botanize
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C2 verb /ˈbɒtənaɪz/

botanize

植物を研究する
Meaning
to study plants in their natural environment
Example
They went to the forest to botanize during their vacation.
彼らは休暇中に森で植物を研究しました。
C2 noun /buːb/

boob

ばか者；胸（俗語）
Meaning
a foolish or clumsy person; an informal and sometimes rude term for a woman's breast
Example
He felt like a complete boob after forgetting the meeting.
会議を忘れて、彼は完全なばか者だと感じた。
C2 noun /bɜːrˈlɛsk/

burlesque

バーレスク
Meaning
A humorous and exaggerated imitation of a serious work; a type of theatrical entertainment involving comedy and parody.
Example
The play was a clever burlesque of traditional opera.
その劇は伝統的なオペラの巧妙なバーレスクでした。
C2 noun /bəˈθɪm.ə.tri/

bathymetry

水深測定学
Meaning
The measurement of depth of water in oceans, seas, or lakes.
Example
Bathymetry is essential for understanding oceanic topography.
バチメトリーは海洋の地形を理解するために不可欠です。
C2 adjective /ˈbɑː.bər.əs/

Barbarous

野蛮な; 残忍な; 未開の
Meaning
extremely cruel; uncivilized; savage
Example
The barbarous treatment of prisoners was condemned by human rights organizations.
囚人に対する野蛮な扱いは人権団体によって非難された。
C2 noun /blɑːtʃ/

blotch

しみ
Meaning
a large, irregular spot or stain, often on skin or fabric
Example
His shirt had a red blotch from the spilled juice.
彼のシャツにはこぼれたジュースで赤いしみがついていた。
C2 noun /bænˈdænə/

bandanna

大きなカラフルなバンダナ
Meaning
A large, often brightly colored handkerchief, typically worn on the head or around the neck.
Example
He tied a red bandanna around his neck.
彼は首に赤いバンダナを結んだ。
C2 verb /bɪˈlaɪ/

belie

偽る
Meaning
To give a false impression of something; to contradict.
Example
His calm face belied his inner anxiety.
彼の落ち着いた顔は彼の内なる不安を偽っていた。
C2 noun /bɪˈhiː.mɒθ/

behemoth

巨大なもの
Meaning
Something enormous, especially a large and powerful organization.
Example
The company grew into a corporate behemoth.
その会社は企業の巨大なものに成長しました。
C2 adjective /ˈbɪliəs/

bilious

胆汁の
Meaning
Relating to bile or an ill-tempered, irritable disposition.
Example
He became bilious after hearing the unfair criticism.
不公平な批判を聞いた後、彼は怒りっぽくなった。
C2 adjective /bɪˈnaɪtɪd/

benighted

暗い、無知な
Meaning
In a state of intellectual or moral ignorance; overtaken by darkness.
Example
The explorers were lost in the benighted forest without any guide.
探検家たちはガイドなしで暗い森の中で迷子になった。
C2 adjective /ˈbæti/

batty

変わり者
Meaning
crazy or eccentric in behavior
Example
The old man down the street is a bit batty but harmless.
通りの古い男は少し変わり者だが、無害だ。
C2 noun /ˌbækəˈneɪliə/

bacchanalia

酒と楽しみの祭り
Meaning
A Roman festival of Bacchus celebrated with dancing, drinking, and revelry; any occasion of wild and drunken revelry.
Example
The novel describes the party as a bacchanalia of excess and joy.
小説はそのパーティーを過剰と喜びのバッカナリアとして描いています。
C2 noun /ˈbuː.jɒ̃/

bouillon

ブイヨン
Meaning
A clear, seasoned broth made by simmering meat, fish, or vegetables in water.
Example
She added vegetables to the bouillon for extra flavor.
彼女は味を加えるためにブイヨンに野菜を加えました。
C2 noun /baɪˈmɛstər/

