vulnerability
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英語 BN ベンガル語 HI ヒンディー語 ES スペイン語 FR フランス語 DE ドイツ語 RU ロシア語 ZH 中国語 JA 日本語
All Vocabulary Cards All Vocabularies
B2 noun /ˌvʌl.nər.əˈbɪl.ə.ti/

vulnerability

脆弱性
Meaning
The quality or state of being exposed to the possibility of being attacked or harmed.
Example
Addressing vulnerability is crucial for stability.
脆弱性に取り組むことは、安定性にとって非常に重要です。
A2 verb /voʊt/

vote

投票する
Meaning
to make a choice in an election; to express preference
Example
Citizens vote to choose their representatives.
市民は代表者を選ぶために投票します。
C2 adjective /ˈvɪndɪkeɪtɪv/

vindicative

弁護的
Meaning
showing a tendency to vindicate or justify; inclined to defend
Example
Her vindicative tone showed that she strongly believed in her innocence.
彼女の弁護的な口調は、彼女が無罪であると強く信じていることを示していた。
B2 noun/adjective /ˈvɪntɪdʒ/

vintage

ヴィンテージ / クラシック
Meaning
Relating to high quality from the past; classic; also the year of a wine harvest.
Example
She wore a vintage dress from the 1950s.
彼女は1950年代のヴィンテージドレスを着ていました。
C1 noun vaɪˈtæləti

vitality

活力, エネルギー
Meaning
The state of being strong and active; energy.
Example
The vitality of the team helped them succeed in the competition.
チームの活力は、競技で成功を収める手助けとなった。
C1 noun /vɪnˈjɛt/

vignette

短編小説
Meaning
A short, descriptive piece of writing or a brief scene.
Example
The author included a poignant vignette in the introduction of the book.
著者は本の序文に感動的な短編小説を含めた。
B1 adjective /ˈvɛəriəs/

Various

さまざまな; 多様な種類の
Meaning
several different; many different types of
Example
She has lived in various countries around the world.
彼女は世界中の様々な国で生活していました。
A1 noun /ˈvɪlɪdʒ/

village

Meaning
a small community or group of houses in a rural area
Example
They live in a small village surrounded by mountains.
彼らは山に囲まれた小さな村に住んでいます。
C2 noun /ˈvaɪnəri/

vinery

ぶどう園
Meaning
A place where vines are cultivated, especially a vineyard or greenhouse for vines.
Example
The old vinery was filled with grapevines.
古いぶどう園はぶどうのつるでいっぱいでした。
B1 noun /ˈvɪn.ɪ.ɡər/

Vinegar

Meaning
a sour liquid made from fermented alcohol, used for cooking and preserving
Example
I added vinegar to the salad dressing for extra flavor.
私はサラダドレッシングにビネガーを加えて、味を増しました。
C1 verb /ˈveɪpəraɪz/

vaporize

蒸発させる
Meaning
to turn into vapor or gas
Example
The heat of the sun can vaporize water from the surface.
太陽の熱は水を表面から蒸発させることができます。
C2 adjective /ˈvɒkətɪv/

vocative

呼格
Meaning
relating to a case in grammar used for directly addressing someone
Example
In Latin, the vocative case is used when directly calling someone by name.
ラテン語では、ボカティブケースは名前で誰かを直接呼びかけるときに使用されます。
C1 noun/verb /vɔːlt/

vault

金庫 / 飛び越える
Meaning
A secure room for storing valuables; also to leap or spring over something.
Example
The bank kept its gold bars in a secure vault.
銀行は金の延べ棒を安全な金庫に保管していました。
C2 verb /ˈvaʊtʃ.seɪf/

vouchsafe

授ける
Meaning
to grant or give something in a gracious or condescending manner
Example
He vouchsafed them a rare smile.
彼は彼らに珍しい笑顔を授けた。
B2 noun /vaɪs/

