fuddle
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C2 verb /ˈfʌdəl/

fuddle

混乱させる
Meaning
To confuse or stupefy, especially with alcohol or overwhelming information.
Example
The complicated instructions fuddled the new employees.
複雑な指示が新しい従業員を混乱させました。
C2 noun /ˌfɔːrɔːrdɪˈneɪʃən/

foreordination

予定
Meaning
the act of determining something in advance; predestination
Example
The doctrine of foreordination suggests that events are fixed by divine will.
予定説の教義は、出来事は神の意志によって定められていると示唆しています。
C2 noun ˌfjuːmɪˈɡeɪʃən

fumigation

燻蒸
Meaning
The practice of disinfecting or purifying an area using gas or smoke.
Example
Fumigation is an effective method to control pest infestations.
消毒は害虫の侵入を制御するための効果的な方法です。
C2 adjective /ˈfækʃəs/

factious

分裂的な
Meaning
causing disagreement or division within a group; inclined to form factions
Example
The debate became factious, splitting the committee into rival camps.
議論は分裂的になり、委員会は対立する陣営に分かれました。
B1 adjective /feɪld/

failed

失敗した
Meaning
not successful in achieving a desired result
Example
The project failed to meet the expectations.
プロジェクトは期待に応えることができませんでした。
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。
B2 noun /ˈfɔːr.hed/

Forehead

額
Meaning
the part of the face above the eyebrows and below the hairline
Example
He wiped the sweat from his forehead.
彼は額から汗を拭った。
C2 verb /fleɪl/

flail

何かを激しく振る; 必死に動く
Meaning
to wave or swing something about wildly; to thrash about
Example
He flailed his arms to keep afloat in the water.
彼は水に浮かぶために腕を振った。
B2 noun/verb /flɑːk/

flock

群れ
Meaning
a group of birds or animals; to gather or move in a crowd
Example
Tourists flocked to the beach during summer.
観光客は夏にビーチに集まりました。
B1 adjective /fɪkst/

fixed

固定された, 安定した
Meaning
firmly in place; not changing or movable
Example
The schedule for the meeting is fixed for Monday morning.
会議のスケジュールは月曜日の朝に固定されています。
B1 noun /ˈflaʊər veɪs/

Flower-vase

花瓶
Meaning
a decorative container used to hold cut flowers
Example
She placed beautiful roses in the flower vase on the table.
彼女はテーブルの上に花瓶に美しいバラを置きました。
B2 noun /ˈfræɡ.mənt/

Fragment

断片; 部分;
Meaning
a small part broken or separated off something; an incomplete or isolated portion
Example
Archaeologists found fragments of ancient pottery buried in the soil.
考古学者たちは土の中で古代の陶器の断片を発見しました。
A2 noun /ˈfer.i.teɪl/

Fairy-tale

おとぎ話
Meaning
a children's story about magical and imaginary beings and lands
Example
Children love listening to fairy-tales before bedtime.
子供たちは寝る前におとぎ話を聞くのが大好きです。
B2 verb /feɪnt/

faint

気絶する
Meaning
to lose consciousness for a short time because of a temporary lack of oxygen to the brain
Example
He felt dizzy and fainted in the heat.
彼はめまいを感じ、暑さで気を失った。
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。
C2 noun /fækˈtoʊtəm/

factotum

オールラウンダー
Meaning
an employee who does many different types of work; a general servant
Example
He worked as a factotum, handling both clerical and maintenance duties.
彼はファクトトムとして働き、事務的な仕事とメンテナンス作業の両方を担当していました。
B1 noun flæɡz

flags

旗
Meaning
A piece of cloth or similar material, typically oblong or square, attachable by one edge to a pole or rope.
Example
The streets were decorated with national flags.
通りは国旗で飾られていました。
C2 adjective /ˈfʊl.dʒənt/

fulgent

輝かしい
Meaning
Shining brightly; dazzling.
Example
The fulgent stars lit up the night sky.
輝かしい星々が夜空を照らした。
C2 adjective /ˈfiːbəlˌmaɪndɪd/

feebleminded

愚かまたは弱い精神の
Meaning
lacking intelligence or mental capacity; foolish or weak-minded
Example
The feebleminded man struggled to understand basic instructions.
その弱い精神の男性は、基本的な指示を理解するのに苦労していました。
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。
B2 noun /ˈfɔːr.kæst/