bimester

二ヶ月の期間
Meaning
A period of two months.
Example
The academic program is divided into six bimesters.
学術プログラムは6つのバイメスターに分かれています。
C2 adjective /baɪˈkæmərəl/

bicameral

二院制
Meaning
Having two branches or chambers, especially in a legislature.
Example
The United States has a bicameral legislature consisting of the Senate and the House of Representatives.
アメリカ合衆国には上院と下院から成る二院制の立法機関があります。
C2 verb /boʊd/

bode

予兆する
Meaning
to be an omen of a particular outcome, often something bad
Example
The dark clouds bode a heavy storm.
暗い雲は激しい嵐を予兆しています。
C2 noun brəˈvɑː.dəʊ

bravado

実際ではない勇気や自信の誇示
Meaning
Show of courage or confidence that is not real.
Example
His bravado masked his nervousness before the performance.
彼のブラヴァードはパフォーマンス前の緊張を隠していた。
C2 noun /ˈbɒdɪs/

bodice

コルセット
Meaning
the part of a woman's dress that covers the body from the neck to the waist
Example
She wore a dress with an embroidered bodice.
彼女は刺繍が施されたコルセット付きのドレスを着ていた。
C2 noun /ˌbuː.ɡənˈvɪl.i.ə/

Bougainvillea

ブーゲンビリア
Meaning
a tropical climbing plant with colorful bracts surrounding small flowers
Example
The bougainvillea climbing over the garden wall creates a beautiful purple display.
庭の壁を登るブーゲンビリアが美しい紫色の展示を作り出します。
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 /ˈbeɪlɔːr/

bailor

寄託者
Meaning
a person who temporarily transfers possession of goods or property to another under a bailment agreement
Example
The bailor entrusted the valuable artwork to the museum for safekeeping.
寄託者は美術品を博物館に預けた。
C2 noun /ˈbɒmbæst/

bombast

大げさな言葉
Meaning
speech or writing that is overly pompous and inflated
Example
His campaign speech was full of bombast but lacked real substance.
彼の選挙演説はボンバストに満ちていたが、実際の実質は欠けていた。
C2 adjective /ˈbuːtləs/

bootless

無駄な
Meaning
Useless or futile; of no benefit.
Example
His bootless attempt to fix the machine only wasted time.
機械を修理する彼の無駄な試みは時間を無駄にしただけだった。
C2 noun /bəˈsuːn/

bassoon

一種の大型木管楽器
Meaning
a large woodwind instrument with a deep sound
Example
The orchestra featured a beautiful bassoon solo.
オーケストラは素晴らしいバスーンのソロを披露しました。
C2 noun /ˈbækənæl/

bacchanal

狂乱のパーティ
Meaning
A noisy party involving drinking and revelry.
Example
The festival turned into a wild bacchanal by midnight.
祭りは真夜中に狂乱のパーティに変わった。
C2 verb /bɪˈhuːv/

behoove

誰かが何かをすることが必要または適切である
Meaning
to be necessary, proper, or appropriate for someone to do
Example
It would behoove you to study before the exam.
試験の前に勉強することが必要です。
C2 verb /bɪˈsiːtʃ/

beseech

懇願する
Meaning
To ask someone urgently and fervently to do something; to beg.
Example
He beseeched the judge for mercy.
彼は裁判官に慈悲を請いました。
C2 noun /ˈbɑːr.bər/

Barbar

理髪師
Meaning
a person whose job is to cut men's hair and shave or trim beards
Example
The barber gave him a perfect haircut for his wedding.
理髪師は彼の結婚式のために完璧なヘアカットをしました。
C2 noun /ˈbrɔːdˌsaɪd/

broadside

激しい攻撃
Meaning
a strong verbal attack or a sheet of paper printed on one side
Example
The politician launched a broadside against his opponent.
政治家は相手に対して激しい攻撃を仕掛けました。
C2 noun /ˈbriːzˌweɪ/

breezeway

屋根付き通路
Meaning
A roofed outdoor passage, often connecting two buildings.
Example
The breezeway connected the house to the garage.
その通路は家とガレージを繋げていた。
C2 verb /bɪˈfaʊl/

