attenuation
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
C2 noun əˌten.juˈeɪ.ʃən

attenuation

減衰、減少、弱化
Meaning
The reduction of the force, effect, or value of something.
Example
The attenuation of sound waves affects communication.
音波の減衰はコミュニケーションに影響を与えます。
C1 noun /riːk/

Reek

悪臭がする; 不快または望ましくない印象を与える
Meaning
to have a very unpleasant smell; to give a strong impression of something unpleasant or undesirable
Example
The garbage can reeks of rotten food.
ゴミ箱は腐った食べ物の臭いがする。
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。
B2 verb /əkˈnɒlɪdʒ/

acknowledge

認める
Meaning
to accept or admit the existence or truth of something; to recognize
Example
She acknowledged her mistake and apologized.
彼女は自分のミスを認め、謝罪した。
C1 noun /dʒest/

Jest

冗談; いたずら
Meaning
a thing said or done for amusement; a joke
Example
His comment was made in jest, not to offend anyone.
彼のコメントは冗談で言われたもので、誰かを傷つけるためではなかった。
C2 verb /əbˈtruːd/

obtrude

押し付ける
Meaning
to force oneself or one's ideas into a situation uninvited or inappropriately
Example
He didn’t want to obtrude into their private conversation.
彼は彼らのプライベートな会話に押し付けたくなかった。
C1 verb dɪˈsaɪ.fɚ

decipher

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

vacillate

幸せ
Meaning
to waver between different opinions or actions; be indecisive
Example
He vacillated between studying law and becoming a writer.
彼女は賞を受け取ったとき、自分の幸せを隠すことができませんでした。
C2 verb /həˈmɑː.dʒə.naɪz/

homogenize

均質化
Meaning
To make uniform or similar by blending or mixing different elements.
Example
The company tried to homogenize its products across global markets.
その会社は世界市場で製品を均質化しようとしました。
B1 noun /tʃiːk/

Cheek

頬; 横柄;
Meaning
either side of the face below the eye; impudent or disrespectful behavior
Example
The baby's rosy cheeks showed she was healthy and happy.
赤ちゃんのピンク色のほおが、健康で幸せであることを示していました。
C1 noun /fɪˈziːk/

physique

体格
Meaning
the form, size, and development of a person's body
Example
He has an athletic physique due to years of training.
彼は長年のトレーニングでアスリートのような体格を持っています。
C1 adjective /ɪnˈɡreɪnd/

engrained

深く根付いている、変更が難しい
Meaning
Firmly fixed or established; difficult to change.
Example
Cultural practices are often deeply engrained in the fabric of society.
文化的な慣習は、しばしば社会の構造に深く根付いています。
C1 verb /ˌmɪsˈpleɪs/

misplace

間違った場所に置く
Meaning
To put something in the wrong location and temporarily lose it.
Example
I often misplace my keys when I am in a hurry.
急いでいるとき、よく鍵を間違った場所に置いてしまいます。
B1 noun truː ˌɛdjuˈkeɪʃən

true education

真の教育
Meaning
Genuine learning that develops both mind and character.
Example
True education builds a noble and beautiful life.
真の教育は高貴で美しい人生を築きます。
C1 noun /ˌɑːsɪˈleɪʃən/

oscillation

振動
Meaning
The movement back and forth at a regular speed.
Example
The oscillation of the pendulum controls the clock.
振り子の振動が時計を制御します。
A1 noun /wiːk/

week

週
Meaning
a period of seven days
Example
I will finish the project by the end of the week.
私は今週末までにプロジェクトを終わらせます。
C1 noun ˌlɪb.ərˈeɪ.ʃən

liberation

解放
Meaning
The action of setting someone free from imprisonment, slavery, or oppression; release.
Example
Liberation movements inspired many countries.
解放運動は多くの国々に影響を与えました。
A2 verb /wɛr/

wear

着る
Meaning
to have clothing or accessories on one's body
Example
She likes to wear bright colors.
彼女は明るい色を着るのが好きです。
B2 noun /aɪˈdiː/

id

身分証明書
Meaning
identification; a document or number used to prove who someone is
Example
Please show your ID at the entrance.
入口で身分証明書を提示してください。
A2 noun /lɪst/