Vice

悪習; 道徳的欠点
Meaning
an immoral or wicked behavior; a moral failing or fault
Example
Smoking is his only vice.
喫煙は彼の唯一の悪習です。
C1 noun ˌvɛn.əˈreɪ.ʃən

veneration

尊敬
Meaning
Great respect; reverence; the action of regarding with great respect or reverence.
Example
Many cultures show veneration for their ancestors.
多くの文化が祖先に対して尊敬を示します。
B2 noun /vaɪn/

vine

つる植物
Meaning
a climbing or trailing plant with long stems; a plant that produces grapes
Example
The vine climbed up the wall and covered it with green leaves.
そのつる植物は壁を登り、緑の葉で覆った。
C1 adjective /vəˈluː.mə.nəs/

voluminous

膨大, 広大, 巨大
Meaning
Occupying or containing much space; large in volume, in particular.
Example
The library contained a voluminous collection of books.
図書館には非常に大きな本のコレクションがありました。
C2 noun /ˈvɛləm/

vellum

パーチメント
Meaning
a fine parchment made originally from the skin of a calf, used for writing or printing
Example
The ancient manuscript was written on vellum.
古代の写本はパーチメントに書かれていました。
B1 noun ˈvɪktəri

victory

勝利
Meaning
The act of defeating an enemy or opponent in a battle, game, or other competition.
Example
The victory of Bangladesh on December 16 is a moment of pride.
バングラデシュの12月16日の勝利は誇りの瞬間です。
B1 noun /ˈvæl.juː/

Value

価値; 価格; 重要性
Meaning
the importance or worth of something; the amount of money that something is worth
Example
This antique vase has great sentimental value to our family.
このアンティークの花瓶は私たちの家族にとって大きな感情的価値があります。
C2 verb /voʊˈsɪfəˌreɪt/

vociferate

大声で抗議する
Meaning
to shout, complain, or argue loudly or vehemently
Example
The protesters vociferated against the unfair law.
抗議者たちは不公平な法律に反対して声高に叫んだ。
B2 noun /ˌveəriˈeɪʃən/

Variation

変動; バリエーション; 条件や量の違い
Meaning
a change or difference in condition, amount, or level; a different or distinct form or version of something
Example
There was a significant variation in temperature throughout the day.
1日の間に気温に顕著なバリエーションがありました。
C2 adjective /ˈviː.ni.əl/

Venial

許しがたい; 深刻ではない; 小さな
Meaning
forgivable; not seriously wrong; minor
Example
His late arrival was considered a venial offense.
彼の遅れた到着は許しがたい違反と見なされました。
B2 verb /ˈvaɪbreɪt/

vibrate

振動する
Meaning
To move or cause to move continuously and rapidly back and forth.
Example
The phone began to vibrate on the table.
電話がテーブルの上で振動し始めました。
B2 noun /veɪn/

Vein

静脈; 血管
Meaning
a blood vessel that carries blood back to the heart; a streak or marking of a different color
Example
The nurse found a vein in his arm to draw blood.
看護師は彼の腕に血を取るための静脈を見つけました。
C2 adjective /ˈvɒl.jʊ.bəl/

Voluble

おしゃべりな; 多弁な
Meaning
speaking fluently and readily; talkative; having a continuous flow of words
Example
The voluble salesman talked for hours about his products.
おしゃべりなセールスマンは自分の製品について何時間も話し続けました。
C2 noun /ˈvɜːrdɪɡriːs/

verdigris

緑青
Meaning
A green or bluish deposit that forms on copper, brass, or bronze surfaces due to oxidation.
Example
The old statue was covered in verdigris after years of exposure to the rain.
古い像は長年の雨にさらされた後、緑青で覆われていた。
B2 verb /vaʊ/

vow

誓う
Meaning
to make a serious promise; to pledge solemnly
Example
They vowed to love each other forever.
彼らは永遠に愛し合うことを誓いました。
B2 noun /ˈvæn.ɪ.ti/

Vanity

虚栄心
Meaning
excessive pride in one's appearance or achievements; the quality of being worthless or pointless
Example
Her vanity made her spend hours looking at herself in the mirror.
彼女の虚栄心は、鏡の前で何時間も自分を見つめさせた。
C2 adjective /ˈvɪtriəs/

vitreous

ガラスのような
Meaning
having a glass-like appearance or quality
Example
The mineral has a vitreous shine.
その鉱物はガラスのような光沢を持っています。
B1 noun /ˈviːɪkəl/

Vehicle

車両; 自動車; 手段
Meaning
a thing used for transporting people or goods, especially on land; a means of expressing or displaying something
Example
The electric vehicle is becoming more popular these days.
電気自動車は最近ますます人気が高くなっています。
C2 noun /ˈvoʊtəri/

votary

信者
Meaning
A devoted follower or admirer of someone or something.
Example
He is a votary of classical music and attends every concert.
彼はクラシック音楽の信者で、毎回コンサートに参加します。
B1 adjective /ˈvæljʊəbl/