Forecast

天気予報
Meaning
a prediction or estimate of future events, especially coming weather conditions
Example
The weather forecast predicted heavy rain for the entire weekend.
天気予報は週末全体で大雨を予測しました。
B2 noun /ˈfeð.ər/

Feather

鳥の羽
Meaning
one of the light structures that cover a bird's body
Example
The peacock has beautiful colorful feathers.
孔雀は美しい色とりどりの羽を持っています。
B2 noun /faʊl/

Fowl

家禽
Meaning
a domesticated bird kept for meat or eggs; chicken or other poultry
Example
The farmer raised fowl in his backyard for fresh eggs and meat.
農場主は新鮮な卵と肉のために庭で家禽を育てていました。
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。
A2 adjective /ˈfuː.lɪʃ/

Foolish

愚か; 馬鹿; ばかげた
Meaning
lacking good sense or judgment; unwise; silly
Example
It was foolish of him to drive in such heavy rain.
そんな激しい雨の中で運転するのは愚かだった。
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 noun /fɔːrt/

Fort

砦
Meaning
a strong building or group of buildings where soldiers live and defend
Example
The ancient fort stood on top of the hill for centuries.
古代のフォートは何世代にもわたって丘の上に立っていました。
A2 adjective /fɪfθ/

fifth

第五
Meaning
constituting number five in a sequence
Example
She lives on the fifth floor of the building.
彼女はその建物の五階に住んでいます。
B1 noun /ˈfʌndɪŋ/

funding

資金調達
Meaning
financial support for a project or organization
Example
The startup is seeking funding from investors.
スタートアップは投資家から資金調達を試みています。
C2 noun /fəˈlɪsɪti/

felicity

幸福
Meaning
intense happiness; the ability to find appropriate expression for one's thoughts
Example
She was known for her felicity in conversation and cheerful nature.
彼女は会話の中での幸福と明るい性格で知られていました。
C2 adjective /ˈfɪnɪki/

finicky

気難しい; 詳細に非常にこだわる
Meaning
difficult to please; very particular about details
Example
He is so finicky about his food that he only eats organic vegetables.
彼は自分の食べ物に対してとても細かいので、有機野菜だけを食べます。
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。
C2 adjective/noun /fɪˈduː.ʃi.er.i/

fiduciary

信託の
Meaning
Involving trust, especially with regard to the relationship between a trustee and a beneficiary.
Example
Banks have fiduciary duties towards their clients.
銀行は顧客に対して信託義務を負っています。
C1 adjective /ˌfʊl ˈbɒd.id/

full-bodied

濃厚な味わい
Meaning
Having a strong, rich, and robust quality, especially of wine, coffee, or voice.
Example
He prefers a full-bodied red wine with his dinner.
彼は夕食に濃厚な味わいの赤ワインを好みます。
B1 verb /fərˈbɪd/

forbid

禁じる
Meaning
to order someone not to do something
Example
The school forbids smoking on campus.
学校はキャンパス内での喫煙を禁じています。
A1 noun /fruːt/

fruit

果物
Meaning
The sweet and fleshy product of a plant that contains seeds.
Example
Mango is my favorite fruit.
マンゴーは私のお気に入りのフルーツです。
A2 adjective /ˈfɔːrməl/

formal

正式
Meaning
done in accordance with rules of convention or etiquette; official or serious in nature
Example
He wore a formal suit to the wedding.
彼は結婚式でフォーマルなスーツを着ていました。
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。
A2 adjective /fəˈmɪl.jər/

Familiar

馴染みのある; 親しみやすい; インフォーマルで友好的
Meaning
well-known; easily recognized; having knowledge of; informal and friendly
Example
This song sounds familiar to me.
この歌は私には馴染みがあるように感じます。
B1 noun ˈfæmɪli triː

Family Tree

家系図
Meaning
A diagram showing the relationships between people in several generations of a family.
Example
Creating a family tree helps understand family history.
家系図を作成することは、家族の歴史を理解するのに役立ちます。
B2 adjective /ˈfeɪvərəbl/

favourable

好都合な
Meaning
Expressing approval, support, or positivity; advantageous or beneficial
Example
The weather conditions were favourable for the outdoor event.
屋外イベントの天候は好都合でした。
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 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。
B1 noun/verb /ˈfaɪtɪŋ/

fighting

戦い
Meaning
the act of engaging in a physical or verbal conflict
Example
The soldiers were fighting bravely on the battlefield.
兵士たちは戦場で勇敢に戦っていました。
A1 noun /ˈfraɪ.deɪ/

friday

金曜日
Meaning
the day of the week following Thursday and preceding Saturday
Example
We have a team meeting every Friday afternoon.
私たちは毎週金曜日の午後にチーム会議があります。
B2 noun /ˈfræk.ʃən/

Fraction

分数; 部分
Meaning
a numerical quantity that is not a whole number; a small or tiny part of something
Example
Only a small fraction of the population voted in the local election.
地方選挙で投票したのは人口のごく一部に過ぎなかった。
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。
C2 noun /foʊl fʊt/

Foal-foot

馬のひづめの花
Meaning
a yellow flowering plant with leaves shaped like a horse's hoof, also known as coltsfoot
Example
The foal-foot plant grows wild in many meadows and is often the first flower to bloom in spring.
馬のひづめの花の植物は多くの草地で野生で成長し、春に最初に咲く花の一つです。
B2 noun /ˈfɪlmˌmeɪkər/

filmmaker

映画製作者
Meaning
a person who makes films, typically as a profession
Example
He is a well-known filmmaker in the industry.
彼は業界で有名なフィルムメーカーです。
B2 noun /ˈfɪks.tʃər/

fixture

固定物、設置された設備
Meaning
a permanent or fixed object, often in a house or building
Example
The bathroom fixture was installed yesterday.
バスルームの設備は昨日設置されました。
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 verb /fɔːrˈseɪk/

forsake

Meaning
to abandon or give up something or someone
Example
He decided not to forsake his old friends despite his success.
A2 verb ˈfoʊkəs

focus

集中する
Meaning
To concentrate attention or effort on something; to direct one's attention or efforts towards a particular activity, subject, or problem.
Example
Focus on what truly matters to simplify your life.
本当に重要なことに集中して、人生をシンプルにしましょう。
A2 noun /faɪl/

File

やすり
Meaning
a tool with a rough surface for smoothing or shaping hard materials; a collection of papers or data
Example
He used a metal file to smooth the rough edges.
彼は金属製のヤスリを使って荒い端を滑らかにしました。
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。
C2 noun /ˈfʌstɪən/

fustian

浮かれたスピーチ
Meaning
pompous or pretentious speech or writing; originally a type of thick cloth
Example
The politician's speech was filled with fustian and empty promises.
政治家のスピーチは浮かれた言葉と空っぽの約束でいっぱいだった。
B1 noun /fɒɡ/

Fog

霧
Meaning
a thick cloud of tiny water droplets suspended in the atmosphere at or near the earth's surface that reduces visibility
Example
Dense fog covered the highway this morning.
今朝、濃霧が高速道路を覆いました。
C2 noun /fləˈtɪlə/

flotilla

小型艦隊
Meaning
A small fleet of ships or boats operating together.
Example
A flotilla of fishing boats left the harbor at dawn.
漁船のフロティラが夜明けに港を出発しました。
C1 noun /ˈfɔːrdʒər/

forger

偽造者
Meaning
a person who makes fake documents, artworks, or signatures
Example
The police arrested a forger who had been selling counterfeit paintings.
警察は偽造者を逮捕しました。彼は偽の絵画を販売していました。
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。
C2 noun /ˈfoʊksl/

forecastle

フォアキャッスル
Meaning
The forward part of a ship below the deck, traditionally used as living quarters for the crew.
Example
The sailors gathered in the forecastle after their shift.
船員たちはシフト後にフォアキャッスルに集まりました。
A2 noun /ˈfrɛndʃɪp/

friendship

友情
Meaning
A close and trusting relationship between two or more people.
Example
Their friendship has lasted since childhood.
彼らの友情は幼少期から続いています。
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。
B2 verb /ˈfæsən/

fasten

締める
Meaning
To attach or secure something firmly in place
Example
Please fasten your seatbelt before the plane takes off.
飛行機が離陸する前にシートベルトを締めてください。
A1 adjective /frɛntʃ/

french

フランスの
Meaning
Relating to France, its people, or their language.
Example
We enjoyed delicious French cuisine on our trip to Paris.
私たちはパリ旅行で美味しいフランス料理を楽しみました。
C2 adjective /ˈfluːtɪd/

fluted

溝が入った
Meaning
having grooves or ridges, often for decoration
Example
The vase had a beautiful fluted design around the rim.
その花瓶は縁に美しい溝が入ったデザインがありました。
C2 noun /ˈfrɛs.koʊ/

fresco

フレスコ画
Meaning
A painting done rapidly in watercolor on wet plaster so that the colors penetrate the surface
Example
The church walls were decorated with beautiful frescoes.
教会の壁は美しいフレスコ画で飾られていました。
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。
A2 adjective /fer/

Fair

公正な; 妥当な; 魅力的な
Meaning
just and reasonable; treating people equally; light in color; attractive
Example
The judge made a fair decision in the case.
裁判官はその事件で公正な判断を下しました。
C2 noun /floʊ/

floe

氷の板
Meaning
a large sheet of floating ice
Example
The polar bears rested on the ice floe.
北極熊は氷の板の上で休んでいた。
B2 noun ˌfʌŋk.ʃəˈnæl.ə.ti

functionality

機能性
Meaning
The quality of being functional; the ability to work or operate as intended.
Example
The new refrigerator has improved functionality.
新しい冷蔵庫は機能性が向上しました。
A2 adjective /fɪt/

Fit

適切な; 健康な; 良い体調の; 準備ができている
Meaning
suitable; appropriate; healthy; in good physical condition; ready
Example
He is fit and healthy.
彼はフィットで健康です。
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。
B2 adjective /ˈfeɪtl/

fatal

致命的
Meaning
causing death; leading to disaster
Example
The accident proved fatal for the driver.
その事故は運転手にとって致命的だった。
A2 noun, verb /fuːl/

fool

バカ
Meaning
a silly or stupid person; to trick someone
Example
He felt like a fool after believing the prank.
いたずらを信じた後、彼は自分がバカだと思った。
C2 adjective /fəˈlɪsɪtəs/

felicitous

適切な、ふさわしい、または楽しい; 幸運や幸福で特徴付けられる
Meaning
well-chosen, appropriate, or pleasing; marked by good fortune or happiness
Example
She made a felicitous remark that lightened the mood.
彼女は気分を軽くする適切なコメントをしました。
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.
B2 verb fəˈsɪl.ɪ.teɪt

facilitate

容易にする
Meaning
Make an action or process easier or more achievable; to help bring about.
Example
Good infrastructure facilitates economic growth.
良いインフラは経済成長を容易にする。
C1 adjective /ˈfɔːrmətɪv/

formative

形成的
Meaning
Having a lasting influence on a person's development or character.
Example
Childhood is often described as a formative stage in life.
子供時代は人生の中で形成的な段階としてよく説明されます。
A1 preposition /frəm/ or /frʌm/

from

から
Meaning
Used to indicate the starting point of a journey, action, or source.
Example
She came from Dhaka to visit her family.
彼女はダッカから家族を訪ねて来ました。
C2 noun /ˈfɔːrkɔːrt/

forecourt

前庭
Meaning
an open area in front of a large building, especially a petrol station or hotel
Example
The car was parked in the hotel forecourt.
車はホテルの前庭に駐車されていました。
A2 noun /fæn/

Fan

ファン; 愛好者; 扇風機
Meaning
a person who has a strong interest in or admiration for a particular person or thing; a device for creating air current
Example
She is a huge fan of classical music and attends every concert in the city.
彼女はクラシック音楽の大ファンで、市内のすべてのコンサートに参加しています。
B2 noun fəˈtɪl.ɪ.ti

fertility

肥沃
Meaning
The quality of being fertile; fruitfulness.
Example
Fertility of the soil is crucial for farming.
土壌の肥沃度は農業にとって重要です。
A2 adverb, adjective, verb, noun /ˈfɔːrwərd/

forward

前進
Meaning
toward the front; to advance or send ahead; an onward position or direction
Example
The troops moved forward to secure the bridge.
部隊は橋を確保するために前進しました。
B2 noun /frɔːd/

Fraud

詐欺
Meaning
wrongful or criminal deception intended to result in financial or personal gain
Example
The company was investigated for credit card fraud and money laundering.
その会社はクレジットカード詐欺とマネーロンダリングで調査されました。
B2 noun /fleɪm/

Flame

炎
Meaning
a hot glowing body of ignited gas that is generated by something on fire
Example
The candle flame flickered gently in the evening breeze.
キャンドルの火花が夕暮れの風に揺れていました。
A1 verb /feɪs/

face

直面する
Meaning
to confront or deal with; to turn toward; to have the front in a particular direction
Example
She had to face many challenges in her new job.
彼女は新しい仕事で多くの課題に直面しなければならなかった。
B2 noun /feɪt/

Fate

運命
Meaning
the development of events beyond a person's control, regarded as determined by a supernatural power
Example
Many people believe that fate determines the course of their lives.
多くの人々は運命が彼らの人生の進行方向を決定すると信じています。
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。
A1 verb /faɪnd/

find

見つける
Meaning
to discover or locate something that was lost or hidden
Example
I can't find my keys anywhere.
私はどこにも鍵を見つけられません。
C2 noun /ˈfriːˌθɪŋkər/

freethinker

自由思想家
Meaning
A person who forms opinions based on reason and independent thought rather than tradition or authority.
Example
Voltaire was considered a great freethinker of his time.
ヴォルテールは彼の時代の偉大な自由思想家と見なされていました。
B2 adjective /ˌfʌndəˈmɛntl/

fundamental

Meaning
forming a necessary base or core; of central importance
Example
Honesty is a fundamental principle of good leadership.
A1 adjective /fjuː/

few

少数
Meaning
A small number of; not many.
Example
Only a few students attended the class.
ほんの少しの学生がクラスに出席しました。
C2 noun /ˌfoʊ.mənˈteɪ.ʃən/

fomentation

扇動、刺激
Meaning
The action of instigating or stirring up; also the application of warm substances to the body to ease pain.
Example
His speech led to the fomentation of violence in the region.
彼のスピーチは地域での暴力の激化を引き起こした。
C1 verb /flɑp/

flop

失敗
Meaning
to fall or move heavily and clumsily; to fail completely
Example
The new movie flopped at the box office.
新しい映画は興行成績が振るわなかった。
B2 noun /ˈfleɪvər/

flavor

味
Meaning
The distinctive taste of a food or drink.
Example
This ice cream has a delicious mango flavor.
このアイスクリームはおいしいマンゴーのフレーバーがあります。
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。
A1 number /ˌfɪfˈtiːn/

fifteen

十五
Meaning
the number 15
Example
There are fifteen students in the class.
クラスには十五人の生徒がいます。
A2 noun /fɔːrk/

Fork

フォーク
Meaning
a tool with two or more prongs used for eating or serving food
Example
Please use a fork to eat your salad.
サラダを食べるためにフォークを使ってください。
C1 adjective /ˈfruː.ɡəl/

Frugal

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

flotsam

漂流物
Meaning
Floating debris from a shipwreck or things discarded and left floating.
Example
The beach was littered with flotsam after the storm.
嵐の後、ビーチは漂流物で埋め尽くされていた。
C2 noun /ˈflɪpənsi/

flippancy

軽薄
Meaning
lack of seriousness; showing a disrespectful or trivial attitude
Example
His flippancy during the meeting offended his colleagues.
会議中の彼の軽薄さは、同僚を不快にさせた。
A2 verb /fiːd/

feed

餌を与える
Meaning
to give food to a person or animal
Example
She feeds the birds every morning.
彼女は毎朝鳥に餌を与えます。
C1 noun /ˈflæn.əl/

Flannel

フランネル
Meaning
a soft woven fabric, typically made of wool or cotton and slightly milled and raised
Example
He wore a warm flannel shirt in winter.
彼は冬に暖かいフランネルシャツを着ていました。
B1 verb /ˈfɛri/

ferry

フェリーで運ぶ
Meaning
to transport by boat; to carry back and forth
Example
The boat ferried passengers across the river.
船は乗客を川の向こうに運びました。
C2 noun /fluː/

flue

煙道
Meaning
A pipe or channel for smoke and waste gases produced by a fire, gas heater, or power station.
Example
The chimney flue needs to be cleaned regularly.
煙突の煙道は定期的に掃除する必要があります。
C1 noun /ˈfɔː.nə/

fauna

特定の地域の動物の生命
Meaning
The animal life of a particular region, habitat, or geological period.
Example
The fauna of the African savannah includes lions and elephants.
アフリカのサバンナの動物はライオンと象を含みます。
C2 verb /ˈfɛtər/

fetter

束縛する、制限する
Meaning
to restrain or restrict someone’s freedom
Example
The strict rules fettered the creativity of the students.
厳しいルールは学生の創造性を制限した。
B2 adjective /ˌfjuːtʃəˈrɪstɪk/

futuristic

未来的な
Meaning
Having or involving very modern technology or design that is advanced beyond what is currently available
Example
Futuristic technologies are transforming industries worldwide.
未来的な技術は、世界中の産業を変革しています。
A2 noun ˈfɔːrɪsts

Forests

森
Meaning
Large areas covered with trees and undergrowth, providing natural habitats for wildlife.
Example
Forests provide shelter and food for butterflies.
森は蝶々にとって避難所と食料を提供します。
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。
C1 adjective /ˈfæn.sɪ.fəl/

fanciful

幻想的, 非現実的
Meaning
overimaginative, unrealistic, or whimsical
Example
The story was too fanciful to be true.
その話はあまりにも幻想的で、本当だとは思えなかった。
A1 adjective /ˈfʌn.i/

Funny

面白い; 変な; おかしい;
Meaning
humorous; strange; amusing;
Example
He told a funny joke that made everyone laugh.
彼はみんなを笑わせた面白いジョークを言いました。
B2 noun /flɛkˈsɪbɪləti/

flexibility

柔軟性
Meaning
The quality of bending easily without breaking; willingness to change or compromise.
Example
The flexibility of the working hours made it easier to balance work and personal life.
労働時間のフレキシビリティにより、仕事とプライベート生活のバランスが取りやすくなった。
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, 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 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。
B2 noun /ˈfɜːrneɪs/

furnace

炉
Meaning
an enclosed structure in which heat is produced for a building or for melting metal
Example
The factory's furnace melted the metal quickly.
工場の炉は金属を迅速に溶かしました。
B1 adjective /ˈfæsɪneɪtɪŋ/

Fascinating

魅力的
Meaning
extremely interesting; captivating; enchanting
Example
The documentary about ocean life was fascinating.
海の生命に関するドキュメンタリーは魅力的だった。
C2 adjective /ˈfjuːzəbl/

fusible

融解可能な
Meaning
Capable of being melted or fused.
Example
The engineer used a fusible alloy in the experiment.
エンジニアは実験で融解可能な合金を使用しました。
C1 adjective /ˈfrɪvələs/

frivolous

取るに足らない
Meaning
Not having any serious purpose or value; silly or unimportant.
Example
She dismissed the frivolous complaint quickly.
彼女は取るに足らない苦情をすぐに却下しました。