Vocabulary Cards
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C1 adjective
bogus
偽物
Meaning
false, fake, or not genuine
Example
The police arrested him for using a bogus ID card.
C2 adjective
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.
B1 noun
Boil
膿瘍; フロンケル
Meaning
a painful, pus-filled bump under the skin caused by infected hair follicles
Example
The painful boil on his neck required medical treatment.
B1 adjective
Boiled
ゆでた
Meaning
cooked in boiling water
Example
She served boiled eggs for breakfast.
C1 adjective
boisterous
騒々しい
Meaning
noisy, energetic, and cheerful; rowdy
Example
The children were boisterous during the birthday party.
B2 adjective
Bold
大胆; 自信; 勇敢
Meaning
brave; confident; daring
Example
He made a bold decision to start his own business.
B2 adverb
Boldly
大胆に; 恐れずに
Meaning
in a confident and brave way; without fear
Example
She boldly stepped forward to face the challenge.
B2 noun
Boldness
大胆さ; 勇気
Meaning
willingness to take risks; confidence and courage in behavior
Example
Her boldness in confronting the problem impressed everyone.
C2 noun
bole
木の幹
Meaning
the trunk of a tree
Example
The bole of the tree was thick and strong.
C2 noun
bolero
ボレロ（スペインのダンスまたは前が開いた短いジャケット）
Meaning
A Spanish dance in slow triple time, or a short jacket open at the front.
Example
The dancers performed a passionate bolero at the festival.
C2 noun
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.
C1 verb
bolster
強化する
Meaning
To support or strengthen; to prop up.
Example
The new policy aims to bolster economic growth.
B2 verb
bolt
突然走り出す; ボルトで固定する
Meaning
To move suddenly and quickly; also to fasten something with a bolt.
Example
The horse bolted from the stable after hearing a loud noise.
B1 noun
Bomb
爆弾
Meaning
an explosive device designed to cause damage or destruction
Example
The bomb disposal unit carefully defused the explosive device.
C1 verb
bombard
Meaning
to attack continuously with bombs, questions, or other forces
Example
Reporters bombarded the minister with difficult questions.
C2 noun
bombardier
爆撃手
Meaning
a member of a bomber crew responsible for releasing bombs
Example
The bombardier released the bombs with precision.
C1 noun
bombardment
爆撃
Meaning
a continuous attack with bombs or other projectiles
Example
The city endured a heavy bombardment during the war.
C2 noun
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.
C2 adjective
bombastic
派手な
Meaning
using pompous or inflated language with little meaning
Example
The professor’s bombastic lecture impressed no one.
C2 noun
Bombay duck
ボンベイフィッシュ
Meaning
a type of lizardfish found in coastal waters, commonly eaten dried and salted in South Asia
Example
Bombay duck is a popular delicacy when dried and fried.
B2 noun
Bomber
爆撃機
Meaning
military aircraft designed to drop bombs on targets
Example
The bomber squadron flew over the city at dawn.
B2 noun
bombing
爆撃
Meaning
an attack using bombs or explosives
Example
The city was devastated by the bombing.
C1 adjective
Bonafide
本物の; 正当な; 合法の
Meaning
genuine; authentic; legitimate
Example
She is a bonafide expert in her field.
C1 noun
Bonanza
富、運、または利益の突然の増加を引き起こす状況や出来事
Meaning
a situation or event that creates a sudden increase in wealth, good fortune, or profits
Example
The oil discovery was a bonanza for the small country.