List

リスト
Meaning
a number of connected items or names written or printed consecutively, typically one below the other
Example
Make a list of things you need to buy.
買うべきもののリストを作成してください。
C2 noun /ˈklɪpər/

clipper

バリカン / 19世紀の速い帆船
Meaning
a tool used for cutting, or a fast sailing ship of the 19th century
Example
The barber used clippers to trim his hair.
床屋は髪を切るためにバリカンを使いました。
B2 verb /priːtʃ/

preach

説教する
Meaning
to deliver a religious or moral talk, often in a church setting
Example
The pastor preached about forgiveness and kindness.
牧師は許しと親切について説教しました。
C2 adjective /sɛpˈtɛnɪəl/

septennial

7年ごとの
Meaning
Occurring every seven years.
Example
The festival is a septennial tradition in the village.
その祭りは村で7年ごとの伝統です。
A2 noun /naɪf/

Knife

ナイフ
Meaning
a cutting instrument with a sharp blade
Example
She used a sharp knife to cut the vegetables for dinner.
彼女は夕食のために野菜を切るために鋭いナイフを使った。
B2 noun /ˈsmɑːrt.nəs/

Smartness

知恵；賢さ；整然としたモダンな外観
Meaning
intelligence; cleverness; neat and fashionable appearance
Example
Her smartness in solving problems impressed everyone.
問題解決の際の彼女の知恵は、皆に感銘を与えました。
C2 adjective /ˈəʊ.dər.əs/

Odorous

芳香のある; 香り高い
Meaning
having a strong smell; fragrant; aromatic
Example
The garden was filled with odorous flowers.
庭は芳香のある花で満たされていた。
A2 noun /ˈbætəri/

battery

バッテリー
Meaning
A device that stores and provides electrical energy; also refers to a group of similar things or repeated blows.
Example
The phone battery ran out after a long day.
電話のバッテリーは長い一日の後に切れました。
B1 noun /slaɪd/

Slide

滑り台
Meaning
a smooth surface for sliding down; a piece of playground equipment
Example
The children enjoyed playing on the slide at the park.
子供たちは公園でスライドで遊ぶのを楽しんでいました。
B2 adverb /ˈtaɪtli/

Tightly

しっかり; 強く
Meaning
in a tight manner; firmly; securely
Example
Hold the rope tightly so you don't fall.
ロープをしっかり持って、落ちないようにします。
C1 adjective /ˈsɪlkən/

Silken

絹の; 柔らかい; 滑らか;
Meaning
made of silk; smooth and soft like silk
Example
She wore a beautiful silken dress to the party.
彼女はパーティーに美しい絹のドレスを着ていきました。
C1 adjective /ˌʌnrɪˈfaɪnd/

unrefined

未精製の
Meaning
not processed or purified; lacking polish or sophistication
Example
The unrefined oil must be processed before it can be used as fuel.
未精製の石油は燃料として使う前に処理する必要がある。
C2 verb /əˈdjuːs/

adduce

証拠や理由を提供する
Meaning
To provide evidence or reasons to support an argument or idea.
Example
The lawyer adduced several examples to support his case.
弁護士は自分のケースを支持するためにいくつかの例を挙げた。
B1 adjective ˈkɒmplɛks

complex

複雑
Meaning
Having many interrelated parts or factors; complicated.
Example
The relationship between poverty and education is complex.
貧困と教育の関係は複雑です。
C2 adjective /ˈloʊð.səm/

Loathsome

忌まわしい
Meaning
causing hatred or disgust; repulsive
Example
The loathsome smell from the garbage made everyone leave the room.
ゴミの耐え難い悪臭で、みんなが部屋を出ていった。
B2 verb /ˈjuːtɪlaɪz/

utilize

利用する
Meaning
to make practical or effective use of something
Example
The company aims to utilize solar energy for production.
その会社は生産のために太陽光エネルギーを活用することを目指しています。
B2 noun /ˈsɑːfmɔːr/

sophomore

二年生
Meaning
a student in their second year of study at a university or high school
Example
He’s a sophomore in college, studying computer science.
彼は大学で2年生で、コンピュータサイエンスを勉強しています。
B2 noun səbˈstænʃəl ˈɪmpækt

substantial impact

重大な影響
Meaning
A significant, considerable, and meaningful effect or influence.
Example
Substantial impact is possible even with a few hours of volunteering.
少しの時間のボランティア活動でも重大な影響を与えることができます。
A2 noun /pleɪt/

Plate

プレート
Meaning
a flat, typically round dish used for serving or eating food
Example
Please put the rice on your plate.
ご飯をあなたのプレートに乗せてください。
C1 verb /səbˈsaɪd/

subside

収束する
Meaning
to become less intense, violent, or severe; to sink or fall to a lower level
Example
After the storm, the floodwaters began to subside.
嵐の後、洪水は収束し始めました。
B2 noun /dʒiːn/

gene

遺伝子
Meaning
A unit of heredity in living organisms, transferred from parent to offspring, determining traits.
Example
Eye color is influenced by genes inherited from parents.
目の色は親から受け継いだ遺伝子によって影響を受けます。
C1 noun /ˈfjuː.tʃə.rɪst/

futurist

未来学者
Meaning
A person who studies or predicts the future, especially trends in science, technology, or society.
Example
The futurist predicted major changes in transportation within the next decade.
未来学者は次の10年間で交通に大きな変化があると予測しました。
B2 adverb /kənˈsɪdərəbli/

Considerably

かなり; 相当
Meaning
to a notably large degree; significantly; substantially
Example
The price has increased considerably over the past year.
昨年、価格はかなり上昇しました。
C2 noun /ˈpɒsi/

posse

ギャング / 友達グループ
Meaning
A group of people, often friends or a group organized to support or enforce the law.
Example
He arrived at the party with his posse of friends.
彼は友達グループと一緒にパーティーに到着しました。
C2 noun /təˈmɛrɪti/

temerity

大胆さ
Meaning
Excessive confidence or boldness; audacity.
Example
He had the temerity to challenge the professor’s argument.
彼は教授の議論に挑戦する大胆さを持っていた。
C2 verb /pərˈlɔɪn/

purloin

盗む
Meaning
to steal something, often in a sneaky or dishonest way
Example
He tried to purloin a book from the library without being noticed.
彼は図書館から本を盗もうとしたが、気づかれなかった。
A1 pronoun /ˈɛvribɒdi/

everybody

皆
Meaning
all people; everyone
Example
Everybody enjoyed the party.
皆がパーティーを楽しんでいました。
C2 noun /ˈlɔːŋ.ɡən/

Longan

Meaning
a small round tropical fruit with translucent white flesh and sweet taste, related to lychee
Example
Longan fruits are often eaten fresh or dried and are popular in Asian desserts.
C2 noun /ˌɑːrbəˈriːtəm/

arboretum

植物園
Meaning
a place where trees, shrubs, and plants are grown for scientific study or public display
Example
We visited the city’s arboretum to learn about exotic trees.
私たちはエキゾチックな木々について学ぶために、市の植物園を訪れました。
B1 noun /tʃuˈɪʃ.ən/

tuition

授業料
Meaning
the fee for instruction or teaching, typically at a school or university
Example
The tuition for the college has increased this year.
大学の授業料は今年増加しました。
A2 noun, verb /ˈriːzən/

reason

理由、原因
Meaning
A cause, explanation, or justification for an action or event; to think or argue logically.
Example
There is no reason to be upset.
怒る理由はありません。
C2 noun /ˈnɛtl̩/

nettle

触れると痛みを引き起こす植物
Meaning
a plant with stinging hairs that cause irritation when touched
Example
He accidentally brushed against the nettle and felt a sharp sting.
彼は不注意でイラクサに触れて鋭い痛みを感じた。
A1 number /eɪt/

eight

八
Meaning
The number equivalent to the product of two and four; one more than seven.
Example
There are eight apples in the basket.
バスケットには八つのリンゴがあります。
B1 adjective /ɪmˈbær.ə.sɪŋ/

