feign
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C1 verb /feɪn/

feign

装う、ふりをする
Meaning
to pretend or fake; to give a false appearance of
Example
She feigned illness to avoid going to work.
彼女は仕事に行かないために病気を装った。
C1 noun /ˈfæm.ɪn/

Famine

飢饉
Meaning
extreme scarcity of food; a period when food is extremely scarce
Example
The severe drought led to widespread famine in the region.
厳しい干ばつが地域で広範な飢饉を引き起こしました。
C1 noun /ˈfaɪər.wɔːl/

firewall

ファイアウォール
Meaning
A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Example
A firewall protects networks from cyber-attacks.
ファイアウォールはネットワークをサイバー攻撃から守ります。
C1 noun /ˈfen.jʊ.griːk/

Fenugreek

フェヌグリーク
Meaning
an herb whose seeds and leaves are used as a spice in cooking
Example
Fenugreek seeds have a slightly bitter taste and are commonly used in Indian cuisine.
フェヌグリークの種は少し苦味があり、インディアン・カレーなどでよく使われます。
C1 noun /ˈfoʊliɪdʒ/

foliage

Meaning
The leaves of a plant, collectively.
Example
The autumn foliage looked stunning in the park.
秋の葉は公園で素晴らしく見えました。
C1 noun /ˈfɛərˌɡraʊndz/

fairgrounds

見本市会場
Meaning
A designated area where fairs, exhibitions, and amusement events are held
Example
The town set up rides and stalls at the fairgrounds for the annual festival.
町は年次祭のために見本市会場に乗り物と屋台を設置した。
C1 noun /ˈfeɪvərɪtɪzəm/

favoritism

えこひいき
Meaning
the practice of giving unfair preferential treatment to one person or group
Example
The manager was accused of favoritism towards certain employees.
マネージャーは特定の従業員に対する偏愛で告発されました。
C1 verb /ˈflaʊndər/

flounder

もがく
Meaning
To struggle or stagger clumsily; to experience difficulty or confusion.
Example
He floundered in the interview when asked difficult questions.
彼は面接で難しい質問をされて、うろたえました。
C1 noun /fɔːrˈmæl.ə.ti/

Formality

形式
Meaning
the rigid observance of rules of convention or etiquette; a thing done simply to comply with requirements
Example
The signing of the contract was just a formality; the deal was already agreed upon.
契約書にサインすることは単なる形式でした。契約はすでに合意されていました。
C1 noun /ˈfren.zi/

Frenzy

熱狂
Meaning
a state or period of uncontrolled excitement or wild behavior; intense activity
Example
The announcement of the sale created a shopping frenzy at the mall.
セールの発表はショッピングの熱狂を引き起こしました。
C1 adjective /frɔːt/

fraught

満ちた
Meaning
Filled with or likely to result in something undesirable.
Example
The negotiations were fraught with tension and uncertainty.
交渉は緊張と不確実性で満ちていました。
C1 noun /fəˌsɪlɪˈteɪʃən/

facilitation

容易化
Meaning
The action of facilitating or making an action or process easier or helping bring about an outcome.
Example
Her facilitation made the meeting run smoothly.
彼女のファシリテーションにより、会議はスムーズに進行しました。
C1 adjective ˈfɔːr.mɪ.də.bəl

formidable

手ごわい
Meaning
Inspiring fear or respect through being impressively large, powerful, intense, or capable.
Example
The boxer was a formidable opponent in the ring.
そのボクサーはリングで手ごわい相手だった。
C1 verb /fɔːˈbɛər/

forbear

控える
Meaning
To refrain from doing something; to show patience or self-control.
Example
She forbore from commenting on his mistake.
彼女は彼の間違いについてコメントするのを控えました。
C1 noun /ˈfɔːrsəm/

foursome

四人組
Meaning
a group of four people or things, especially in games or social activities
Example
The foursome enjoyed a game of golf together.
四人組は一緒にゴルフを楽しみました。
C1 noun /fəˈnætɪsɪzəm/

fanaticism

熱狂
Meaning
the quality of being fanatical; extreme zeal or obsession
Example
Religious fanaticism can lead to intolerance and conflict.
宗教的な熱狂は不寛容と対立を引き起こす可能性があります。
C1 verb /fɔːrˈʃædoʊ/