Valuable

価値がある; 重要な
Meaning
worth a great deal of money; extremely useful or important
Example
The painting is very valuable and worth millions.
その絵画は非常に価値があり、何百万ドルもの価値がある。
C1 noun /vɛnˈdɛtə/

vendetta

復讐
Meaning
a prolonged bitter quarrel or campaign of revenge
Example
The two families were caught in a bitter vendetta for generations.
二つの家族は何世代にもわたり、苦い復讐に巻き込まれていた。
C2 adjective /vəˈreɪʃəs/

veracious

誠実な
Meaning
Truthful, honest; habitually speaking the truth.
Example
She gave a veracious account of what happened that day.
彼女はその日の出来事について誠実な説明をしました。
A1 noun /ˈvɪdiəʊ/

video

ビデオ
Meaning
a recording of moving visual images made digitally or on film
Example
She watched the video of her favorite concert online.
彼女はオンラインでお気に入りのコンサートのビデオを見ました。
B1 adjective /ˈvælɪd/

Valid

有効; 法的または公式に受け入れられる
Meaning
legally or officially acceptable; having a sound basis in logic or fact
Example
The passport is valid for ten years.
パスポートは10年間有効です。
C2 verb /ˈvɪlɪfaɪ/

vilify

幸せ
Meaning
to speak or write about someone in an abusive or disparaging manner
Example
The politician was vilified in the media for his controversial remarks.
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。
B2 noun /ˈven.juː/

Venue

会場
Meaning
a place where an event or activity takes place
Example
The wedding venue was beautifully decorated.
結婚式の会場は美しく飾られていました。
C1 noun /viˈoʊlə/ or /ˈvaɪələ/

viola

ヴィオラ
Meaning
A stringed instrument slightly larger than a violin, with a deeper and mellower tone.
Example
She chose to play the viola in the school orchestra.
彼女は学校のオーケストラでヴィオラを演奏することを選びました。
B2 noun /ˈves.əl/

vessel

Meaning
A ship or large boat.
Example
The vessel carried critical supplies.
その船は重要な物資を運んだ。
A2 noun /veɪˈkeɪ.ʃən/

Vacation

休暇
Meaning
a period of time when someone does not go to work or school but is free to do what they want, such as travel or relax
Example
I'm planning a vacation to the beach next summer.
来年の夏にビーチで休暇を計画しています。
B2 adverb /ˈvɜː.tʃu.ə.li/

Virtually

実質的に; ほぼ;
Meaning
nearly; almost; in effect though not in name
Example
The building was virtually destroyed in the earthquake.
その建物は地震でほぼ破壊されました。
B2 noun /ˈvæmpaɪər/

vampire

幸福
Meaning
a mythical creature that sucks blood from the living; metaphorically, a person who exploits others
Example
In folklore, a vampire rises at night to drink human blood.
彼女は賞を受け取ったとき、自分の幸福を隠すことができませんでした。
C1 noun /vəˈræs.ə.ti/

veracity

真実性
Meaning
Conformity to facts; accuracy and truthfulness.
Example
The journalist checked the veracity of the report.
ジャーナリストは報告書の真実性を確認しました。
C2 noun /vɪˈsɪsɪtjuːd/

vicissitude

人生の変化
Meaning
A natural change or succession of one thing to another; the ups and downs of life.
Example
The vicissitude of life often teaches resilience.
人生の変化はしばしばレジリエンスを教えます。
B1 noun /ˈvɪk.tɪm/

