remove the tumor.
C2 noun /ˈseɪ.ɡoʊ/

Sago

サゴ
Meaning
starchy foodstuff obtained from the pith of various tropical palm stems
Example
She prepared sago pudding for dessert.
彼女はデザートにサゴプディングを準備しました。
A1 noun /ˈaɪs kriːm/

Ice-cream

アイスクリーム
Meaning
a frozen sweet dessert made from dairy products, usually served cold
Example
Children love to eat ice-cream on hot summer days.
子供たちは暑い夏の日にアイスクリームを食べるのが好きです。
C1 adjective /ɪkˈstreɪ.ni.əs/

extraneous

無関係
Meaning
Not directly related or essential to the matter at hand; irrelevant.
Example
The editor removed extraneous details from the report.
編集者は報告書から無関係な詳細を削除しました。
B1 noun ˈplæt.fɔːrmz

platforms

プラットフォーム、ソフトウェアまたはハードウェア環境
Meaning
Computing environments where software applications can be developed and run.
Example
Different platforms offer diverse digital solutions.
さまざまなプラットフォームが多様なデジタルソリューションを提供しています。
B1 adjective /ˈplʊrəl/

plural

複数
Meaning
denoting more than one person or thing
Example
The word 'cats' is the plural of 'cat'.
'猫'の複数形は'猫たち'です。
B1 verb /ʌnˈræp/

unwrap

包みを開ける
Meaning
remove wrapping or covering from something; reveal something gradually or clearly
Example
She carefully unwrapped the gift with excitement.
彼女は興奮しながら慎重に贈り物の包みを開けた。
A1 adjective /taɪəd/

Tired

疲れた
Meaning
feeling exhausted; in need of sleep or rest
Example
I am too tired to continue working.
私は仕事を続けるには疲れすぎています。
C1 adjective /ˈprɛdəˌtɔri/

predatory

捕食者/搾取者
Meaning
Relating to animals that prey on others; exploiting or victimizing others for personal gain.
Example
The predatory bird swooped down on its prey.
捕食性の鳥は獲物に向かって急降下した。
C2 noun /ˈɪntərˌveɪl/

intervale

川沿いの低地、通常は肥沃で平坦
Meaning
A low-lying tract of land along a river, usually fertile and flat.
Example
The farmers cultivated crops on the lush intervale by the river.
農民たちは川沿いの肥沃な土地で作物を育てた。
A2 noun /klaʊd/

Cloud

Meaning
a visible mass of condensed water vapour floating in the atmosphere above the ground
Example
Dark clouds gathered before the storm.
嵐の前に暗い雲が集まりました。
B2 noun /pəˈsjuːt/

pursuit

追求, 探求
Meaning
the act of chasing or trying to achieve something
Example
He dedicated his life to the pursuit of happiness.
彼は幸福を追い求めることに人生を捧げた。
C2 noun /ænˈtɪfəni/

antiphony

アンティフォニー
Meaning
a form of music in which two or more groups or choirs sing alternately in response to each other
Example
The cathedral's architecture was designed to enhance the effect of antiphony.
大聖堂の建築は、アンティフォニーの効果を高めるために設計されました。
C1 noun moʊst ˈvʌlnərəbəl ˈneɪʃən

most vulnerable nation

最も脆弱な国
Meaning
A country that is highly exposed to risks and lacks adequate protection or resilience.
Example
Bangladesh is one of the most vulnerable nations to climate change.
バングラデシュは気候変動に最も脆弱な国の一つです。
B2 verb /ˈvɪʒuəlaɪz/

visualize

視覚化する
Meaning
To form a mental image of something; to imagine.
Example
She tried to visualize her success before the big presentation.
彼女は大きなプレゼンテーションの前に自分の成功をビジュアライズしようとした。
C2 noun /ˈstiː.vəˌdɔːr/

stevedore

荷役作業員
Meaning
A person employed to load and unload cargo from ships.
Example
The stevedores worked tirelessly to unload the cargo before dawn.
荷役作業員たちは夜明け前に貨物を下ろすために疲れ知らずに働いた。
A2 noun /ˈælbəm/