foreshadow

予兆する
Meaning
To indicate or suggest something that will happen in the future
Example
Dark clouds foreshadowed an approaching storm.
暗い雲が近づく嵐を予兆していた。
C1 adjective /ˈfɪɡərətɪv/

figurative

比喩的
Meaning
not literal; using figures of speech or symbolic representation
Example
She used figurative language to describe her feelings.
彼女は感情を表現するために比喩的な言葉を使いました。
C1 noun /fruːˈɡæl.ə.ti/

frugality

倹約
Meaning
The quality of being economical in use or expenditure; not wasteful.
Example
Frugality is essential for saving money effectively.
倹約はお金を効果的に節約するために不可欠です。
C1 adjective /ˈfræɡməntɪd/

fragmented

断片化, 分割, 不完全
Meaning
Having been broken into fragments; disjointed or incomplete.
Example
The information was fragmented and difficult to understand.
情報は断片化されていて、理解するのが難しかった。
C1 noun /ˈfɔːr.tɪ.tjuːd/

fortitude

不屈
Meaning
Courage in pain or adversity; mental and emotional strength in facing difficulty.
Example
She faced adversity with great fortitude.
彼女は困難に立ち向かう強い意志を持っていました。
C1 noun /ˈfɛləni/

felony

重罪
Meaning
a serious crime, usually punishable by imprisonment for more than one year
Example
He was convicted of a felony and sentenced to ten years in prison.
彼は重罪で有罪判決を受け、10年間の懲役刑を言い渡されました。
C1 adjective /ˈfliː.tɪŋ/

fleeting

儚い
Meaning
Lasting for a very short time; passing quickly.
Example
Happiness can be fleeting, so cherish every moment.
幸せは儚いものである可能性があるので、すべての瞬間を大切にしてください。
C1 noun /ˈfɔɪeɪr/

foyer

ロビー
Meaning
An entrance hall or lobby in a building.
Example
The guests waited in the hotel foyer before checking in.
ゲストはチェックインする前にホテルのロビーで待っていました。
C1 noun /ˈfɔːrwɜːrd/

foreword

序文
Meaning
a short introduction at the beginning of a book, typically written by someone other than the author
Example
The foreword of the book was written by a famous historian.
その本の序文は、有名な歴史家によって書かれました。
C1 verb /fɔːrˈkloʊz/

foreclose

差し押さえる
Meaning
to take possession of a property due to the owner's failure to keep up mortgage payments
Example
The bank decided to foreclose on the property after months of missed payments.
銀行は何ヶ月も支払いを欠かした後、物件の差し押さえを決定しました。
C1 adjective ˈflʌd proʊn

flood-prone

洪水に見舞われやすい
Meaning
Susceptible to flooding; likely to experience floods frequently.
Example
Bangladesh is a flood-prone deltaic nation.
バングラデシュは洪水が発生しやすいデルタ国家です。
C1 noun /ˈfæk.ʃən/

Faction

派閥
Meaning
a small organized dissenting group within a larger one
Example
Different factions within the party disagreed about the new policy.
党内の異なる派閥は新しい政策に対して意見が一致しませんでした。
C1 noun /ˈfɛlən/

felon

犯罪者
Meaning
a person who has committed a serious crime
Example
The felon was sentenced to ten years in prison.
犯罪者は10年の刑を言い渡された。
C1 noun ˈfɔː.saɪt

foresight

先見の明
Meaning
The ability to predict or the action of predicting what will happen or be needed in the future.
Example
His foresight helped the company avoid financial losses.
彼の先見の明は会社が財政的損失を避けるのに役立った。
C1 noun /fiːt/

feat

偉業
Meaning
an achievement that requires great courage, skill, or strength
Example
Climbing Mount Everest was a remarkable feat.
エベレスト山の登頂は素晴らしい偉業でした。
C1 verb/noun ˈfæð.əm

fathom

理解する
Meaning
To understand after much thought; to measure the depth of water; to comprehend.
Example
It is difficult to fathom the depths of the ocean.
海の深さを理解するのは難しい。
C1 noun /ˈflæt.ər.i/