Embarrassing

恥ずかしい; 気まずい; 屈辱的な
Meaning
causing shame or awkwardness; uncomfortable; humiliating
Example
It was embarrassing when I forgot her name.
彼女の名前を忘れたとき、それは恥ずかしかったです。
C2 adjective /ɪmˈpruːdənt/

imprudent

不注意な
Meaning
Not showing care for the consequences of an action.
Example
It was imprudent to drive in such stormy weather.
こんな嵐の天気で運転するのは不注意だった。
C2 verb /ˈdɒɡmətaɪz/

dogmatize

ドグマ化する
Meaning
To state opinions or beliefs as if they were absolute truths.
Example
The professor tended to dogmatize on political issues.
その教授は政治的な問題でドグマタイズする傾向があった。
B2 noun /səbˈskraɪbər/

subscriber

サブスクライバー
Meaning
a person who receives or subscribes to a service, magazine, or service
Example
She is a subscriber to the monthly magazine.
彼女は月刊誌のサブスクライバーです。
C1 verb /ɪˈdʒɛkt/

eject

追い出す
Meaning
to force someone or something out, usually from a place or position
Example
The referee had to eject the player for unsportsmanlike behavior.
レフェリーはアンスポーツマンライクな行為で選手を追い出さなければならなかった。
B1 verb /ɪnˈvɑːlv/

involve

関与する
Meaning
to include as a necessary part, or to engage someone in an activity
Example
The project will involve several departments working together.
このプロジェクトは、いくつかの部署が一緒に働くことを含むでしょう。
C1 verb /ʌnˈsɛtl/

unsettle

動揺させる
Meaning
To disturb or make someone feel anxious or uneasy.
Example
The sudden news unsettled the entire community.
突然のニュースはコミュニティ全体を動揺させた。
C1 adjective /pæˈseɪ/

passe

時代遅れの; 流行遅れ
Meaning
no longer fashionable or current; out of date
Example
Some trends from last decade feel utterly passé now.
昨今のトレンドのいくつかは今や完全に時代遅れに見える。
B1 noun /pɪl/

pill

錠剤
Meaning
a small round piece of medicine to be swallowed
Example
He took a pill to relieve his headache.
彼は頭痛を和らげるためにピルを飲みました。
C1 verb /skɪmp/

skimp

ケチる
Meaning
to use less of something than is necessary in order to save money or effort
Example
Don’t skimp on quality when buying a new laptop.
新しいノートパソコンを買うときは、品質をケチらないでください。
B1 noun /ˈkʊkər/

cooker

調理器; 炊飯器
Meaning
a device or appliance used for cooking food; a person or thing that cooks
Example
The rice cooker makes cooking meals much easier.
炊飯器は料理をとても簡単にします。
C1 adjective /bɪˈfɪt.ɪŋ/

Befitting

適切な; ふさわしい; 特定の状況や人に適している
Meaning
appropriate; suitable; proper for a particular situation or person
Example
He wore formal attire befitting the important occasion.
彼は重要な機会にふさわしい正式な服を着ていた。
A2 verb /əˈnɔɪ/

annoy

イライラさせる
Meaning
to irritate or bother someone and make them feel a little angry or uncomfortable
Example
His constant humming started to annoy everyone in the room.
彼の絶え間ないハミングが部屋の中でみんなをイライラさせ始めた。
B1 verb meɪnˈteɪn

maintain

維持する
Meaning
To keep in good condition; to preserve or sustain.
Example
Maintaining discipline in educational institutions is crucial.
教育機関での規律を維持することは重要です。
C2 noun /ˌbeɪˈliː/

bailee

受寄者
Meaning
a person or party who temporarily receives possession of goods or property from another under a legal agreement
Example
The bailee must take reasonable care of the goods while they are in his possession.
受寄者は財産を適切に管理する義務がある。
A2 adjective /ˈprɒpər/

proper

適切な
Meaning
conforming to accepted standards of behavior or morality
Example
He made sure to wear proper attire for the interview.
彼は面接のために適切な服を着ることを確認しました。
C2 noun /ˈkɒmɪti/

comity

礼儀、相互尊重
Meaning
Courtesy and considerate behavior towards others; mutual respect.
Example
The meeting was conducted with comity and respect.
会議は礼儀と尊重の精神で行われました。
A2 noun /ˈbʊkstɔːr/

bookstore

書店
Meaning
a shop where books are sold
Example
She spent an entire afternoon browsing in the bookstore.
彼女は午後ずっと書店で過ごした。
C1 adjective /kweɪnt/

quaint

古風で魅力的な
Meaning
attractively unusual or old-fashioned
Example
They stayed in a quaint little cottage by the sea.
彼らは海の近くの趣のある小さな小屋に泊まりました。
C2 verb /əˈdʒʊər/

adjure

誓約させる
Meaning
to urge or command someone solemnly, often under oath or a strong sense of duty
Example
The witness was adjured to tell the truth in court.
証人は法廷で真実を話すように命じられた。
B1 adjective kənˈsɪs.tənt

consistent

一貫した
Meaning
Acting or done in the same way over time, especially so as to be fair or accurate.
Example
Consistent performance leads to success.
一貫したパフォーマンスは成功へと導きます。
C2 noun /fluːk/

fluke

偶然の幸運
Meaning
A stroke of luck; an unexpected piece of good fortune.
Example
Winning the lottery was a complete fluke.
宝くじに当たるのは完全に偶然の幸運だ。
B2 verb prəˈlɒŋ

prolong

延長する
Meaning
To extend the duration of something; to make something last longer.
Example
A healthy diet helps prolong life expectancy.
健康的な食事は寿命を延ばすのに役立ちます。
A1 adverb /ˈɔːlsoʊ/

also

また
Meaning
in addition; too
Example
She sings beautifully and also plays the guitar.
彼女は美しく歌い、またギターを弾きます。
B2 verb /ɪmˈbɑːrkɪŋ/

embarking

旅行を始める
Meaning
Beginning a journey or enterprise.
Example
The group is embarking on a long journey.
グループは長い旅行を始めるところです。
B1 noun /piː/

Pea

エンドウ豆
Meaning
a small round green seed eaten as a vegetable
Example
The children enjoyed eating sweet peas with dinner.
子供たちはディナーで甘いエンドウ豆を食べるのが好きでした。
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。
A2 noun /siːt/

seat

席
Meaning
a place to sit, especially a chair or other place for sitting
Example
I reserved a seat for you at the concert.
コンサートであなたのために席を予約しました。
B1 adjective ˌsaɪənˈtɪfɪk

scientific

科学的な
Meaning
Based on or characterized by the methods and principles of science.
Example
Scientific discoveries continue to shape our understanding of the world.
科学的な発見は私たちの世界理解を形成し続けています。
C1 noun /frəˈdʒɪl.ɪ.ti/

fragility

もろさ
Meaning
The quality of being fragile; delicateness.
Example
The cornea's fragility increases with rubbing.
角膜のもろさはこすることで増加します。
C1 adjective /ˌɛpɪˈsɒdɪk/

episodic

エピソディック
Meaning
Happening occasionally or in separate parts; related to episodes.
Example
Her interest in art was episodic, coming and going over the years.
彼女の芸術への興味はエピソディックで、何年もの間、来たり行ったりしていました。
B2 noun /ˈkiː.pər/

Keeper

守衛; 飼育係;
Meaning
a person whose job it is to guard or take care of something or someone; a goalkeeper
Example
The zoo keeper fed the animals every morning at eight o'clock.
動物園のキーパーは毎朝8時に動物たちに餌を与えていました。
B2 adjective /ɪˈmens/

Immense

巨大な; 膨大な; 非常に大きい
Meaning
extremely large or great; huge
Example
The immense mountain range stretched across the horizon.
その巨大な山脈は地平線を越えて広がっていました。
B2 noun /kəˈmændər/

Commander

司令官
Meaning
a person in authority over a military unit; leader of armed forces
Example
The commander ordered his troops to advance.
司令官は部隊に前進するよう命じました。
C2 noun /ˌpaɪrəˈmeɪniə/

pyromania

火をつけたいという抑制できない欲望
Meaning
An uncontrollable desire to set things on fire.
Example
The suspect was diagnosed with pyromania after repeated incidents of arson.
容疑者は繰り返される放火事件後にパイロマニアと診断されました。
C2 verb /dɪˈsɛvər/

dissever

分ける
Meaning
To separate or cut apart.
Example
The treaty sought to dissever the two hostile regions.
条約は二つの敵対的な地域を分割しようとした。
B2 verb /rɪp/

rip

裂ける
Meaning
to tear something quickly or violently
Example
He accidentally ripped his shirt on the fence.
彼はフェンスでシャツをうっかり裂けてしまいました。
B2 verb, noun, adjective /streɪ/

stray

迷子になる
Meaning
to move away from the correct path or go off course; a person or animal that has wandered off; something that is not where it belongs
Example
The dog strayed from the yard and got lost.
その犬は庭から外れ、迷子になった。
B2 verb /ˌkɒmprɪˈhɛnd/

comprehend

理解する
Meaning
to understand or grasp the meaning of something
Example
It is difficult to comprehend the scale of the disaster.
災害の規模を理解することは難しい。
C1 adjective /ˈɪnfəməs/

infamous

悪名高い
Meaning
well known for some bad quality or deed
Example
The dictator was infamous for his cruelty.
その独裁者はその残虐さで悪名高かった。
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。
C2 adjective /ˈsæpɪd/

sapid

美味しい
Meaning
Having a pleasant taste; flavorful.
Example
The chef prepared a sapid dish that delighted everyone at the table.
シェフはテーブルの全員を喜ばせる美味しい料理を準備しました。
B1 noun /stæf/

staff

スタッフ
Meaning
a group of employees working together in an organization
Example
The staff at the hospital are very helpful.
病院のスタッフはとても役に立ちます。
C1 verb /ɪnˈlɪst/

enlist

登録する
Meaning
to join or sign up, especially for military service; to secure someone's support or help
Example
He decided to enlist in the army after graduation.
彼は卒業後に軍隊に入隊することに決めました。
C1 adjective /ˈkɔːrəl/

choral

合唱に関連する
Meaning
Relating to, written for, or performed by a choir or chorus.
Example
The church hosted a choral performance on Sunday.
教会は日曜日に合唱のパフォーマンスを開催しました。
C1 noun /əbˈdʒɛktər/

objector

反対者
Meaning
a person who expresses opposition or disapproval to something
Example
The objector raised his concerns during the town meeting.
反対者は市議会の会議中に自分の懸念を表明しました。
C1 noun /wɪk/

Wick

キャンドルの芯
Meaning
a cord or strand of cotton that burns to provide light in a candle or lamp
Example
The candle wick needs to be trimmed for better burning.
キャンドルの芯は、より良く燃えるために切る必要があります。
B2 adjective /prɪˈpærəˌtɔːri/

Preparatory

準備的な; 入門的な; 準備のための
Meaning
preliminary; introductory; intended as preparation
Example
She attended preparatory classes before the final exam.
彼女は最終試験の前に準備クラスに参加しました。
C2 noun /məˈlɛvələns/

malevolence

悪意
Meaning
The state or condition of being malevolent; having or showing a wish to do evil to others.
Example
His malevolence was clear in the cruel way he treated his rivals.
彼の悪意は、彼がライバルを扱う残忍な方法において明らかだった。
C1 verb /ˌriːɪnˈtɪɡreɪt/

reintegrate

再統合する
Meaning
To bring someone or something back into a group or society after being separated.
Example
The program helps prisoners reintegrate into society.
そのプログラムは囚人が社会に再統合するのを助けます。
C1 noun /ˈtem.pər.ə.mənt/