album

アルバム
Meaning
A collection of songs or photographs compiled into a single book, record, or digital file.
Example
She showed me her travel album full of beautiful pictures.
彼女は美しい写真がいっぱいの旅行アルバムを見せてくれました。
C1 verb /əˈfɪliˌeɪt/

affiliate

提携する
Meaning
to officially attach or connect (a group or organization) to a larger body
Example
The school is affiliated with the local university.
その学校は地元の大学と提携しています。
B2 adjective /dɪˈvaɪn/

Divine

神聖な; 天上的な; 神のような; 神または神格に関連する
Meaning
heavenly; sacred; godlike; relating to God or a deity
Example
The divine beauty of the sunset took their breath away.
夕日の神聖な美しさは彼らの息を奪いました。
B1 adjective ˈʃɔːrt.tɜːrm

short-term

短期的な
Meaning
Occurring over or involving a relatively short period of time.
Example
Investing in stocks can yield short-term profits.
株に投資することで短期的な利益を得ることができる。
A2 adjective /braɪt/

Bright

明るい
Meaning
giving out or reflecting much light; vivid in color
Example
The artist used bright colors in her painting.
そのアーティストは絵画に明るい色を使いました。
A2 adjective, noun /ɪˈtæliən/

italian

幸福
Meaning
relating to Italy, its people, or its language; a person from Italy
Example
She loves Italian food.
彼女は賞を受け取ったとき、自分の幸せを隠せませんでした。
C1 adjective/verb /ˈprɒstreɪt/

prostrate

倒れる
Meaning
lying stretched out on the ground with one's face downward, often as a sign of submission or exhaustion
Example
He lay prostrate on the ground after the long battle.
長い戦いの後、彼は地面に倒れて横たわった。
B2 noun /ˈsɪmptəm/

symptom

症状
Meaning
a sign or indication of something, especially of an illness
Example
Fever is a common symptom of the flu.
熱はインフルエンザの一般的な症状です。
C2 noun /ˈpɒliˌkreɪsi/

polycracy

多権主義
Meaning
rule by many; government by multiple authorities
Example
The nation experienced a polycracy after decentralization reforms.
国は分権改革後、多権主義を経験しました。
C1 adjective /ˈɛm.ɪ.nənt/

eminent

著名
Meaning
Famous and respected within a particular sphere or profession.
Example
He is an eminent scientist known for groundbreaking research.
彼は画期的な研究で知られる著名な科学者です。
A1 pronoun /maɪˈsɛlf/

myself

自分
Meaning
used for emphasis or to refer to oneself
Example
I will do it myself.
私は自分でそれをやります。
B1 noun ˈkɒn.sɪ.kwəns

consequence

結果
Meaning
A result or effect of an action or condition.
Example
Every action has a consequence.
すべての行動には結果があります。
B2 verb ɪmˈpaʊərɪŋ

empowering

権限を与える
Meaning
Giving someone the authority or power to do something; making someone stronger and more confident.
Example
Empowering children can lead to societal progress.
子供たちに権限を与えることは、社会的進歩につながる可能性があります。
C1 adjective /ˈprɒdɪɡəl/

prodigal

浪費家
Meaning
spending money or resources freely and recklessly; wastefully extravagant
Example
The prodigal son returned home after wasting his inheritance.
浪費家の息子は、遺産を浪費した後、家に帰りました。
C2 noun /ˈsælvər/

salver

銀のトレイ
Meaning
A tray, typically made of silver, used for serving food or drinks.
Example
The butler brought in the tea on a silver salver.
執事は銀のトレイでお茶を運んできました。
C2 noun /ˈlɪbərˌtiːn/

libertine

Meaning
A person who behaves without moral principles, especially in sexual matters.
Example
The novel depicted the reckless life of a libertine in 18th century France.
A2 adjective /ˈrʌʃən/

russian

Meaning
relating to Russia, its people, or its language
Example
She is studying the Russian language at university.
C1 noun /kənˈtɪnjuəm/

continuum

連続体
Meaning
A continuous sequence in which adjacent elements are not perceptibly different from each other, but the extremes are quite distinct.
Example
Life and death are often seen as part of the same continuum.
生と死はしばしば同じ連続体の一部と見なされます。
A2 adjective /trəˈdɪʃənəl/