Victim

犠牲者
Meaning
a person who suffers harm, injury, or death as a result of an event or action
Example
The victim was taken to the hospital immediately.
犠牲者はすぐに病院に運ばれました。
C2 noun /ˌvælɪˌtjuːdɪˈnɛəriən/

valetudinarian

健康気にしすぎな人
Meaning
A person who is unduly anxious about their health or constantly concerned with minor ailments.
Example
He was regarded as a valetudinarian, always worrying about his health.
彼は健康気にしすぎな人として知られていた。
B1 noun /ˈvaɪtəmɪn/

vitamin

ビタミン
Meaning
a natural substance needed by the body to stay healthy
Example
Fruits and vegetables are rich sources of vitamins.
果物や野菜はビタミンの豊富な源です。
C1 noun /ˈvɔːrtɛks/

vortex

渦巻き
Meaning
A mass of whirling fluid or air, especially a whirlpool or whirlwind.
Example
The plane was caught in a dangerous vortex of air.
飛行機は危険な空気の渦巻きに巻き込まれました。
C1 adverb /ˈvaɪtəli/

vitally

極めて重要に
Meaning
in an extremely important or essential way; in a manner relating to life or vitality
Example
Access to clean water is vitally important for public health.
清潔な水へのアクセスは公衆衛生にとって極めて重要です。
C1 noun /ˌvaɪ.əˈbɪl.ə.ti/

viability

実現可能性
Meaning
Ability to work successfully; feasibility.
Example
The viability of the project depends on funding.
プロジェクトの実現可能性は資金に依存しています。
C2 adjective /ˈvɪrəl/

virile

男性的
Meaning
having traditionally masculine qualities, such as strength, energy, and sexual vigor
Example
The actor was admired for his virile appearance.
俳優はその男性的な外見で賞賛されました。
C2 noun /ˈveɪɡəri/

vagary

予測できない変化
Meaning
An unexpected and inexplicable change in a situation or someone's behavior.
Example
The vagaries of the weather made planning difficult.
天気の不規則な変化で計画が難しくなった。
B1 noun /ˌvɒl.ənˈtɪər/

Volunteer

ボランティア
Meaning
a person who freely offers to take part in an enterprise or undertake a task
Example
Many volunteers helped distribute food to the homeless.
多くのボランティアがホームレスに食べ物を配る手伝いをしました。
C1 adjective /ˈvɛdʒɪtətɪv/

vegetative

成長や生命の基本的なプロセスに関連する、しばしば意識的な思考や活動なしで
Meaning
relating to growth or the basic processes of life, often without conscious thought or activity
Example
The patient remained in a vegetative state after the accident.
事故の後、患者は植物状態にとどまっていました。
C2 noun /ˌvɑːljəˈbɪləti/

volubility

おしゃべり
Meaning
The quality of talking fluently, readily, or incessantly.
Example
His volubility made him a successful radio host.
彼の話し好きは、彼を成功したラジオホストにしました。
B1 noun /ˈvæk.siːn/

Vaccine

ワクチン
Meaning
a substance that is put into the body to prevent a disease
Example
The COVID-19 vaccine has helped reduce severe illness.
COVID-19ワクチンは重篤な病気を減少させるのに役立っています。
C2 noun /ˈvɛrɪti/

verity

真実性
Meaning
a true principle or belief; the state of being true
Example
The verity of his statement was confirmed by evidence.
彼の声明の真実性は証拠によって確認されました。
C2 adjective /ˈvɛdʒɪtəl/

vegetal

植物性の
Meaning
relating to or consisting of plants or vegetation
Example
The soup had a distinct vegetal flavor.
スープには独特の植物性の味がありました。
B2 adjective /vɪkˈtɔː.ri.əs/

Victorious

勝利した
Meaning
having won a victory; successful in a struggle or contest
Example
The victorious team celebrated their championship win with great joy.
勝利したチームは、チャンピオンシップの勝利を大きな喜びで祝いました。
C1 noun /væt/

vat

大きな容器
Meaning
A large container used for holding liquids such as dye or wine.
Example
The workers filled the vat with freshly pressed grape juice.
作業員たちは新しく絞ったぶどうジュースを大きな容器に入れました。
C2 adjective /vəˈlʌptʃuəs/

voluptuous

贅沢な
Meaning
Relating to or characterized by luxury and sensual pleasure; sexually attractive.
Example
The artist painted a voluptuous figure reclining on the couch.
アーティストはソファに横たわる贅沢な姿を描きました。
C1 noun /ˈviːəməns/

Vehemence

激しい感情; 表現の強さ
Meaning
great forcefulness or intensity of feeling or expression; passionate conviction
Example
He argued with such vehemence that everyone was surprised.
彼はその強い熱意で議論し、皆が驚きました。
C2 noun /ˈvɜːrbiɪdʒ/

verbiage

冗長な言葉
Meaning
Excessive use of words, often with little content or meaning; wordiness.
Example
The contract was filled with unnecessary legal verbiage.
契約は不要な法的冗長な言葉で満たされていた。
C2 adjective /veɪnˈɡlɔːriəs/

vainglorious

うぬぼれた
Meaning
Excessively proud of oneself or one’s achievements; boastful.
Example
The vainglorious leader boasted about his minor achievements.
その自惚れたリーダーは自分の些細な成果を自慢していた。
C1 adjective /vɜːrˈboʊs/

verbose

冗長
Meaning
Using or expressed in more words than are needed; wordy.
Example
His verbose explanation confused the audience instead of clarifying the issue.
彼の冗長な説明は、問題を明確にするどころか、聴衆を混乱させました。
B1 noun /ˈvæl.i/

Valley

Meaning
a low area of land between hills or mountains
Example
The green valley stretched for miles between the mountains.
緑の谷は山々の間に何マイルも広がっていた。
C1 noun /ˈvʌl.tʃər/

Vulture

ハゲワシ
Meaning
a large bird of prey that feeds mainly on carrion
Example
The vulture circled overhead, waiting for its prey.
ハゲワシは空を旋回しながら、その獲物を待っていました。
C2 verb /ˈvaɪtəlaɪz/

vitalize

活力を与える
Meaning
To give life, energy, or strength to something.
Example
Fresh air and exercise can vitalize the body and mind.
新鮮な空気と運動は体と心に活力を与えることができます。
C2 adverb /ˈvɛrɪli/

verily

本当に
Meaning
truly; certainly; without a doubt
Example
Verily, I say unto you, this is the truth.
本当に、私はあなたに言います、これが真実です。
C1 noun ˈvæljuː beɪst ˌɛdjuːˈkeɪʃən

value-based education

価値に基づく教育
Meaning
Education that emphasizes moral principles and ethical values.
Example
Value-based education shapes moral character.
価値に基づく教育は道徳的な性格を形成します。
C2 noun /ˈvæləns/

valance

装飾用バランス
Meaning
A decorative drapery hung across the top of a window or bed.
Example
She chose a floral valance to match the curtains in her bedroom.
彼女は寝室のカーテンに合うように花柄のバランスを選びました。
C2 adjective /vaɪˈtjuːpərəbl̩/

vituperable

非難されるべき
Meaning
Deserving of blame, censure, or harsh criticism.
Example
His reckless actions made him vituperable in the eyes of his colleagues.
彼の無謀な行動は、彼を同僚の目には非難されるべき存在にしました。
B2 verb /ˈvɒmɪt/

vomit

嘔吐する
Meaning
to bring up food from the stomach through the mouth; to be sick
Example
The patient began to vomit after taking the medication.
患者は薬を服用後、嘔吐し始めました。
B2 adjective /ˈveɪ.kənt/

Vacant

空いている; 未使用; 利用可能
Meaning
empty; not occupied; available
Example
There is a vacant apartment on the second floor.
2階には空いているアパートがあります。
B2 verb /ˈvaɪəleɪt/

violate

違反する
Meaning
to break or go against a rule or law; to disrespect
Example
Parking here violates the city regulations.
ここに駐車すると市の規則に違反します。
A2 noun /vɔɪs/

voice

Meaning
the sound produced by the vocal cords; the ability to speak or express oneself
Example
She has a beautiful voice that captivates the audience.
彼女には観客を魅了する美しい声があります。
B2 adjective /ˈvaɪ.brənt/

Vibrant

活気のある; 鮮やかな; 生き生きとした
Meaning
full of energy and life; bright and striking
Example
The vibrant colors of the sunset painted the sky beautifully.
夕焼けの鮮やかな色が美しく空を染めた。
C1 noun ˌvæljuˈeɪʃən

valuation

評価
Meaning
An estimation of the worth of something.
Example
The valuation of the property was much higher than expected.
その不動産の評価は予想よりはるかに高かった。
C1 noun /veɪl/

vale

Meaning
A valley, often used in a poetic or literary sense.
Example
The village lay hidden in a quiet green vale.
村は静かな緑の谷に隠れていました。
B2 adjective /ˈvɜː.tʃu.əl/

Virtual

バーチャル
Meaning
almost or nearly as described, but not completely or according to strict definition; existing in essence or effect, though not in fact
Example
The virtual meeting allowed participants from different countries to collaborate.
バーチャル会議は、さまざまな国からの参加者が協力することを可能にしました。
A2 noun /ˈvɒlibɔːl/

volleyball

バレーボール
Meaning
a team sport in which players hit a ball over a high net using their hands
Example
She plays volleyball with her friends every weekend.
彼女は毎週末友だちとバレーボールをします。
C1 noun /vəˈlɒs.ɪ.ti/

velocity

速度
Meaning
Speed or acceleration, the rate of movement of any object or vehicle.
Example
High velocity trains reduce travel time significantly.
高速鉄道は移動時間を大幅に短縮します。
C2 adjective /ˈvjuː.ləs/

Viewless

見えない; 意見なし
Meaning
invisible; having no views or opinions
Example
The ghost remained viewless to most people in the haunted house.
幽霊はお化け屋敷のほとんどの人々には見えませんでした。
C2 adjective /ˌvælɪˈdɪktəri/

valedictory

送別の
Meaning
Serving as a farewell or parting; relating to a valediction.
Example
He delivered a valedictory speech at the conference.
彼は会議で送別のスピーチを行った。
C1 noun /vərˈnækjələr/

vernacular

方言
Meaning
the language or dialect spoken by ordinary people in a particular region
Example
He gave his speech in the local vernacular so everyone could understand.
彼は地元の方言でスピーチをしたので、誰でも理解できました。
C2 verb /ˈvɪʃieɪt/

vitiate

損なう
Meaning
to spoil, weaken, or make something less effective
Example
One careless remark can vitiate the entire argument.
一つの不注意なコメントが議論全体を損なう可能性がある。
A2 noun /ˈvɪzɪtər/

visitor

訪問者
Meaning
a person who goes to see a place or someone for a short time
Example
The museum had many visitors last weekend.
博物館には先週末、多くの訪問者がいました。
C2 verb /ˈvɪvɪfaɪ/

vivify

生き生きさせる
Meaning
to give life or energy to something; to animate or enliven
Example
The teacher’s enthusiasm helped vivify the boring lecture.
教師の熱意が退屈な講義を生き生きとさせました。
C1 noun ˈvɜːmɪn

vermin

制御が難しく、病気を広める小さな害を与える動物や昆虫
Meaning
Small harmful animals or insects that are difficult to control and carry disease.
Example
The house was infested with vermin, requiring immediate action.
その家は害虫で侵され、即時の対応が必要でした。
B2 noun /ˈvel.vɪt/

Velvet

ベルベット
Meaning
a soft, luxurious fabric with a thick, short pile on one side
Example
The royal curtains were made of rich red velvet.
ロイヤルカーテンは豊かな赤いベルベットで作られていました。
B1 preposition /ˈvaɪə/ or /ˈviːə/

via

経由で
Meaning
through, by way of, or using a particular route or means
Example
She sent the documents via email.
彼女はメールを通じて書類を送った。
C1 verb /ˈvɪktɪmaɪz/

victimize

被害者にする
Meaning
To make someone a victim, often by treating them unfairly or cruelly.
Example
The corrupt officials victimized the poor villagers.
腐敗した役人たちは貧しい村人を犠牲にした。
B1 noun /vəˈraɪəti/

Variety

多様性; 種類
Meaning
the quality of being different or diverse; a number of things of the same general class that are distinct in character or quality
Example
The restaurant offers a wide variety of international dishes.
レストランは多彩な国際料理を提供しています。
C1 adjective ˈvɪdʒ.ɪ.lənt

vigilant

警戒
Meaning
Keeping careful watch for possible danger or difficulties; alert and watchful.
Example
The guards remained vigilant throughout the night.
警備員は一晩中警戒を保ち続けました。
B2 noun /vɜːrdʒ/

Verge

縁; 境界; しきい値
Meaning
the edge or border of something; very close to happening
Example
She was on the verge of tears.
彼女は涙の縁に立っていた。
C1 verb /vaʊtʃ/

vouch

保証する
Meaning
to confirm or assert the truth or reliability of something
Example
I can vouch for his honesty.
彼の誠実さを保証できます。
C2 verb /vɔːnt/

vaunt

Meaning
to boast or brag about something, especially in an excessive way
Example
He would often vaunt his achievements in front of his colleagues.
C2 adjective /ˈvɪnsəbl/

vincible

打ち負かされる可能性がある
Meaning
capable of being overcome or defeated
Example
The enemy seemed vincible after losing their main base.
敵は主要基地を失った後、打ち負かされる可能性があった。
B2 adjective /ˈvɛriəbl/

Variable

変動可能な
Meaning
able to change; not consistent or having a fixed pattern
Example
The weather has been very variable this week.
今週の天気は非常に変わりやすかったです。
C1 noun /ˈvæɡ.ə.bɒnd/

Vagabond

浮浪者; 放浪者
Meaning
a person who has no home or job and travels from place to place
Example
The old vagabond wandered through the streets looking for food.
年老いた浮浪者は食べ物を探して街を歩いていた。
C1 verb /ˈvæŋkwɪʃ/

vanquish

打ち負かす
Meaning
to defeat thoroughly, especially in battle or competition
Example
The army vanquished its enemies with superior strategy.
軍隊は優れた戦略で敵を打ち負かしました。
B2 noun /ˌvæk.sɪˈneɪ.ʃən/

Vaccination

ワクチン接種
Meaning
the process of giving a vaccine to a person or animal to protect them against a disease
Example
Children receive vaccination against measles at an early age.
子供たちは幼い頃に麻疹の予防接種を受けます。
C1 verb /vəˈkeɪt/

vacate

退去する
Meaning
to leave a place; to make empty by leaving
Example
The tenants must vacate the apartment by the end of the month.
入居者は月末までにアパートを退去しなければならない。
B1 noun /ˈvɔɪ.ɪdʒ/

Voyage

航海; 海上旅行
Meaning
a long journey involving travel by sea or in space
Example
The ship's voyage across the Atlantic took two weeks.
船の大西洋を越える航海は2週間かかりました。
B2 adjective /veɪn/

Vain

虚栄心; 無駄
Meaning
having excessive pride in one's appearance; futile or unsuccessful
Example
She spent hours in front of the mirror being quite vain.
彼女は鏡の前で何時間も過ごし、かなり虚栄心が強かった。
C1 noun ˌvɒl.əˈtɪl.ɪ.ti

volatility

変動性
Meaning
Liability to change rapidly and unpredictably, especially for the worse; instability.
Example
The stock market's volatility makes investment risky.
株式市場の変動性は投資を危険にする。
B2 noun /ˈvɛtərən/

veteran

経験豊富な人 / 退役軍人
Meaning
a person who has long experience in a particular field or an ex-member of the armed forces
Example
He is a veteran of the software industry.
彼はソフトウェア業界のベテランです。
C1 adjective /ˈvɛnərəbəl/

Venerable

尊敬すべき; 立派な
Meaning
deserving respect due to age, wisdom, or character; revered
Example
The venerable professor has taught at the university for fifty years.
その尊敬すべき教授は大学で50年間教えてきました。
B2 adjective /ˈvoʊkəl/

vocal

発声
Meaning
expressing opinions or feelings freely and loudly; relating to the voice
Example
She was very vocal about her dissatisfaction.
彼女は自分の不満について非常に発声していました。
C2 adjective /ˈvɪsɪd/

viscid

粘着性のある
Meaning
Having a thick, sticky consistency.
Example
The sap had a viscid texture that stuck to his hands.
樹液はべたべたした質感で、彼の手にくっついていた。
C2 noun /ˈvɛstmənt/

vestment

宗教的な衣装
Meaning
a garment, especially a ceremonial or official robe worn during religious services
Example
The priest wore a golden vestment during the ceremony.
司祭は儀式中に金色の聖衣を着ていた。
C1 adjective /ˈviːnəs/

venous

静脈の
Meaning
relating to the veins that carry blood to the heart
Example
The doctor examined the patient’s venous circulation.
医者は患者の静脈循環を検査しました。
B1 adjective /ˈvɪz.ə.bəl/

Visible

視覚的な; 明らか; 目立つ
Meaning
able to be seen; noticeable; apparent
Example
The mountain peak was clearly visible from our hotel room.
山の頂はホテルの部屋からはっきりと見えました。
C2 noun /ˈvɪtrioʊl/

vitriol

辛辣な批判
Meaning
harsh and bitter criticism
Example
The politician faced vitriol from the public.
政治家は一般市民から辛辣な批判に直面した。
C2 adjective /ˈvