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C1 noun /ˈaɪsətəʊp/

isotope

同位体
Meaning
Atoms of the same element with equal number of protons but different numbers of neutrons.
Example
Carbon-14 is a radioactive isotope used in dating fossils.
炭素-14は化石の年代を測定するために使用される放射性同位体です。
B2 noun /nɒt/

Knot

結び目
Meaning
a fastening made by tying a piece of string, rope, or something similar; a hard mass in wood
Example
The sailor tied a secure knot to anchor the boat safely.
船乗りはボートを安全に停泊させるためにしっかりとしたノットを結びました。
B2 noun /ˈɪə.rə/

Era

時代
Meaning
a long and distinct period of history with a particular feature or characteristic
Example
The Renaissance was an era of great artistic and cultural achievement.
ルネサンスは大きな芸術的および文化的業績の時代でした。
C2 adjective /ˈdæpər/

dapper

おしゃれで清潔
Meaning
Neat, stylish, and well-dressed in appearance.
Example
He looked very dapper in his new suit.
彼は新しいスーツでとてもおしゃれに見えた。
C1 noun ˌmɪs.kənˈsɛp.ʃən

misconception

誤解
Meaning
A wrong idea or false understanding about something.
Example
There is a common misconception that success happens overnight.
成功は一夜にして成るという誤解が広まっている。
C2 adjective /ˈveɪpərəs/

Vaporous

蒸気のような; 曖昧な
Meaning
consisting of vapor; vague or insubstantial
Example
The morning air was filled with vaporous mist.
朝の空気は蒸気のような霧で満たされていました。
B1 noun /aʊl/

Owl

フクロウ
Meaning
a nocturnal bird of prey with large eyes and a hooked beak
Example
The owl hooted softly in the darkness of the forest.
フクロウは森の暗闇で静かに鳴いた。
B2 verb /ˈɪr.ɪ.teɪt/

irritate

イライラさせる
Meaning
To make someone annoyed or angry; to cause discomfort or inflammation.
Example
Rubbing your eyes can irritate them.
目をこすると、それが刺激になることがあります。
B2 noun /ˈlɪtə(r)/

liter

Meaning
a metric unit of volume equal to one cubic decimeter
Example
The recipe calls for two liters of water.
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。
B2 adjective /pɪˈkjuː.li.ər/

Peculiar

奇妙な; 異常な; 珍しい
Meaning
strange or odd; unusual; belonging exclusively to
Example
She has a peculiar way of speaking.
彼女は奇妙な話し方をしています。
B1 adjective /trɪˈmendəs/

Tremendous

巨大な; 驚くべき; 異常な
Meaning
extremely large, great, or intense; extraordinary
Example
She made tremendous progress in her studies.
彼女は勉強で巨大な進歩を遂げました。
B1 noun ˌen.dʒɪˈnɪə.rɪŋ

engineering

工学
Meaning
The application of scientific and mathematical principles to design, build, and maintain structures, machines, or systems.
Example
Genetic engineering transforms agricultural practices.
遺伝子工学は農業の実践を変革します。
B1 noun /ˈseɪ.ɪŋ/

Saying

格言
Meaning
a well-known phrase that expresses something true about life; a proverb
Example
There's an old saying that practice makes perfect.
「継続は力なり」という古い格言があります。
B1 adjective /ˈsɒlɪd/

solid

固体
Meaning
firm and stable in shape; not liquid or fluid
Example
The ground was solid underfoot.
地面は足元で固かった。
B2 noun /ˈpredʒ.ə.dɪs/

Prejudice

偏見
Meaning
preconceived opinion that is not based on reason or actual experience
Example
We must fight against prejudice and discrimination in our society.
私たちは私たちの社会で偏見と差別に立ち向かわなければならない。
C1 noun/adjective /ˈluː.nə.tɪk/

lunatic

狂人
Meaning
A person who is insane or acting in a foolish or reckless way; also used as an adjective meaning insane.
Example
The driver was driving like a lunatic on the highway.
運転手は高速道路で狂人のように運転していた。
A2 noun /stoʊn/

stone

石
Meaning
a hard, naturally occurring mineral material found in the earth
Example
He threw a stone into the lake.
彼は湖に石を投げました。
C1 adjective /ˈlɪvɪd/

livid

怒っている
Meaning
Extremely angry; furious.
Example
She was livid when she found out about the betrayal.
裏切りを知って彼女は怒っていた。
C1 noun /ˈmæɡnɪtuːd/

Magnitude

規模; 大きさ; 重要性
Meaning
The great size or extent of something; importance
Example
The magnitude of the earthquake was measured at 7.5 on the Richter scale.
地震のマグニチュードはリヒタースケールで7.5に測定されました。
C1 noun /ˌɪn.dʒəˈnjuː.ɪ.ti/

ingenuity

独創性
Meaning
The quality of being clever, original, and inventive.
Example
His ingenuity led to groundbreaking innovations.
彼の創意工夫は画期的な革新を生み出しました。
B2 noun /ˈem.ər.əld/

Emerald

エメラルド
Meaning
a bright green precious stone used in jewelry
Example
The emerald necklace sparkled in the sunlight.
エメラルドのネックレスは太陽の光で輝いていました。
C2 noun /ˌmɪsˈtʃæns/

mischance

Meaning
An unfortunate accident or event; bad luck.
Example
By mischance, he missed the last train home.
B1 noun /dɪˈzɜːrts/ (noun: reward or punishment deserved)

deserts

誰かが得るべきもの、特に罰や報酬
Meaning
what someone deserves, especially punishment or reward
Example
He finally got his just deserts for cheating in the exam.
彼は試験でカンニングをして、ついに自分の正当な報いを受けました。
C1 noun ˈsɛlf pəˈzɪʃən

self-possession

自己抑制
Meaning
The quality of being calm and confident and in control of one's emotions; composure.
Example
His self-possession during the crisis was remarkable.
彼の危機的な状況での自己抑制は素晴らしかった。
C2 noun /ˈproʊbɪti/

probity

誠実
Meaning
The quality of having strong moral principles; honesty and decency.
Example
The judge was admired for his integrity and probity.
その裁判官は、誠実さと正直さで賞賛されました。
C2 noun /ˌɔːltərˈkeɪʃən/

altercation

口論, 言い争い
Meaning
a noisy argument or quarrel
Example
There was a brief altercation between the two drivers.
二人のドライバーの間で短い口論がありました。
C2 adjective /eɪˈsɛfələs/

acephalous

Meaning
having no leader or head; headless
Example
The acephalous group soon fell into disorganization.
B2 verb /buːst/

boost

増加させる
Meaning
To increase, improve, or raise something.
Example
The company launched a campaign to boost sales.
会社は売上を増加させるためのキャンペーンを開始しました。
C1 verb /rɪˈfjuːt/

refute

反論する
Meaning
To prove a statement, argument, or theory to be false or invalid.
Example
The lawyer refuted the witness's testimony with solid evidence.
弁護士は証人の証言を確かな証拠で反論しました。
A1 noun /ʃɒp/

shop

店
Meaning
a place where goods are sold to customers
Example
I need to go to the shop to buy some groceries.
私は食料品を買うためにショップに行かなければならない。
B2 noun /ɡriːnz/

Greens

葉物野菜
Meaning
Leafy vegetables such as spinach, lettuce, and cabbage
Example
Eating greens is important for good health.
葉物野菜を食べることは健康にとって重要です。
B2 noun /ˈdʒæn.ɪ.tər/

Janitor

清掃員、管理人
Meaning
a person employed to clean and maintain a building; a caretaker
Example
The school janitor worked late every evening to ensure the classrooms were spotless.
学校の清掃員は、教室が清潔に保たれるように毎晩遅くまで働いていました。
C2 noun /ˌdʒer.ɪˈmaɪ.æd/