Traditional

伝統的な
Meaning
relating to or following long-established customs; conventional
Example
They had a traditional wedding ceremony.
彼らは伝統的な結婚式を行いました。
C1 verb /kriːk/

creak

高い音できしむ音を立てる
Meaning
to make a high-pitched, squeaking noise when moved
Example
The old door creaked as she opened it.
古いドアは彼女が開けるときにきしんだ。
C2 adjective /ˌdɛfəˈrɛnʃəl/

deferential

尊敬の念を示す
Meaning
Showing or expressing respect and high regard.
Example
He was always deferential toward his teachers.
彼はいつも教師に対して尊敬の念を示していた。
A2 noun /laɪˈbrɛəriən/

librarian

司書
Meaning
a person who manages, organizes, and assists users in a library
Example
The librarian helped me find a rare history book.
司書は私が珍しい歴史の本を見つけるのを手伝ってくれました。
C2 noun /ˈsaɪ.nəˌʃʊr/

cynosure

皆の注目の的
Meaning
A person or thing that is the center of attention or admiration.
Example
She was the cynosure of all eyes at the party.
彼女はパーティーで皆の注目の的でした。
C1 noun/verb ˈfɒr.ɪdʒ

forage

飼料、食べ物を探す
Meaning
Food for horses and cattle, especially dried hay or feed; to search for food.
Example
Animals forage for food during the winter months.
動物たちは冬の間に食べ物を探します。
C1 noun əˈtrɪʃ.ən

attrition

減耗
Meaning
The process of reducing something's strength or effectiveness through sustained attack or pressure.
Example
The company faced high employee attrition due to job dissatisfaction.
会社は仕事への不満により従業員の高い離職率に直面した。
C2 noun /ˈfoʊ.nə.ɡræm/

phonogram

音声記号
Meaning
a written symbol representing a speech sound
Example
The teacher showed how each phonogram represents a particular sound.
教師は、各フォノグラムが特定の音を表す方法を示しました。
C1 adjective /ˈnæk.ərd/

Knackered

非常に疲れた; くたびれた
Meaning
extremely tired; exhausted
Example
I'm absolutely knackered after working all day.
私は一日中働いた後、完全に疲れ果てました。
C1 adjective /ˈkɒz.mɪk/

cosmic

宇宙的, 広大な
Meaning
relating to the universe or cosmos; vast
Example
Astronomers study cosmic phenomena to understand the universe.
天文学者たちは宇宙を理解するためにコズミック現象を研究しています。
B2 noun /feɪz/

Phase

段階; 変化や発展の過程での特定の期間または段階
Meaning
a distinct period or stage in a process of change or development
Example
The project is now in its final phase.
プロジェクトは現在最終段階にあります。
B2 adjective /ˈtʃiːzi/

cheesy

安っぽい/過度に感傷的
Meaning
tacky, overly sentimental, or cheap in quality
Example
The movie was funny but a bit too cheesy.
映画は面白かったけど、ちょっと安っぽすぎた。
B2 adjective /əˈdɪktɪd/

addicted

中毒
Meaning
Being unable to stop engaging in a particular activity or consuming a particular substance.
Example
Many people are addicted to social media.
多くの人々がソーシャルメディアに中毒しています。
C2 noun /ˈɪkθiəˌsɔːrz/

ichthyosaurs

イクチオサウルス(絶滅した海の爬虫類)
Meaning
Extinct marine reptiles that resembled fish and dolphins, dominant during the Mesozoic era.
Example
Ichthyosaurs were swift predators of the ancient seas.
イクチオサウルスは古代の海で素早い捕食者でした。
B1 noun /məˈskiː.toʊ/

Mosquito

Meaning
a small flying insect that bites people and animals to feed on their blood
Example
The mosquito bit me on the arm last night.
昨晩、蚊が私の腕を刺しました。
C1 noun ˌlɪt.ɪˈɡeɪ.ʃən

litigation

訴訟
Meaning
The process of taking legal action; a lawsuit.
Example
The litigation accused the regime of human rights abuses.
訴訟は政権を人権侵害で告発した。
C1 adjective ˈsɛd(ə)ntəri

sedentary

座りっぱなしの
Meaning
Characterized by much sitting and little physical activity.
Example
A sedentary lifestyle can lead to numerous health problems.
座りっぱなしの生活は、多くの健康問題を引き起こす可能性がある。
C2 adjective /ˈfiːkənd/

fecund

肥沃な, 生産的な
Meaning
producing or capable of producing an abundance of offspring or new growth; fertile
Example
The fecund soil produced a bountiful harvest this year.
肥沃な土壌は今年豊かな収穫をもたらしました。
C1 verb /məˈlɛst/

molest

嫌がらせ / 性的虐待
Meaning
to assault or abuse someone, especially in a sexual or physical way
Example
The criminal was arrested for attempting to molest a child.
犯罪者は子供を誘惑しようとしたため逮捕されました。
B2 noun /səˈraʊn.dɪŋz/

surroundings

周囲
Meaning
The area around a person, place, or thing.
Example
She quickly adapted to her new surroundings.
彼女は新しい環境にすぐに適応しました。
B2 adjective /ˈpɑːr.ʃəl/

Partial

部分的; 偏見のある;
Meaning
incomplete; showing bias or prejudice
Example
The judge gave a partial decision in favor of the defendant.
裁判官は被告人に有利な部分的な決定を下した。
A1 number /ɪˈlɛvən/

eleven

十一
Meaning
the number after ten and before twelve; 11
Example
There are eleven students in the classroom.
教室には十一人の学生がいます。
B1 verb /əˈweɪk/

awake

目を覚ます
Meaning
to stop sleeping; to become conscious or alert
Example
I awake every morning at six o'clock.
私は毎朝6時に目を覚ます。
C2 adjective /ˈɡlʌt.ən.əs/

gluttonous

大食い
Meaning
Excessively greedy in eating or consuming.
Example
His gluttonous appetite shocked everyone at the dinner table.
彼の大食いの食欲は、ディナーテーブルで皆を驚かせた。
B2 adjective /aʊtˈstændɪŋ/

outstanding

優れた
Meaning
extremely good or impressive; not yet resolved or paid
Example
She received an award for her outstanding performance.
彼女は優れたパフォーマンスで賞を受賞しました。
C2 verb /ˈeksɔːrsaɪz/

exorcise

Meaning
To drive out an evil spirit or bad influence through rituals or prayers.
Example
The priest was called to exorcise the spirit from the house.
C1 verb /ˈhaɪtən/

heighten

高める
Meaning
to make or become greater in intensity or degree
Example
The announcement served to heighten the excitement in the room.
その発表は部屋の興奮を高めるために役立ちました。
B2 noun ˈbænd.wɪdθ

bandwidth

帯域幅
Meaning
A range of frequencies within a given band, in particular that used for transmitting a signal; the maximum amount of data that can be transmitted in a fixed amount of time.
Example
Increasing bandwidth enhances internet speed.
帯域幅を増やすとインターネットの速度が向上します。
B2 adjective /ɪnˈfɪə.ri.ər/

inferior

劣等
Meaning
Of lower quality, rank, or status.
Example
This material is inferior to the one we used before.
この素材は以前使ったものより劣っています。
A1 noun /hænd/

Hand

Meaning
the end part of a person's arm beyond the wrist, including the palm, fingers, and thumb
Example
He raised his hand to ask a question.
彼は質問をするために手を上げました。
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。
A1 adjective /kaɪnd/

Kind

親切な; 思いやりのある
Meaning
gentle; caring; compassionate; showing sympathy
Example
He is a kind person who always helps others.
彼はいつも他の人を助ける親切な人です。
B1 adjective /ɪˈsɛnʃəl/

essential

必要不可欠
Meaning
Absolutely necessary; extremely important.
Example
Water is essential for life.
水は生命にとって必要不可欠です。
C2 adjective /ˈvɪnsəbl/

vincible

打ち負かされる可能性がある
Meaning
capable of being overcome or defeated
Example
The enemy seemed vincible after losing their main base.
敵は主要基地を失った後、打ち負かされる可能性があった。
B1 verb /ˈmoʊtɪˌveɪt/

motivate

やる気を起こさせる
Meaning
to encourage or stimulate interest or enthusiasm for doing something
Example
The coach's speech motivated the team to win the championship.
コーチのスピーチはチームをチャンピオンにするためにモチベートしました。
C2 noun /ˈoʊdiəm/

odium

嫌悪
Meaning
general or widespread hatred or disgust directed toward someone as a result of their actions
Example
The scandal brought public odium on the corrupt minister.
スキャンダルは腐敗した大臣に対する公衆の嫌悪を引き起こした。
B2 verb /ɪmˈprɪzən/

imprison

投獄する
Meaning
to put someone in prison; to confine or restrict someone's freedom
Example
The judge imprisoned the criminal for five years.
裁判官は犯罪者を5年間投獄しました。
B2 adjective /əˈkjuːt/

acute

急性
Meaning
present or experienced to a severe or intense degree; having sharp perception
Example
The patient suffered from acute pain after the surgery.
手術後、患者は激しい痛みを感じました。
C2 adjective /ˈɡaɪlləs/

guileless

無邪気
Meaning
Innocent and without deceit
Example
Her guileless smile won everyone’s heart.
彼女の無邪気な笑顔は皆の心をつかみました。
C1 noun ˌprəʊ.baɪˈɒt.ɪk

probiotic

有益な細菌
Meaning
Live microorganisms that provide health benefits when consumed in adequate amounts.
Example
Yogurt is a natural source of probiotics that aid digestion.
ヨーグルトは消化を助けるプロバイオティクスの自然な供給源です。
C2 verb /swɪl/

swill

がぶがぶ飲む
Meaning
to drink something greedily or in large amounts
Example
He swilled down the beer in seconds.
彼は数秒でビールを飲み干した。
C2 verb /flɪt/

flit

ひらひら舞う
Meaning
to move quickly and lightly from one place to another
Example
Butterflies flitted from flower to flower.
蝶が花から花へひらひらと舞った。
C1 verb /daɪˈɡrɛs/

digress

Meaning
To leave the main subject temporarily in speech or writing.
Example
The professor began to digress from the main topic of the lecture.
C2 adjective /ˈfræk.ʃəs/

Fractious

わがままな; けんか腰の; 手に負えない
Meaning
irritable and quarrelsome; difficult to control; bad-tempered
Example
The fractious child refused to follow any of the teacher's instructions.
その気難しい子供は教師の指示に従うことを拒否しました。
A1 adverb /soʊ/

so

そんなに
Meaning
to such a degree or extent
Example
She was so happy with the gift.
彼女はプレゼントにとても喜んでいた。
C2 verb /əˈnɔɪnt/

anoint

油を塗る, 祝福する
Meaning
To smear or rub with oil, often as part of a religious ceremony or as a sign of consecration.
Example
The priest anointed the king with holy oil.
神父は聖油で王を塗りました。
C1 verb /kənˈviːn/

convene

集まる、会議や集会を召集する
Meaning
to come together or assemble, especially for a meeting or formal gathering
Example
The board will convene tomorrow to discuss the new policy.
ボードは明日新しい方針を議論するために召集されます。
C2 adjective /ˈɪndələnt/

indolent

怠惰
Meaning
Wanting to avoid activity or exertion; lazy.
Example
The indolent cat slept in the sun all afternoon.
怠惰な猫は午後ずっと太陽の下で寝ていました。
C1 noun /ˈbɜːrθraɪt/

birthright

生まれつきの権利
Meaning
A privilege or possession that a person has from birth.
Example
Freedom is considered a birthright of every individual.
自由はすべての個人の生まれつきの権利と見なされます。
C1 noun /ˈoʊ.vər spɪl/

Over-spill

オーバーフロー
Meaning
the overflow of liquid from a container; excess that cannot be contained
Example
The overspill from the river flooded nearby farms.
川の溢れが近くの農場を水浸しにした。
B2 adjective /ˈɛv.ə.ɡriːn/

evergreen

常緑
Meaning
Remaining green and functional throughout the year; not shedding leaves seasonally.
Example
Evergreen trees like pine and fir stay green year-round.
松やモミの木のような常緑樹は一年中緑を保ちます。
C2 noun /səˈlɪsɪˌtuːd/

solicitude

思いやり, 配慮
Meaning
Care or concern for someone or something.
Example
His mother showed great solicitude for his safety.
彼の母親は彼の安全に大きな思いやりを示しました。
A1 noun /frɛnd/

friend

友達
Meaning
a person with whom one has a bond of mutual affection
Example
He is my best friend.
彼は私の親友です。
C1 verb /ˈrætɪfaɪ/

ratify

批准する
Meaning
to approve or confirm something officially, usually by law or formal consent
Example
The government ratified the trade agreement.
政府は貿易協定を批准しました。
B1 adverb /əˈperəntli/

Apparently

明らかに;
Meaning
seemingly; as far as one knows or can see; clearly; evidently
Example
Apparently, the meeting has been postponed to next week.
明らかに、会議は来週に延期されたようです。
B2 noun /prækˈtɪʃ.ən.ər/

practitioner

実務家
Meaning
a person actively engaged in a profession, especially medicine or law
Example
She is a skilled medical practitioner.
彼女は優れた医療実務家です。
C1 noun, adjective /ˌnɒn ˈrɛzɪdənt/

non-resident

非居住者
Meaning
a person who does not live in a particular country or place permanently
Example
Non-resident students often pay higher tuition fees.
非居住者の学生は、しばしば高い学費を支払います。
B1 verb /sərˈvaɪv/

survive

生き残る
Meaning
To continue to live or exist after a difficult event or situation.
Example
He managed to survive the storm.
彼は嵐を生き延びた。
C1 noun /pəˈzɛsər/

possessor

所有者
Meaning
A person who owns or holds something.
Example
The possessor of the land built a new house.
土地の所有者は新しい家を建てました。
C2 noun /kəmˈpleɪsəns/

complacence

Meaning
a feeling of quiet pleasure or self-satisfaction, often without awareness of potential danger
Example
His complacence prevented him from noticing the risks.
C2 verb /bɪˈnʌm/

benumb

麻痺させる
Meaning
to make physically numb or without sensation; to make mentally dull or insensitive
Example
The freezing wind seemed to benumb his fingers within minutes.
凍える風が数分で彼の指を麻痺させた。
B2 noun /ˈθiːərɪst/

theorist

理論家
Meaning
A person who develops, studies, or explains theories in a particular field.
Example
The political theorist explained the impact of democracy on social structures.
政治的な理論家は、民主主義が社会構造に与える影響について説明しました。
C2 adjective /ˈsuːpaɪn/

supine

仰向けで横たわる
Meaning
Lying on the back, face upward; failing to act due to laziness or weakness.
Example
He lay supine on the grass, staring at the stars.
彼は草の上に仰向けで横たわり、星を見ていた。
C1 noun /jɑːrn/