Temperament

気質; 性格; 本性
Meaning
a person's natural disposition or mood; characteristic behavior patterns
Example
She has a calm temperament that helps her handle stress well.
彼女は穏やかな気質を持っており、ストレスをうまく処理するのに役立っています。
C1 noun /ˌrɛspɪˈreɪʃən/

respiration

Meaning
The process of breathing or the exchange of gases in living organisms.
Example
Respiration is essential for all living beings.
C2 noun /ˌɪrɪˈdɛsəns/

iridescence

虹色の輝き
Meaning
a play of lustrous, changing colors like those of a rainbow
Example
The butterfly's wings shimmered with iridescence.
蝶の羽は虹色の輝きで輝いていました。
B2 adjective /ˈlɪtərəl/

literal

字義通り
Meaning
taking words in their usual or most basic sense without metaphor or exaggeration
Example
His comment was meant as a joke, not to be taken in a literal sense.
彼のコメントは冗談として言われたので、字義通りに受け取るべきではありません。
B2 noun /ˈwaɪnəri/

winery

ワイナリー
Meaning
a place where wine is made
Example
They visited a famous winery in France.
彼らはフランスの有名なワイナリーを訪れました。
C1 verb /dɪsˈhɑːrtn/

dishearten

落胆させる
Meaning
to cause someone to lose determination or confidence; to discourage
Example
The constant rejection letters began to dishearten the young writer.
継続的な拒否の手紙が若い作家を落胆させ始めた。
B2 noun /ˈpæm.flət/

pamphlet

パンフレット
Meaning
a small booklet or brochure containing information or arguments about a subject
Example
The health department distributed a pamphlet about nutrition.
健康部門は栄養に関するパンフレットを配布しました。
C2 adjective /əbˈstrɛpərəs/

obstreperous

騒がしくて制御が難しい
Meaning
Noisy and difficult to control.
Example
The obstreperous students disrupted the class.
騒がしい学生たちが授業を妨害した。
C1 verb /ˌpriːdɪˈspoʊz/

predispose

予備的にする
Meaning
To make someone more likely to behave in a certain way or be affected by something.
Example
His genetics may predispose him to diabetes.
彼の遺伝子は、彼が糖尿病になる可能性を高めるかもしれません。
B2 noun ˈsɪblɪŋz

Siblings

兄弟姉妹
Meaning
Each of two or more children or offspring having one or both parents in common.
Example
Siblings are usually placed on the same level in a family tree.
兄弟姉妹は通常、家系図で同じレベルに配置されます。
B1 adjective /ˌel.ɪˈmen.tər.i/

Elementary

初歩的; 基本的
Meaning
basic; fundamental; primary level
Example
He learned elementary mathematics in school.
彼は学校で初歩的な数学を学んだ。
C1 adjective /suːˈpɜːr.flu.əs/

superfluous

余分な
Meaning
Unnecessary, especially through being more than enough.
Example
His speech contained too many superfluous details.
彼のスピーチには、余分な詳細が多すぎた。
C2 noun /njʊˈrældʒə/

neuralgia

神経痛
Meaning
intense, often intermittent pain along a nerve pathway
Example
The patient suffers from neuralgia in her face.
患者は顔に神経痛を抱えています。
C1 noun /ˈvɜːrtɛks/

vertex

頂点
Meaning
The highest point; the top or the apex.
Example
The climber reached the vertex of the mountain.
登山者は山の頂点に達しました。
B1 noun/adjective /ˈnɒvəl/

novel

小説 / 新しい
Meaning
A long fictional narrative; also something new or unusual.
Example
She spent the weekend reading a historical novel.
彼女は週末に歴史小説を読んで過ごしました。
C1 adjective /ˈlɔːf.ti/

Lofty

高い; 崇高な性格; 高貴なスタイル
Meaning
of great height; noble in character; elevated in style
Example
He has lofty ideals about making the world a better place.
彼は世界をより良い場所にするという高い理想を持っています。
C1 verb /dɪˈstɪl/

distill

Meaning
To purify a liquid by heating and cooling; to extract the essential meaning or most important aspects.
Example
The factory distills water to make it safe for drinking.
A1 adjective /ˈdɪf.ər.ənt/

different

異なる
Meaning
Not the same as another; distinct or unlike.
Example
Her opinion was completely different from mine.
彼女の意見は私のものとは完全に異なっていました。
C1 noun /ˈɛpɪˌlɔːɡ/

epilogue

エピローグ
Meaning
A section at the end of a book, play, or speech that serves as a conclusion.
Example
The author included an epilogue to explain what happened to the characters later.
著者は登場人物たちのその後について説明するためにエピローグを追加しました。