befoul

汚染する
Meaning
to make dirty or polluted; to disgrace or corrupt
Example
The factory waste befouled the river.
工場の廃棄物が川を汚染した。
C2 verb /bɪˈθɪŋk/

bethink

思い出す
Meaning
to cause oneself to consider or remember something
Example
He bethought himself of the promise he had made.
彼は自分がした約束を思い出した。
C2 adjective /boʊˈhiːmiən/

bohemian

ボヘミアン
Meaning
unconventional, artistic, and free-spirited in lifestyle or appearance
Example
She decorated her apartment in a bohemian style with colorful fabrics.
彼女はカラフルな布でボヘミアンスタイルでアパートを飾りました。
C2 noun /ˌbɪbliəʊˈmeɪniə/

bibliomania

ビブリオマニア
Meaning
An extreme obsession with collecting or possessing books.
Example
His bibliomania led him to fill every room with books.
彼のビブリオマニアは、彼を本で部屋をいっぱいにさせた。
C2 adjective /bəˈθɛt.ɪk/

bathetic

取るに足りない感情
Meaning
displaying insincere or trivial emotion; producing an unintended ridiculous effect through sudden change from serious to silly
Example
The movie's ending was unintentionally bathetic rather than tragic.
映画の結末は悲劇的ではなく、取るに足りないものでした。
C2 adjective /ˈbeɪlfəl/

baleful

威圧的な
Meaning
Threatening harm; menacing or expressing hatred.
Example
She gave him a baleful look after the insult.
侮辱の後、彼女は彼に威圧的な目を向けた。
C2 adjective /bɪˈwɪtʃɪŋ/

bewitching

魅惑的
Meaning
charming, enchanting, or captivating in a magical or irresistible way
Example
She wore a bewitching smile that captivated everyone in the room.
彼女は魅惑的な笑顔を見せ、部屋の中の全員を魅了しました。
C2 adjective /ˈbræsi/

brassy

派手な
Meaning
loud and showy in a way that lacks good taste; resembling brass in color or sound
Example
She wore a brassy necklace that caught everyone’s attention.
彼女は目立つネックレスをしていて、みんなの注目を集めていた。
C2 adjective /ˌbiːəˈtɪfɪk/

beatific

至福の
Meaning
blissfully happy or showing great joy
Example
She had a beatific smile after hearing the good news.
彼女は良い知らせを聞いた後、至福の笑顔を浮かべていた。
C2 verb /ˈblækˌbɔːl/

blackball

排除する
Meaning
to exclude someone socially or vote against their membership in a group or club
Example
He was blackballed from the club after the controversy.
彼は論争の後、クラブから排除された。
C2 noun /ˈbɪɡ.ə.mi/

bigamy

重婚
Meaning
The act of marrying one person while still legally married to another.
Example
He was charged with bigamy after his second marriage was discovered.
彼は二度目の結婚が発覚した後、重婚で起訴されました。
C2 noun /ˈbɜːrɡər/

burgher

市民（裕福な中産階級）
Meaning
A citizen of a town, typically a member of the wealthy middle class.
Example
The burgher was respected as a prosperous merchant in the city.
その市民は、町で繁栄している商人として尊敬されていました。
C2 noun /ˈbɪbliəfaɪl/

bibliophile

書籍愛好者
Meaning
A person who loves or collects books.
Example
She is a true bibliophile who spends weekends at old bookstores.
彼女は古い本屋で週末を過ごす本の愛好者です。
C2 noun /bɑːrd/

bard

詩人
Meaning
a poet, traditionally one reciting epics and associated with oral traditions
Example
Shakespeare is often called the Bard of Avon.
シェイクスピアはしばしばアヴォンの詩人と呼ばれます。
C2 adjective /ˈbʌksəm/

buxom

豊満で魅力的な女性
Meaning
Plump, with a full figure and often large-breasted, especially used to describe women.
Example
The actress was described as a cheerful and buxom woman.
女優は明るくて豊満な女性として描かれました。
C2 verb /bɪˈtroʊð/

betroth

婚約する
Meaning
To formally promise to marry someone; to engage.
Example
He was betrothed to the princess at a young age.
彼は若い頃、王女と婚約していた。
C2 noun /ˈbɔːl.səm ˈæp.əl/

Balsam apple

苦瓜
Meaning
a bitter gourd vegetable with a bumpy green skin, also known as bitter melon
Example
Balsam apple is cooked with spices to reduce its bitter taste.
苦瓜はその苦味を減らすために香辛料と一緒に調理されます。
C2 adjective /ˈbɛərˌfeɪst/

barefaced

厚かましい
Meaning
shameless and undisguised; openly bold or unashamed
Example
He told a barefaced lie in front of everyone.
彼はみんなの前で厚かましい嘘をついた。
C2 noun /ˈbɪɡ.ə.mɪst/

bigamist

重婚者
Meaning
A person who commits the crime of marrying someone while already married to another.
Example
The man was arrested for being a bigamist.
その男はビガミストであるため逮捕された。
C2 verb /bɪˈliːɡər/

beleaguer

包囲する, 困らせる
Meaning
to cause difficulties, troubles, or harassment; to surround with military forces
Example
The company was beleaguered by constant complaints from its customers.
その会社は顧客からの絶え間ない苦情で包囲されていた。
C2 verb /bɪlk/

bilk

だます
Meaning
To cheat or defraud someone of money or rights.
Example
The scammer tried to bilk elderly people out of their savings.
詐欺師は高齢者の貯金をだまし取ろうとした。
C2 adjective /ˈbɪloʊɪŋ/

billowing

波打つ
Meaning
Describing something that swells or surges outward in waves or large masses.
Example
She walked through the billowing curtains.
彼女は波打つカーテンを通り抜けた。
C2 verb /bɪˈstraɪd/

bestride

支配する
Meaning
To sit or stand astride something; to dominate over.
Example
The statue bestrides the city square.
その像は都市広場を支配しています。
C2 adjective /ˈbreɪsɪŋ/

bracing

爽快な
Meaning
Invigorating, refreshing, or providing strength and energy.
Example
The hikers enjoyed the bracing mountain air.
登山者たちは爽快な山の空気を楽しんだ。
C2 verb /bɪˈwɪtʃ/

bewitch

魅了する
Meaning
to enchant or fascinate someone as if by magic
Example
The dancer's performance bewitched the audience.
ダンサーのパフォーマンスは観客を魅了した。
C2 noun /bəˈfuːn/

buffoon

道化師
Meaning
A ridiculous but amusing person; a clown or jester.
Example
He acted like a buffoon at the party, making everyone laugh.
彼はパーティーで道化師のように振る舞い、みんなを笑わせた。
C2 adjective /bɪˈfɒɡd/

befogged

混乱した, ぼんやりした
Meaning
Confused or clouded in mind; made unclear like being surrounded by fog.
Example
His mind felt befogged after the long and exhausting meeting.
長く疲れる会議の後、彼の心は混乱しているように感じた。
C2 adverb /bɪˈtaɪmz/

betimes

早く
Meaning
early; in good time
Example
She rose betimes to finish her work.
彼女は仕事を終わらせるために早く起きました。
C2 noun /ˈblʌfər/

bluffer

はったり屋
Meaning
a person who pretends to be more confident, skilled, or knowledgeable than they really are; someone who deceives others by bluffing
Example
Everyone eventually realized that he was just a bluffer with no real experience.
彼がただのはったり屋だと皆が気づいた。
C2 noun /breɪ/

brae

斜面
Meaning
A hillside or slope, especially in Scotland.
Example
They climbed up the grassy brae to see the sunset.
彼らは草に覆われた斜面を登って夕日を見ました。
C2 adjective /bɪˈhoʊldən/

beholden

恩義を感じている、または借りがある
Meaning
indebted or obliged to someone for a service or help
Example
He felt beholden to his mentor for all the guidance.
彼はすべての指導に対してメンターに恩義を感じていました。
C2 noun /ˈbɑːr.kəˌroʊl/

barcarole

バルカロール
Meaning
a traditional Venetian boat song, often in 6/8 time
Example
The orchestra played a beautiful barcarole that reminded me of Venice.
オーケストラは美しいバルカロールを演奏し、私にヴェネツィアを思い出させました。
C2 verb /ˈbaɪfərˌkeɪt/

bifurcate

二つに分かれる
Meaning
to divide into two branches or parts
Example
The road bifurcates into two separate paths at the hill.
その道路は丘の上で2つの分かれ道に分かれます。
C2 adjective /ˈbiːstiəl/

bestial

獣のような
Meaning
Relating to beasts; showing savagery, brutality, or lacking human sensibility.
Example
The prisoners were treated in a bestial manner.
囚人たちは獣のような扱いを受けた。
C2 adjective /blɑːˈzeɪ/

blase

無関心, 無感動
Meaning
unimpressed or indifferent to something because it has been experienced so often before
Example
After years of luxury travel, she felt blase about another trip to Paris.
何年もの贅沢な旅行の後、彼女はパリへの別の旅行に対して無関心を感じた。
C2 noun /ˈbɑːrbərɪzəm/

Barbarism

野蛮
Meaning
extreme cruelty or brutality; absence of culture and civilization
Example
The barbarism of the war crimes shocked the entire international community.
戦争犯罪の野蛮さは国際社会全体を衝撃に陥れた。
C2 noun /ˈbuːbi/

booby

ばか
Meaning
a foolish or gullible person; a silly individual
Example
He felt like a booby after making such a simple mistake.
そんな簡単な間違いをして、彼は自分をばかだと感じた。
C2 noun /ˈbriːtʃɪz/

Breeckes

膝丈パンツ
Meaning
knee-length trousers; short pants
Example
He wore riding breeches for the equestrian event.
彼は馬術イベントのために膝丈パンツを履いていました。
C2 noun /ˈbed.ləm/

Bedlam

混乱; 騒がしい混乱
Meaning
a scene of noisy confusion; chaos and disorder
Example
The classroom was complete bedlam after the fire alarm.
火災警報後、教室は完全に混乱していました。
C2 verb /bɪˈkɑːm/

becalm

落ち着かせる
Meaning
to make calm or still; to deprive a sailing vessel of wind
Example
The captain tried to becalm the anxious crew.
キャプテンは不安な乗組員を落ち着かせようとした。
C2 adjective /ˈbɪz.ən.taɪn/ or /ˈbaɪ.zənˌtiːn/

byzantine

複雑
Meaning
Extremely complicated and detailed; relating to the Byzantine Empire or its style.
Example
The new tax regulations are so byzantine that few understand them.
新しい税法は非常に複雑で、ほとんどの人は理解できません。
C2 noun /ˈbɒnəmi/

bonhomie

友好
Meaning
Cheerful friendliness and geniality.
Example
The meeting was filled with laughter and bonhomie.
会議は笑いと友好で満ちていた。
C2 adjective /ˈbrætɪʃ/

brattish

わがまま
Meaning
acting like a spoiled child; behaving in an annoying, self-centered way
Example
The brattish boy threw a tantrum when he didn’t get his toy.
わがままな男の子は、おもちゃがもらえなかったときに駄々をこねました。
C2 verb /bɪˈdɛk/

bedeck

飾る
Meaning
to decorate or adorn something in a showy way
Example
The hall was bedecked with flowers for the wedding.
ホールは結婚式のために花で飾られました。
C2 noun /ˈbɔːbəl/

bauble

小さな装飾品
Meaning
A small, decorative trinket or ornament, often of little value.
Example
She wore a shiny bauble around her neck.
彼女は首に輝く小さな装飾品をつけていた。
C2 noun /baɪt/

bight

入り江
Meaning
A bend or curve in a geographical feature, especially a coastline, or a loop in a rope.
Example
The sailors anchored in the calm waters of the bight.
船員たちは入り江の穏やかな水域でアンカーを下ろした。
C2 verb /bɪˈweɪl/

bewail

嘆き悲しむ
Meaning
to express deep sorrow or regret over something; to mourn openly
Example
She bewailed the loss of her childhood home.
彼女は子どもの頃の家を失ったことを嘆き悲しんだ。
C2 verb /bɪˈnʌm/

benumb

麻痺させる
Meaning
to make physically numb or without sensation; to make mentally dull or insensitive
Example
The freezing wind seemed to benumb his fingers within minutes.
凍える風が数分で彼の指を麻痺させた。
C2 verb /ˈbækbaɪt/

backbite

陰口を言う
Meaning
to speak negatively about someone who is not present; to slander behind someone’s back
Example
It is wrong to backbite your colleagues behind their backs.
同僚の陰口を言うのはよくない。
C2 noun /boʊl/

boll

丸い種子のカプセル（綿花や亜麻のような）
Meaning
The rounded seed capsule of plants such as cotton or flax.
Example
The farmer examined the cotton boll to check its quality.
農夫は綿のボールを調べて、その品質を確認しました。
C2 noun /ˈbɔːlsəm/

Balsam

バルサムの花
Meaning
a flowering plant with colorful blooms that often open in the evening; also refers to aromatic resin
Example
The garden balsam flowers bloomed beautifully in various shades of pink and purple.
庭のバルサムの花はピンクと紫のさまざまな色合いで美しく咲いていました。
C2 noun /ˈbroʊmaɪd/

bromide

ありきたりなアイデア
Meaning
A trite or unoriginal idea or remark; also a chemical compound of bromine.
Example
His speech was full of old bromides about hard work.
彼のスピーチは、努力についての古いありきたりなアイデアでいっぱいだった。
C2 noun /bel ˈæp.əl/

Bell apple

ベルリンゴ
Meaning
a tropical fruit with a crisp texture and sweet taste, scientifically known as Syzygium malaccense
Example
The bell apple tree produces beautiful red fruits that are popular in tropical regions.
ベルリンゴの木は美しい赤い果物を生産し、熱帯地域で人気があります
C2 verb /ˈbændi/

bandy

Meaning
To pass (words, ideas, or gossip) back and forth in a casual or argumentative way.
Example
They bandied jokes across the table.
C2 noun /ˈbeɪleɪ/

Bele

ベレ魚
Meaning
a type of freshwater fish found in South Asian rivers, known for its distinctive appearance
Example
The bele fish is commonly caught in the rivers of Bangladesh.
ベレ魚はバングラデシュの川でよく捕まえられる。
C2 noun /ˈbærəˌɡræf/

barograph

大気圧の変化を記録する機器
Meaning
an instrument that records changes in atmospheric pressure
Example
The scientist checked the barograph for pressure variations.
科学者は圧力の変動を調べるためにバログラフを確認した。
C2 noun /bʊr/

Boor

野蛮人; 無礼な人
Meaning
a rough and bad-mannered person; someone who lacks refinement or culture
Example
The wealthy businessman was actually a boor who showed no respect for others.
その裕福なビジネスマンは実際には他の人々に対して敬意を示さなかった野蛮人でした。
C2 verb /ˈbeɪɪŋ/

baying

吠える
Meaning
making a loud, prolonged barking or howling sound, especially of dogs
Example
The baying of the hounds echoed through the forest.
犬の鳴き声が森を通り抜けて響いた。
C2 adjective /ˈbɛlɪˌkoʊs/

bellicose

戦闘的
Meaning
Showing a tendency to argue or fight; aggressive.
Example
His bellicose attitude often got him into unnecessary conflicts.
彼の戦闘的な態度はしばしば不必要な対立を引き起こした。
C2 verb /bɪˈdɔːb/

bedaub

塗る
Meaning
to smear or cover with a sticky or dirty substance
Example
The children bedaubed the wall with paint.
子供たちは壁にペンキを塗った。
C2 noun /ˌbaɪ.oʊ.rɪˌmiː.diˈeɪ.ʃən/

bioremediation

バイオレメディエーション
Meaning
The use of living organisms to neutralize or remove environmental contaminants.
Example
Bioremediation helps remove toxins from polluted soil.
バイオレメディエーションは汚染された土壌から毒素を取り除くのに役立ちます。
C2 noun /ˈbaɪəˌɡræf/

biograph

伝記
Meaning
A written account of a person's life; an early motion-picture projector (historical use).
Example
The library holds an old biograph of the poet.
図書館には詩人の古い伝記があります。
C2 adjective /blaɪð/

blithe

無頓着
Meaning
Showing a casual and cheerful indifference considered improper or carefree happiness.
Example
She had a blithe disregard for the rules.
彼女はルールを無頓着に無視した。
C2 verb /bɪˈtəʊkən/

betoken

示唆する
Meaning
to be a sign or indication of something
Example
Dark clouds betoken an approaching storm.
暗い雲は迫り来る嵐を示唆している。
C2 adjective /bɪˈfʌdld/

befuddled

困惑した
Meaning
confused, unable to think clearly
Example
He looked befuddled after hearing the complex instructions.
彼は複雑な指示を聞いた後、困惑したように見えました。
C2 noun /brəˈvjʊrə/

bravura

Meaning
a display of great skill and brilliance, especially in music or performance
Example
The pianist delivered a bravura performance that left the audience spellbound.
C2 noun /ˈbɑːr.nɪ.kəl/

Barnacle

フジツボ
Meaning
a marine crustacean that attaches itself permanently to underwater surfaces
Example
The old ship's hull was covered with barnacles.
古い船の船体にはフジツボがびっしりと付いていた。
C2 noun /broʊɡ/

brogue

丈夫な靴; アクセント
Meaning
A strong outdoor shoe; also a marked accent, especially Irish or Scottish.
Example
He bought a pair of stylish brogues for the wedding.
彼は結婚式のためにおしゃれなブローグを買いました。
C2 noun /blæk ˈkɑːr.də.məm/

Black Cardamom

黒カルダモン
Meaning
a large aromatic spice pod with a smoky flavor, commonly used in Indian and Middle Eastern cooking
Example
Add black cardamom to the curry for a rich, smoky flavor.
カレーに黒カルダモンを加えて、リッチでスモーキーな風味を楽しんでください。
C2 adjective /ˈbɔːlki/

balky

頑固
Meaning
difficult, uncooperative, or stubborn
Example
The balky printer refused to work when needed most.
頑固なプリンターは最も必要な時に動作を拒否しました。
C2 verb /breɪ/

bray

鳴き声
Meaning
To make a loud, harsh sound like a donkey.
Example
The donkey began to bray loudly in the field.
ロバは畑で大声で鳴き始めました。
C2 noun /bɪˈnɪɡnɪti/

Benignity

優しさ; 穏やかさ; 良いまたは親切な性質
Meaning
kindness; gentleness; the quality of being benign or gracious
Example
Her benignity towards all people made her beloved by everyone.
彼女の優しさは、彼女をすべての人々から愛される存在にしました。
C2 verb /bɪˈstruː/

bestrew

撒く
Meaning
To scatter or cover something with objects or substances.
Example
The ground was bestrewn with autumn leaves.
地面は秋の葉で覆われていた。
C2 adjective /baɪˈɛniəl/

biennial

隔年の
Meaning
happening every two years
Example
The biennial festival attracts thousands of visitors.
その隔年の祭りは何千人もの訪問者を引き付けます。
C2 noun /briːtʃ/

breech

Meaning
The back part of a gun barrel; a position of a baby in the womb where the buttocks or feet come out first at birth.
Example
The rifle was loaded through the breech.
C2 verb /breɪz/

braze

ブレイズ
Meaning
To join two pieces of metal by heating and melting a filler metal into the joint.
Example
The mechanic brazed the broken pipe to fix the leak.
メカニックは壊れたパイプを溶接して漏れを修理しました。
C2 adjective /ˈblaɪðsəm/

blithesome

陽気
Meaning
cheerful, carefree, and full of joy
Example
She entered the room with a blithesome smile that lifted everyone's spirits.
彼女は陽気な笑顔で部屋に入り、皆の気分を盛り上げました。
C2 noun /ˌbluː ˈblʌd/

Blue-blood

ブルーブラッド
Meaning
a person of noble birth; aristocrat
Example
She came from a family of blue-bloods with centuries of royal heritage.
彼女は数世代にわたる王室の遺産を持つブルーブラッドの家族から来ました。
C2 noun /ˌbræɡəˈdoʊʃioʊ/

braggadocio

自慢話
Meaning
boastful or arrogant behavior; empty boasting
Example
His endless braggadocio annoyed everyone at the party.
彼の終わりのない自慢話はパーティーの皆をイライラさせた。
C2 verb /bɪˈdaɪzən/

bedizen

派手に飾る
Meaning
to dress up or decorate in a showy or tasteless way
Example
She was bedizened with cheap jewelry.
彼女は安いジュエリーで派手に飾られていた。
C2 noun /ˈbæn.jən/

Banian

ランニングシャツ
Meaning
a sleeveless undergarment worn next to the skin; vest
Example
He put on a cotton banian under his shirt.
彼はシャツの下に綿のバニアンを着ました。
C2 noun /ˈbɛvi/

bevy

群れ, グループ
Meaning
A large group of people or things of a particular kind.
Example
A bevy of swans floated on the lake.
一群の白鳥が湖を泳いでいた。
C2 noun /ˈbiːtənd raɪs/

Beatened rice

ビート米
Meaning
flattened rice; rice that has been parboiled, dried, and beaten into flat flakes
Example
Beaten rice is commonly eaten with milk and sugar for breakfast.
ビート米は通常、朝食で牛乳と砂糖と一緒に食べられます。
C2 verb /biˈætɪfaɪ/

beatify

列聖
Meaning
to make blessed or holy, especially in the Roman Catholic Church, to declare a deceased person to be among the blessed
Example
The pope decided to beatify the martyr for his faith and sacrifice.
教皇はその信仰と犠牲により、殉教者をビーティファイすることを決定しました。
C2 noun /ˈbʊlrʌʃ/

bulrush

ヨシ
Meaning
A tall plant with long leaves that grows in or near water, also known as a cattail.
Example
The pond was surrounded by tall bulrushes swaying in the wind.
池は風に揺れる高いヨシで囲まれていました。
C2 noun /ˈbɜːrsər/

bursar

会計係
Meaning
An official in a school or college responsible for financial affairs.
Example
The bursar approved the budget for the new library.
会計係は新しい図書館の予算を承認しました。
C2 verb /bɪˈleɪbə/

belabour

くどく説明する
Meaning
to explain something repeatedly or with excessive detail; to criticize or attack verbally at length
Example
The teacher did not belabour the point once the students understood it.
学生が理解した後、教師はその点をくどく説明しなかった。
C2 adjective /ˈbɔːdi/

bawdy

下品
Meaning
humorously indecent or obscene, often in a sexual way
Example
The comedian’s bawdy jokes made the audience laugh and blush.
コメディアンの下品なジョークは観客を笑わせ、顔を赤らめさせた。
C2 noun /boʊl/

bole

木の幹
Meaning
the trunk of a tree
Example
The bole of the tree was thick and strong.
木の幹は太くて強かった。
C2 verb /bɪˈfɪt/

befit

ふさわしい
Meaning
to be suitable for; to be appropriate to
Example
Formal attire befits the seriousness of the occasion.
フォーマルな服装はその場の厳粛さにふさわしい。