Flattery

お世辞
Meaning
excessive and insincere praise, given especially to further one's own interests
Example
His constant flattery made everyone suspicious of his true motives.
彼の絶え間ないお世辞は、皆が彼の本当の意図を疑わせることになった。
C1 noun/verb /fliːs/

fleece

Meaning
The woolly covering of a sheep; as a verb, to swindle or cheat someone.
Example
The farmer sheared the sheep’s fleece carefully.
C1 noun /ˈfjuː.dʒə.tɪv/

Fugitive

逃亡者
Meaning
a person who has escaped from a place or is in hiding, especially to avoid arrest
Example
The police launched a manhunt to capture the fugitive who escaped from prison.
警察は刑務所から逃げた逃亡者を捕まえるために捜索を開始しました。
C1 noun /fɑːrs/

farce

茶番
Meaning
a comic dramatic work using buffoonery and horseplay, or a ridiculous situation
Example
The meeting turned into a complete farce with everyone arguing.
会議は完全に茶番に変わり、みんなが議論していた。
C1 noun /flæt fɪʃ/

Flat fish

カレイ
Meaning
a type of fish with a flattened body that lives on the sea floor
Example
Flat fish like sole and flounder are excellent for grilling.
カレイやヒラメのようなフラットフィッシュはグリルに最適です。
C1 noun /fɪˈdɛl.ɪ.ti/

fidelity

忠誠心
Meaning
Faithfulness to a person, cause, or belief, demonstrated by continuing loyalty and support.
Example
A dog's fidelity to its owner is unmatched.
犬の忠誠心はその飼い主に対して比類のないものです。
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。
C1 noun /ˈfɔːrɡraʊnd/

foreground

前景
Meaning
the part of a scene that is nearest to and in front of the viewer
Example
The flowers in the foreground brightened the picture.
前景にある花が絵を明るくしました。
C1 adjective ˈfjuː.taɪl

futile

無駄な
Meaning
Incapable of producing any useful result; pointless.
Example
His attempts to change the situation were futile.
状況を変えるための彼の試みは無駄だった。
C1 verb /flɪntʃ/

flinch

ひるむ
Meaning
to suddenly move back or away due to fear or pain
Example
He didn’t flinch when the doctor gave him the injection.
彼は医者が注射をする時、ひるむことはなかった。
C1 verb /flɔːnt/

flaunt

誇示する
Meaning
to show off something proudly, often to attract attention
Example
She likes to flaunt her new jewelry at parties.
彼女はパーティーで新しいジュエリーを誇示するのが好きです。
C1 adjective /ˈfɔːrsəbl/

forcible

強制的
Meaning
Done by force; using physical strength or power.
Example
The police made a forcible entry into the house.
警察は強制的に家に入った。
C1 noun /fiːnd/

fiend

悪魔, 邪悪な人
Meaning
an evil spirit or demon; a wicked or cruel person; someone obsessed with a particular thing
Example
He is a real fiend when it comes to solving puzzles.
パズルを解くとき、彼は本当に悪魔のようです。
C1 adjective/noun /fəˈrɛns.ɪk/

forensic

犯罪や法的問題に適用される科学的分析
Meaning
Scientific analysis applied to criminal or legal matters
Example
Forensic experts analyze cybercrimes using advanced tools.
法医学の専門家は、先進的なツールを使用してサイバー犯罪を分析します。
C1 noun flɛər

flair

才能
Meaning
A natural ability to do something well.
Example
She has a flair for design, always creating visually stunning work.
彼女はデザインに才能があり、常に視覚的に印象的な作品を作り出します。
C1 noun ˈfæl.ə.si

fallacy

誤り, 偽りの信念, 誤った推論
Meaning
False belief, misconception, false reasoning.
Example
The idea that success comes easy is a fallacy.
成功が簡単に得られるという考えは誤りです。
C1 verb /ˈfɛdərət/

federate

連邦する
Meaning
to unite in a league or federation; to form an alliance
Example
Several states federated to create a stronger union.
いくつかの州が強い連邦を作るために団結しました。
C1 adjective /ˈflæɡɪŋ/

flagging

疲れる、弱くなる、または熱意を失う
Meaning
becoming tired, weaker, or less enthusiastic
Example
After hours of work, his energy was flagging.
長時間働いた後、彼のエネルギーは衰えていた。
C1 noun /ˈfoʊ.kəs ˈtræk.ɪŋ/

focus tracking

フォーカス追跡
Meaning
A technique of monitoring and maintaining attention on specific tasks or goals.
Example
Proper focus tracking improves productivity.
適切なフォーカス追跡は生産性を向上させます。
C1 adjective /frəˈtɜːrnəl/

fraternal

Meaning
Relating to brothers or brotherhood; friendly and supportive.
Example
The two nations maintain a fraternal relationship.
C1 noun /ˈfræk.tʃər/