Jeremiad

長い嘆き; 悲しみの苦情; 災難のリスト
Meaning
a long mournful complaint or lamentation; a list of woes; a prolonged expression of grief
Example
The newspaper editorial was a jeremiad about the decline of moral values in society.
新聞の社説は社会における道徳的価値の衰退についてのジェレミアッドだった。
B1 noun kəˈmɪt.mənts

commitments

約束
Meaning
Formal pledges or promises to do something, especially in terms of obligations or agreements.
Example
Global commitments to renewable energy are increasing.
再生可能エネルギーに対する世界的な約束が増加しています。
C2 noun /ˌsuː.pɚˈfluː.ə.t̬i/

superfluity

過剰
Meaning
An excessive amount of something; more than what is needed.
Example
The room was filled with a superfluity of decorations.
部屋は装飾で過剰に満たされていました。
B2 verb /dɪˈspoʊz/

dispose

処分する
Meaning
To get rid of something, or to arrange or incline towards something.
Example
He disposed of the old furniture responsibly.
彼は古い家具を責任を持って処分しました。
C1 noun /ˈrʌp.tʃər/

Rupture

破裂; 関係の断絶
Meaning
breaking or bursting apart; breakdown of relations
Example
The rupture in the pipeline caused a massive oil spill.
パイプラインの破裂が大規模な石油漏れを引き起こしました。
C1 noun ˈnærətɪv staɪl

narrative style

物語のスタイル
Meaning
The way in which a story is told, including the point of view and the voice of the narrator.
Example
Dickens' narrative style is engaging and emotional.
ディケンズの物語のスタイルは魅力的で感情的です。
C2 adjective /ˈbʌlbəs/

bulbous

膨らんだ / 丸い
Meaning
Bulging, round, or swollen in shape; resembling a bulb.
Example
The frog had a bulbous nose and big eyes.
カエルは膨らんだ鼻と大きな目をしていました。
B2 noun /ˈɡɑːr.di.ən/

Guardian

守護者; 後見人
Meaning
a defender, protector, or keeper; a person legally responsible for the care of someone unable to manage their own affairs
Example
After her parents died, her uncle became her legal guardian and took care of her.
両親が亡くなった後、彼女の叔父は彼女の法的な後見人となり、彼女の世話をしました。
B2 adjective /ˈtɒksɪk/

Toxic

有毒な; 有害なまたは不快な
Meaning
poisonous; very harmful or unpleasant
Example
The factory released toxic chemicals into the river.
工場は有害な化学物質を川に排出しました。
C2 adjective /ˈdekərəs/

decorous

品位のある
Meaning
showing proper and polite behavior; marked by good taste
Example
The audience gave a decorous applause after the performance.
観客は公演後に品位のある拍手を送りました。
A2 noun /ˈdʒel.i/

Jelly

ゼリー
Meaning
a sweet soft food made from fruit juice and sugar; a semi-solid substance with a jelly-like consistency
Example
She spread grape jelly on her toast for breakfast.
彼女は朝食にトーストにブドウゼリーを塗りました。
B2 noun /ˈpleɪˌɔːf/

playoff

チャンピオン決定戦
Meaning
a series of games played to determine a champion among top teams
Example
The team qualified for the playoffs after a strong season.
チームは強いシーズン後にプレーオフに進出しました。
C2 verb /ˈstjuːpɪˌfaɪ/

stupefy

驚かす
Meaning
to make someone unable to think clearly, usually because of surprise or shock
Example
The magician's tricks stupefied the audience.
マジシャンのトリックは観客を驚かせた。
C1 noun /ˈdɔːrˌkiːpər/

doorkeeper

門番
Meaning
A person whose job is to guard or manage the entrance of a building or room.
Example
The doorkeeper checked everyone’s passes before they entered the hall.
ドアキーパーは皆がホールに入る前に通行証を確認した。
C2 verb /ˈpʌkər/

pucker

Meaning
to tighten or contract into small folds or wrinkles
Example
She puckered her lips before kissing the child.
C1 noun/verb /ˈfʌrəʊ/

furrow

Meaning
A long narrow trench made in the ground by a plow; to make wrinkles or grooves.
Example
The farmer plowed furrows in the field.
C1 adjective /ɪnˈtændʒəbl/

intangible

無形の
Meaning
Unable to be touched or grasped; not having a physical presence.
Example
Trust is an intangible quality in relationships.
信頼は関係において無形の特質です。
B2 adverb /ˈɜːrdʒəntli/

urgently

緊急に
Meaning
in a way that requires immediate attention or action
Example
The patient urgently needs medical attention.
患者は緊急に医療処置が必要です。
B2 verb /ˈsɪmbəlaɪz/

symbolize

象徴する
Meaning
to represent or stand for something else
Example
The dove symbolizes peace across cultures.
鳩は文化を超えて平和を象徴しています。
C2 verb /kɔːk/

calk

ボートのひび割れを塞ぐ
Meaning
To make a boat or ship watertight by filling seams or cracks.
Example
The workers calked the seams of the old boat to prevent leaks.
作業員たちは古いボートの継ぎ目をコーキングして漏れを防いだ。
B1 verb /dɪˈvaɪd/

divide

分ける
Meaning
to separate into parts; to split or break apart
Example
Please divide the cake into eight pieces.
ケーキを8つに分けてください。
B2 verb /rɪˈstreɪn/

restrain

抑制する
Meaning
to hold back or control; to limit or restrict
Example
Please restrain your dog.
犬を制御してください。
C1 noun /ˈæspɪrənt/

aspirant

志願者
Meaning
a person who seeks or hopes to achieve a position of honor or advancement
Example
She is an aspirant for the university's top scholarship.
彼女は大学の最優秀奨学金の志願者です。
C2 adjective /dɪˈkrɛpɪt/

decrepit

老朽
Meaning
worn out or weakened by age or neglect
Example
The decrepit old house was on the verge of collapse.
その老朽化した家は崩壊寸前でした。
B1 noun /bʊk ˈsel.ər/

Book seller

本屋
Meaning
a person who sells books, especially as a business
Example
The book seller recommended a great novel for my summer reading.
本屋は私の夏の読書のために素晴らしい小説を勧めました。
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。
C1 adjective ɡəˈlæktɪk

galactic

銀河に関連する
Meaning
Of or relating to a galaxy or galaxies.
Example
The galactic phenomena observed by the telescope were mesmerizing.
望遠鏡で観測された銀河系の現象は魅力的でした。
C2 noun /ˈvɪtəlz/

victuals

食料
Meaning
Food or provisions, especially for human consumption.
Example
The travelers packed enough victuals for their long journey.
旅行者たちは長い旅のために十分な食料を詰め込みました。
B2 adjective /dɪsˈɡreɪsfəl/

Disgraceful

恥ずべき; 不名誉な; 非難に値する
Meaning
shameful; bringing dishonor; worthy of condemnation
Example
His disgraceful behavior shocked everyone at the party.
彼の恥ずべき行動はパーティーでみんなを驚かせました。
B1 noun /tiːn/

teen

ティーンエイジャー
Meaning
a person aged between 13 and 19 years.
Example
He's a teenager who loves sports.
彼はスポーツが好きなティーンエイジャーです。
C1 adjective /dɪˈreɪndʒd/

deranged

狂気
Meaning
mentally disturbed or insane; behaving irrationally
Example
The deranged man shouted nonsense in the street.
狂った男が街で無意味なことを叫んでいた。
C2 adjective /ˌɪrɪˈlɪdʒəs/

irreligious

無宗教
Meaning
Indifferent or hostile to religion
Example
Some people in the community consider him irreligious because he never attends religious services.
コミュニティの中で、彼は宗教的なサービスに一度も参加しないため、無宗教だと考えられています。
B2 noun /ɪnˈkluːʒən/

inclusion

インクルージョン
Meaning
the action or state of including or being included within a group or structure
Example
Diversity and inclusion are key values in modern workplaces.
多様性とインクルージョンは現代の職場における重要な価値観です。
B1 verb /səˈspɛkt/

suspect

疑う
Meaning
to believe that someone has done something wrong; to doubt or mistrust
Example
I suspect he is lying about his whereabouts.
彼が居場所について嘘をついていると思います。
A2 noun /tʃæns/

chance

チャンス
Meaning
An opportunity or possibility of something happening.
Example
He took a chance and applied for the job.
彼はチャンスを取り、仕事に応募した。
C2 verb /bɪˈdræɡəl/

bedraggle

泥や水を引きずって物を濡らし、汚し、乱れさせる
Meaning
to make something wet, dirty, and untidy by dragging it through mud or water
Example
The children came home bedraggled after playing in the rain.
子供たちは雨の中で遊んだ後、濡れて泥だらけで家に帰った。
C2 noun /ˈkedʒ.ə.riː/

Kedgeree

ケジリー
Meaning
a European dish of cooked rice, fish, and hard-boiled eggs, originally from India
Example
The breakfast menu featured traditional kedgeree with smoked haddock and eggs.
朝食のメニューには、スモークハドックと卵が入った伝統的なケジリーがありました。
B2 verb /ɪkˈspɛl/

expel

追放する
Meaning
to officially force someone to leave a place or organization
Example
The student was expelled from school for misconduct.
その学生は不正行為で学校から追放されました。
C1 noun kəˈlæt.ər.əl

collateral

担保、ローンの保証として提供される資産
Meaning
Something pledged as security for repayment of a loan, to be forfeited in the event of a default.
Example
The bank requires collateral for loan approval.
銀行はローン承認のために担保を要求します。
C1 adverb /ˈfɪksɪdli/

Fixedly

固定的に
Meaning
in a steady, unmoving manner; with intense concentration
Example
He stared fixedly at the painting.
彼は絵を固定的に見つめていた。
B2 noun /həˈraɪ.zən/

horizon

地平線
Meaning
the line where the earth seems to meet the sky; the limit of one's knowledge, experience, or interest
Example
The sun disappeared below the horizon.
太陽は地平線の下に消えました。
B1 noun /mɑːsks/

masks

マスク
Meaning
Coverings for all or part of the face, worn as a disguise, for protection, or for medical reasons.
Example
Masks can protect against polluted air.
マスクは汚染された空気から守ることができます。
B1 adjective /ʌnˈnoʊn/

Unknown

未知
Meaning
not known or identified; unfamiliar
Example
The author of this letter remains unknown.
この手紙の著者は不明のままです。
C2 verb /dɪsˈbɜːrs/

disburse

分配する
Meaning
to pay out money, especially from a fund
Example
The organization will disburse the funds to the affected families.
その団体は影響を受けた家族に資金を分配します。
C2 noun /ˌænəlˈdʒiːziə/

analgesia

鎮痛
Meaning
The inability to feel pain while still conscious.
Example
The doctor induced analgesia before performing the procedure.
医者は手術を行う前に鎮痛を誘発した。
B2 verb, noun /ˈtæk.əl/

tackle

Meaning
to try to deal with or solve a difficult problem; to physically stop someone in sports by knocking them down
Example
The coach taught the players how to tackle properly.
A2 adverb /ˈnaʊədeɪz/

Now-a-days

今どき; 現在
Meaning
at the present time; in these times
Example
Now-a-days, people prefer online shopping.
現在、人々はオンラインショッピングを好む。
B2 noun /ˌɛdɪˈtɔːriəl/

editorial

社説
Meaning
A newspaper article expressing the opinion of the editor or publisher.
Example
The newspaper published an editorial criticizing government policy.
新聞は政府の政策を批判する社説を発表しました。
B2 adjective /ˈtræŋkwɪl/

tranquil

静かな
Meaning
Free from disturbance; calm and peaceful.
Example
A tranquil environment promotes relaxation and focus.
静かな環境はリラックスと集中を促進します。
C1 noun /ˈstændˌstɪl/

standstill

停滞
Meaning
a situation in which all movement or activity stops
Example
The traffic came to a standstill after the accident.
事故後、交通は停滞しました。
C1 noun məˈriːn ˈsɜː.veɪ

marine survey

海洋調査
Meaning
A systematic examination of the sea, seabed, and underwater features for the purpose of making maps or gathering other information.
Example
The marine survey identified the ideal cable routes.
海洋調査によって理想的なケーブルルートが特定された。
B2 adjective /ˈtaɪə.səm/

Tiresome

疲れる; 退屈な
Meaning
causing weariness or boredom; tedious
Example
The long lecture was tiresome and repetitive.
長い講義は疲れさせ、繰り返しが多かった。
B2 noun /bɑnd/

Bond

絆; 債券
Meaning
a close connection joining two or more people; a certificate of debt issued by a government or corporation
Example
The strong bond between the mother and child was evident.
母親と子供の間の強い絆は明らかでした。
C2 adjective /ɪnˈskruːtəbl̩/

inscrutable

幸福
Meaning
impossible to understand or interpret
Example
His inscrutable expression made it hard to know what he was thinking.
彼女は賞を受け取ったとき、幸せを隠すことができませんでした。
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。
C2 adjective /ˌɛkspəˈdɪʃəs/

expeditious

迅速
Meaning
Done with speed and efficiency.
Example
The expeditious delivery of the package was appreciated.
パッケージの迅速な配達が評価されました。
B1 noun /ˌrɛdʒɪˈstreɪʃən/

registration

登録
Meaning
the action or process of enrolling or signing up for something
Example
The registration for the event will close tomorrow.
イベントの登録は明日締め切りです。
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。
C2 noun /ˈdʒuː.dɪˌkeɪ.tʃər/

judicature

司法制度
Meaning
the administration of justice or the system of courts
Example
The judicature ensures that laws are fairly applied.
司法制度は法律が公平に適用されることを保証します。
C2 verb /ɪˈfjuːz/

effuse

表現する
Meaning
To pour out or express feelings freely and openly.
Example
She effused gratitude for the help she received.
彼女は受け取った助けに感謝の気持ちを表しました。
C2 verb /ˈrʌstɪkeɪt/

rusticate

田舎に行く / 大学から一時的に追放する
Meaning
To go to the countryside or to suspend someone from university.
Example
He decided to rusticate in the village to escape the busy city life.
彼は忙しい都市生活から逃れるために村に行くことを決めました。
B2 noun /liːk/

Leak

漏れ; 穴
Meaning
a hole in a container or covering through which contents escape or enter accidentally
Example
There is a leak in the water pipe.
水道管にリークがあります。
C2 noun /moʊˈtɪləti/

motility

運動性
Meaning
The ability of an organism or cell to move independently.
Example
The motility of sperm is crucial for successful fertilization.
精子の運動性は受精成功のために重要です。
C2 noun /ˈweɪvlət/

wavelet

小さな波
Meaning
a small wave or ripple on the surface of water or another medium
Example
The pond was disturbed only by the tiny wavelets caused by the breeze.
池は風によって引き起こされた小さな波によってのみ乱されました。
C1 adjective /ˈpɒp.jʊ.ləs/

Populous

人口密度が高い
Meaning
having a large population; densely populated; crowded with people
Example
China is the most populous country in the world.
中国は世界で最も人口の多い国です。
C2 noun /ˈprɒsɪlaɪt/

proselyte

改宗者
Meaning
A person who has converted from one belief, opinion, or religion to another.
Example
She became a proselyte after converting to a new faith.
彼女は新しい信仰に改宗した後、改宗者になった。
A2 noun /ˈden.tɪst/

Dentist

歯医者
Meaning
a medical professional who treats teeth and oral health
Example
I need to visit the dentist for a regular checkup.
定期検診のために歯医者に行かなければなりません。
C1 noun kəˈmɛns.mənt

commencement

開始
Meaning
The beginning of something; a ceremony at which degrees or diplomas are conferred on graduating students.
Example
The commencement ceremony marked the start of a new journey.
卒業式は新しい旅の始まりを意味していました。
C2 noun /ˈhænd ˌrɪŋɪŋ/

hand-wringing

過剰な心配
Meaning
excessive worry or concern expressed in a visible or dramatic way.
Example
There was much hand-wringing over the political crisis.
政治危機について多くの心配がありました。
C1 adjective /ˈmʌðərli/

Motherly

母性的
Meaning
having qualities characteristic of a mother; caring and protective
Example
She showed motherly care and affection towards all the children.
彼女はすべての子供たちに母親のようなケアと愛情を示しました。
C1 noun /ˌæntɪˈsiːdənt/

antecedent

先例
Meaning
something that came before; a previous event, condition, or cause
Example
The cultural antecedents of this festival go back centuries.
この祭りの文化的な先例は何世紀も前に遡ります。
C2 adverb /ˈprɒksɪmətli/

proximately

近く
Meaning
In a near or close manner; nearly.
Example
The village lies proximately to the river.
村は川の近くにあります。
C2 adjective /ˌɪrɪˈdjuːsəbl/

irreducible

不可約
Meaning
impossible to reduce or simplify further
Example
The fraction 3/7 is irreducible.
分数 3/7 は不可約です。
B2 adjective /ˈpleɪfəl/

playful

遊び好きな, 活発な
Meaning
full of fun and high spirits; lively
Example
The puppy was very playful, running around the garden.
子犬はとても遊び好きで、庭を走り回っていました。
C1 verb /kʌl/

cull

Meaning
to select or remove from a larger group, often to reduce numbers
Example
The farmers decided to cull the sick animals from the herd.
A1 noun, verb /ˈiː.meɪl/

e-mail

電子メール
Meaning
messages distributed by electronic means from one computer user to another
Example
I sent an e-mail to my professor yesterday.
私は昨日、教授に電子メールを送りました。
B1 noun /ˈfeɪ.ljər/

Failure

失敗
Meaning
lack of success; an unsuccessful person, enterprise, or thing
Example
The project's failure was due to poor planning and communication.
プロジェクトの失敗は、計画とコミュニケーションの不備によるものでした。
B1 adjective /ˈtɪpɪkəl/

typical

特定の種類の人や物の通常の特徴を持つ
Meaning
having the usual qualities of a particular type of person or thing
Example
It was a typical summer day, hot and humid.
それは典型的な夏の日で、暑くて湿気がありました。
C2 adverb /ˈɪntʃmiːl/

inchmeal

少しずつ
Meaning
Gradually, little by little.
Example
The old castle fell inchmeal into ruin.
その古い城は少しずつ廃墟になった。
C2 noun /ˈkæm.fər/

Camphor

カンフル
Meaning
a white crystalline substance with a strong aromatic smell, used in medicine and religious ceremonies
Example
The temple was filled with the fragrant smoke of burning camphor.
寺院は燃えているカンフルの芳香煙で満たされていました。
C2 adjective /rɪˈmjuːnərətɪv/

remunerative

利益がある
Meaning
Financially rewarding or profitable.
Example
He chose a remunerative career in medicine.
彼は医学の中で利益のあるキャリアを選びました。
B1 verb /siːl/

seal

封印する、閉じる
Meaning
to close or secure something tightly or officially confirm something
Example
He sealed the envelope before sending the letter.
彼は手紙を送る前に封筒をシールしました。
C1 noun /dɪˈrɪʒən/

derision

嘲笑
Meaning
Contemptuous ridicule or mockery.
Example
His ideas were greeted with derision by the audience.
彼のアイデアは観客によって嘲笑された。
C2 adjective /vərˈmɪkjələr/

vermicular

ミミズのような
Meaning
having a shape or appearance like a worm; worm-like
Example
The artist used a vermicular design to decorate the border of the manuscript.
アーティストは手稿の縁をミミズのようなデザインで飾った。
B2 noun /ɪˈfɛktɪvnəs/

effectiveness

効果
Meaning
the degree to which something is successful in producing a desired result.
Example
The effectiveness of the new policy is still being evaluated.
新しい政策の効果はまだ評価中です。
C2 adjective /ˌpluːˈpɜːrfɪkt/

pluperfect

過去完了形
Meaning
a verb tense expressing an action completed before another past action
Example
By the time she arrived, he had finished his homework, showing the pluperfect tense.
彼女が到着したとき、彼はすでに宿題を終わらせており、過去完了形を示しています。
C2 noun /kəˈdʌm.bə/

Kadamba

カダンバの木
Meaning
A tropical tree with round, fragrant orange flowers, sacred in Hindu culture and associated with Lord Krishna
Example
The kadamba tree is mentioned frequently in ancient Indian poetry.
カダンバの木は古代インドの詩で頻繁に言及される。
C1 noun /ɪˈmiːdiəsi/

immediacy

即時性, 緊迫感
Meaning
The quality of bringing one into direct and instant involvement with something, giving rise to a sense of urgency or excitement.
Example
The immediacy of digital communication has reshaped business operations.
デジタルコミュニケーションの即時性は、ビジネスの運営方法を変えました。