Yarn

Meaning
spun thread used for knitting, weaving, or sewing; a long or rambling story
Example
She bought colorful yarn for knitting a sweater.
彼女はセーターを編むためにカラフルな糸を買いました。
B2 noun fɪkst ˈɪnkʌm

fixed income

固定収入
Meaning
Investment that provides a return in the form of fixed periodic payments.
Example
Fixed income investments provide reliable returns.
固定収入の投資は信頼性の高いリターンを提供します。
C1 adjective /tɛk ˈdrɪv.ən/

tech-driven

テクノロジー駆動
Meaning
Powered or guided by technology; dependent on technological advancement for operation.
Example
The agricultural sector is becoming more tech-driven for higher efficiency.
農業セクターは、効率を高めるためにますますテクノロジー駆動になっています。
B2 noun /ˈkɔːtruːm/

courtroom

Meaning
a room in which legal cases are heard and decided by a judge
Example
The witness was called to testify in the courtroom.
C1 adjective /ˈɔːrdɪnəl/

ordinal

順序数
Meaning
Relating to the order or position of something in a sequence (first, second, third, etc.).
Example
The ordinal number 'third' indicates position in a sequence.
'第三'の順序数は、順番での位置を示します。
B2 noun /ˌkovuːɪɡˈzɪs.təns/

Co-existence

共存
Meaning
the state of existing together at the same time or in the same place; peaceful cohabitation
Example
The peaceful co-existence of different cultures makes this city unique.
異なる文化の平和的共存がこの都市をユニークにしています。
C1 noun /ˈdʒuː.bɪ.liː/

Jubilee

記念日; 特別な記念式典
Meaning
a special anniversary celebration, especially the 25th, 50th, or 60th anniversary of an important event
Example
The school celebrated its golden jubilee with a grand ceremony.
学校はその金色の記念日を豪華な式典で祝いました。
C1 adjective /məˈlɪɡnənt/

malignant

悪性
Meaning
dangerous or harmful in influence or effect; medically, tending to invade and destroy tissue
Example
Doctors confirmed that the tumor was malignant.
医師はその腫瘍が悪性であることを確認しました。
C2 adjective /ræpˈtɔːriəl/

raptorial

肉食鳥
Meaning
Relating to birds of prey or predatory behavior.
Example
The eagle is a raptorial bird with sharp talons.
ワシは鋭い爪を持つ肉食鳥です。
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 adjective /ˈnɛtlˌsʌm/

nettlesome

苛立たしい
Meaning
Causing irritation, annoyance, or difficulty.
Example
The nettlesome rules frustrated the workers.
苛立たしい規則は労働者たちを苛立たせました。
B2 verb dɪˈtɪrɪəˌreɪts

deteriorates

悪化する
Meaning
To become progressively worse; to decline in quality, condition, or strength.
Example
The quality of air deteriorates due to pollution.
汚染によって大気の質が悪化する。
A2 noun əˈɡriː.mənt

agreement

契約
Meaning
A negotiated arrangement between parties as to a course of action.
Example
The agreement was accepted by all countries.
その契約はすべての国によって受け入れられました。
C2 noun /ˈmɪsɪv/

missive

書簡
Meaning
a written message, especially a formal or official letter
Example
He sent a long missive to the governor.
彼は知事に長い書簡を送った。
B2 adjective /ˈslɪp.ər.i/

Slippery

滑りやすい
Meaning
smooth and difficult to hold; causing sliding or slipping
Example
The wet floor was very slippery after cleaning.
清掃後、濡れた床はとても滑りやすかった。
C1 noun /ˈkaʊn.tər kleɪm/

counter-claim

反訴
Meaning
a claim made to rebut a previous claim, often in legal contexts
Example
The defendant filed a counter-claim against the plaintiff.
被告は原告に対して反訴を提起しました。
C1 verb /ˈbædʒər/

badger

うるさくする, しつこくする
Meaning
To repeatedly ask or annoy someone with demands or questions.
Example
The reporter kept badgering the politician with questions.
記者は政治家に質問をし続けて嫌がらせをした。
C2 noun /ˈdɛswɪˌtuːd/

desuetude

廃止
Meaning
a state of disuse or inactivity
Example
The old law has fallen into desuetude.
古い法律は廃止されました。