Fracture

骨折; 骨のひび割れ
Meaning
the cracking or breaking of a hard object or material; a break in a bone
Example
The doctor confirmed that he had a hairline fracture in his wrist.
医者は彼の手首に髪の毛のような骨折があることを確認しました。
C1 verb /ˈfɔːlsɪfaɪ/

falsify

偽造する
Meaning
to make something false or to misrepresent
Example
He tried to falsify the documents to avoid taxes.
彼は税金を避けるために書類を偽造しようとした。
C1 noun /faɪˈnælɪti/

finality

決定的な性質
Meaning
the quality of being final or irreversible; a sense of conclusiveness
Example
The judge's decision gave the case a sense of finality.
裁判官の決定はその事件に決定的な感覚を与えた。
C1 noun /fɪlθ/

filth

汚れ
Meaning
dirty or disgusting matter; moral corruption
Example
The streets were full of filth after the storm.
嵐の後、通りは汚れでいっぱいでした。
C1 verb /ˈfrɒlɪk/

frolic

楽しげに遊ぶ
Meaning
to play and move about cheerfully, energetically, or playfully
Example
The children frolicked in the garden all afternoon.
子供たちは午後中庭で楽しげに遊んでいました。
C1 adjective /flæmˈbɔɪənt/

flamboyant

派手で色鮮やかな、または自信に満ちた
Meaning
showy, strikingly bold or colorful; confident and lively
Example
His flamboyant style drew everyone's attention at the party.
彼の派手なスタイルはパーティーで皆の注目を集めました。
C1 noun/adjective /fɔːrˈboʊdɪŋ/

foreboding

不吉な予感
Meaning
A feeling that something bad will happen; ominous.
Example
She felt a deep sense of foreboding as she entered the abandoned house.
彼女は廃屋に入るとき、深い不吉な予感を感じた。
C1 noun /ˈflɔː.rə/

flora

特定の地域や生息地に見られる植物生命
Meaning
The plant life found in a particular region or habitat.
Example
The Amazon rainforest is home to a vast flora diversity.
アマゾンの熱帯雨林は豊かなフローラの多様性の家です。
C1 verb /ˈfɜːrmɛnt/

ferment

化学的なプロセスを経て、糖分がアルコールや酸に変換されること; 変化を促進または引き起こすこと
Meaning
to undergo a chemical process where sugars are converted to alcohol or acid; to incite or stir up change
Example
The grapes are left to ferment for several weeks.
ぶどうは数週間発酵させられます。
C1 noun/verb /freɪ/

fray

争い, すり減る
Meaning
As a noun, a fight or heated dispute; as a verb, to unravel or wear out through friction.
Example
He tried to stay calm, but his nerves began to fray during the argument.
彼は冷静を保とうとしたが、議論の中で彼の神経はすり減り始めた。
C1 adjective ˈfæʃ.ɪst

fascist

ファシスト
Meaning
Relating to or characteristic of fascism; extremely authoritarian.
Example
Fascist governance undermines freedom.
ファシスト政権は自由を脅かす。
C1 verb /ˈfɪdʒɪt/

fidget

そわそわする、落ち着かない
Meaning
to make small movements, especially because of nervousness or impatience
Example
The child began to fidget during the long lecture.
子供は長い講義中に落ち着かなくなり始めました。
C1 adjective /ˈfɔːrθˌraɪt/

forthright

率直
Meaning
Direct and honest in speech or behavior; straightforward.
Example
She was forthright in her criticism of the policy.
彼女は政策に対する批判で率直だった。
C1 verb /ˈfɔːltər/

falter

ためらう、または力や勢いを失う
Meaning
to hesitate or lose strength or momentum
Example
Her voice faltered as she delivered the speech.
彼女の声はスピーチをする際に途切れました。
C1 verb /fɔːrˈseɪk/

forsake

Meaning
to abandon or give up something or someone
Example
He decided not to forsake his old friends despite his success.
C1 noun (plural of fungus) /ˈfʌndʒaɪ/

fungi

菌類
Meaning
a group of spore-producing organisms such as mushrooms, molds, and yeasts
Example
Fungi play an important role in breaking down organic matter in nature.
菌類は自然界で有機物を分解する重要な役割を果たします。
C1 noun /ˈfɔːrˌbɛər/

forebear

先祖
Meaning
An ancestor, especially one who lived a long time ago.
Example
He often speaks of his forebears with great respect.
彼はしばしば自分の先祖について尊敬を込めて話します。
C1 noun /fæd/

fad

一時的な流行、トレンド
Meaning
a temporary fashion or trend; a short-lived craze
Example
The new diet became a popular fad among teenagers.
新しいダイエットはティーンエイジャーの間で人気の一時的なトレンドとなった。
C1 noun /ˈfaɪərɑːm/

firearm

火器
Meaning
a weapon capable of firing a projectile using gunpowder or other propellant
Example
The police found a hidden firearm during the investigation.
警察は調査中に隠された銃器を発見しました。
C1 adverb /ˈfɜː.vənt.li/

Fervently

熱心に; 熱烈に;
Meaning
with passionate intensity; ardently; with great emotion or enthusiasm
Example
She fervently hoped that her dreams would come true.
彼女は自分の夢が実現することを熱心に願っていました。
C1 verb /fret/

fret

心配する
Meaning
to worry or be anxious; to be troubled
Example
Don't fret about the exam results.
試験結果について心配しないでください。
C1 noun, verb /ˈfɜːrloʊ/

furlough

一時休職
Meaning
temporary leave of absence from work, especially that granted to an employee or soldier
Example
Many workers were placed on furlough during the crisis.
多くの労働者は危機の間に休職させられました。
C1 noun, verb /ˈfrænʧaɪz/

franchise

フランチャイズ
Meaning
A legal right to sell or distribute goods or services in a specific area; to grant such a right.
Example
He opened a new fast-food franchise in the city.
彼は都市で新しいファーストフードのフランチャイズを開設しました。
C1 adjective /ˈfɑːð.ər.ləs/

fatherless

父親がいない
Meaning
without a father
Example
The fatherless child relied on the support of his community.
その父親がいない子供は、コミュニティの支援に頼っていました。
C1 noun /ˈfɪʃˌmʌŋ.ɡər/

fishmonger

魚屋
Meaning
a person or store that sells fish
Example
I bought fresh salmon from the local fishmonger.
私は地元の魚屋で新鮮なサーモンを買いました。
C1 noun /fəˈrɒs.ə.ti/

ferocity

凶暴さ, 暴力, 強さ
Meaning
The state or quality of being ferocious; extreme fierceness or violence.
Example
The storm's ferocity was devastating.
嵐の凶暴さは壊滅的でした。
C1 adjective /freɪl/

frail

脆弱
Meaning
Physically weak and delicate.
Example
The old man was too frail to walk without help.
その高齢者は助けなしでは歩けないほど脆弱だった。
C1 noun /ˈfɪʃ.ər/

fissure

ひび割れ
Meaning
a long, narrow opening or crack in a surface or object
Example
The earthquake caused a deep fissure in the road.
地震によって道路に深いひび割れができました。
C1 noun fɔːlt ˈtɒl.ər.əns

fault-tolerance

フォールトトレランス
Meaning
The ability of a system to continue operating properly in the event of the failure of some of its components.
Example
Fault-tolerance ensures dependable systems.
フォールトトレランスは信頼性のあるシステムを保証します。
C1 verb /ˈfɔːrtɪˌfaɪ/

fortify

強化する
Meaning
To strengthen a place, person, or thing physically or mentally.
Example
They fortified the city walls to protect against invasion.
彼らは侵略に備えて街の壁を強化しました。
C1 verb /fɔrˈstɔl/

forestall

事前に防ぐ
Meaning
to prevent by acting in advance; to anticipate and counter
Example
They forestalled the crisis by taking immediate action.
彼らは即座に行動することで危機を回避した。
C1 adjective + noun ˈfeɪvərəbəl klaɪˈmætɪk kənˈdɪʃənz

favorable climatic conditions

好ましい気候条件
Meaning
Weather conditions that are suitable and beneficial for growth or development
Example
Winter offers favorable climatic conditions for farming.
冬は農業にとって好ましい気候条件を提供します。
C1 adjective /ˈfuːlpruːf/

foolproof

失敗しない
Meaning
Designed to be very easy to use or understand, leaving no possibility of failure or error.
Example
The new software has a foolproof installation process.
新しいソフトウェアには失敗しないインストールプロセスがあります。
C1 noun /ˈfjuː.də.lɪ.zəm/

feudalism

封建制度
Meaning
the social system in medieval Europe in which people worked and fought for nobles who gave them protection and land in return
Example
Feudalism shaped the political structure of medieval Europe.
封建制度は中世ヨーロッパの政治構造を形作った。
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 noun ˌflʌk.tʃuˈeɪ.ʃən

fluctuation

変動
Meaning
An irregular rising and falling in number or amount; a variation.
Example
The stock market experiences frequent fluctuation.
株式市場は頻繁に変動します。
C1 noun /ˈfɔːrˌfɑːðər/

forefather

先祖
Meaning
an ancestor, especially one who was part of an earlier generation of a family or nation
Example
Our forefathers fought for independence.
私たちの先祖は独立のために戦いました。
C1 adjective /ˈfiːzəbl/

feasible

実行可能
Meaning
possible to do easily or conveniently; practical and workable
Example
It is feasible to complete the project within two months.
このプロジェクトを2ヶ月以内に完了することは実行可能です。
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 /ˈfɔːrˌbɛərz/

forebears

先祖
Meaning
Ancestors or people in previous generations from whom one is descended.
Example
We must honor the traditions of our forebears.
私たちは先祖の伝統を尊重しなければなりません。
C1 noun /fəˈsɑːd/

facade

ファサード
Meaning
The front of a building; a false or superficial appearance
Example
The building's glass facade reflected the sunset.
建物のガラスのファサードは日没を反映していた。
C1 noun /fɪˈnænʃɪər/

financier

金融家
Meaning
a person who manages large amounts of money or investments
Example
The financier advised the company on its investments.
金融家は会社に投資に関するアドバイスをしました。
C1 adjective /ˈfjuː.dəl/

feudal

封建的
Meaning
relating to the system of feudalism, a medieval social system based on land ownership and obligations
Example
The castle is a remnant of the feudal era.
城は封建時代の遺物です。
C1 noun /frɪndʒ/

fringe

装飾的縁 / 端
Meaning
A decorative border of threads; the outer edge or margin of something.
Example
The festival had a fringe of small independent performances.
フェスティバルには小さな独立したパフォーマンスの端がありました。
C1 noun /ˈfʌŋɡəs/

fungus

菌類
Meaning
a spore-producing organism feeding on organic matter, including molds, yeast, and mushrooms
Example
A strange fungus was growing on the old tree.
古い木に奇妙な菌類が生えていました。
C1 noun ˌfɜːr.tɪ.laɪˈzeɪ.ʃən

fertilization

肥料施用
Meaning
The process of adding nutrients to soil to increase crop productivity.
Example
Organic fertilization enhances soil health.
有機肥料施用は土壌の健康を改善します。
C1 adjective /ˈflʌstərd/

flustered

動揺した
Meaning
in a state of confusion or agitation
Example
She appeared flustered after being asked so many questions.
彼女はたくさんの質問をされた後、動揺しているように見えました。
C1 adjective /fɪkˈtɪʃəs/

fictitious

虚構の、偽の
Meaning
not real or true; imaginary or fabricated
Example
The story he told was entirely fictitious.
彼が話した話は完全に虚構だった。
C1 noun /ˈfrek.əl/

Freckle

そばかす
Meaning
a small brownish spot on the skin, often becoming more pronounced through exposure to the sun
Example
Her face was covered with cute freckles that appeared every summer.
彼女の顔は可愛いそばかすで覆われていて、毎年夏になると現れます。
C1 noun /ˈfjʊərɔːr/

furor

騒動
Meaning
An outbreak of public anger or excitement.
Example
The politician's remarks created a furor in the media.
政治家の発言がメディアで大騒ぎを引き起こしました。
C1 noun /ˈfænsiər/

fancier

愛好家
Meaning
a person who has a special interest in a particular thing or activity, especially animals or hobbies
Example
He is a fancier of rare birds.
彼は珍しい鳥の愛好家です。
C1 noun/adjective ˈflɛdʒ.lɪŋ

fledgling

未熟者, 経験不足, 新しく設立された
Meaning
New, inexperienced, newly established.
Example
The fledgling startup needs investment.
その新興企業は投資が必要です。
C1 noun /fɔːrˈkloʊʒər/

foreclosure

差し押さえ
Meaning
The legal process by which a lender takes control of a property from a borrower who has failed to make payments.
Example
The family lost their home due to foreclosure after missing several mortgage payments.
その家族は複数回のモーゲージ支払いを逃したため、差し押さえで家を失いました。
C1 verb ˈflʌk.tʃu.eɪt

fluctuate

変動する
Meaning
To regularly increase or decrease.
Example
Stock prices fluctuate due to market conditions.
株価は市場の状況によって変動します。
C1 noun, verb /ˈfɛrɪt/

ferret

フェレット, 何かを粘り強く探すまたは発見する
Meaning
a small domesticated animal used for hunting; to search or uncover something persistently
Example
He ferreted out the hidden documents.
彼は隠された書類を見つけました。
C1 noun /ˈfɪɡjərˌhɛd/

figurehead

名目上の指導者
Meaning
a nominal leader with no real power; a symbolic head
Example
The king was merely a figurehead with no real authority.
王は実際の権限を持たない象徴的な指導者に過ぎなかった。
C1 adjective /ˌfɑːrˈfetʃt/

farfetched

ありそうもない、またはあり得ない
Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late sounded farfetched.
彼の遅刻の説明は信じがたいものだった。
C1 noun /ˈfʊtˌnoʊt/

foot-note

脚注
Meaning
A note of reference, explanation, or comment placed at the bottom of a page.
Example
The author included a foot-note to explain the historical context.
著者は歴史的な文脈を説明するために脚注を追加しました。
C1 adjective /ˈflæʃi/

flashy

派手な, 目立つ
Meaning
ostentatious or showy in a way that attracts attention
Example
He drove a flashy sports car through the city streets.
彼は市街地を派手なスポーツカーで走った。
C1 adjective /ˈfleɪɡrənt/

flagrant

目立って明らかに間違っている
Meaning
shockingly noticeable or evident; glaringly wrong
Example
It was a flagrant violation of the rules.
それは規則の明らかな違反でした。
C1 noun /fruˈɪʃən/

fruition

実現
Meaning
The realization or fulfillment of a plan, project, or desire.
Example
Her dream of becoming a doctor finally came to fruition.
医者になるという彼女の夢はついに実現した。
C1 noun ˈfɜːr.vɚ

fervor

情熱または熱意
Meaning
Strong passion or enthusiasm for something.
Example
He spoke with great fervor about his vision for the company.
彼は会社のビジョンについて熱心に話しました。
C1 adjective /ˈfrɛn.zid/

frenzied

狂乱
Meaning
Wildly excited or uncontrolled
Example
The frenzied crowd cheered as the band took the stage.
狂乱の群衆は、バンドがステージに上がると歓声を上げました。
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。
C1 noun /ˌfɪɡjʊˈriːn/

figurine

小さな装飾用の像
Meaning
a small ornamental statue or model of a human or animal
Example
She bought a porcelain figurine of a dancing ballerina.
彼女はダンスをするバレリーナの陶器のフィギュリンを買いました。
C1 noun /frɪˈvɒləti/

frivolity

軽薄さ
Meaning
Lack of seriousness; silly or trivial behavior.
Example
The teacher discouraged frivolity during the exam.
先生は試験中の軽薄な行動を戒めました。
C1 noun /fɪˈnɑːleɪ/

finale

フィナーレ
Meaning
the last part or conclusion of a performance, event, or series
Example
The concert ended with a spectacular finale.
コンサートは壮観なフィナーレで終わりました。
C1 adjective /ˈflɪmzi/

flimsy

弱々しい
Meaning
weak, fragile, or lacking in strength; not convincing
Example
The chair was too flimsy to support his weight.
その椅子は重さを支えられないほど弱々しかった。
C1 noun /fɪˈnɛs/

finesse

巧妙さ, 技量, 洗練
Meaning
Subtlety and skill; refinement and delicacy in performance or artistry.
Example
The artist painted with great finesse.
そのアーティストは大きな巧妙さで絵を描いた。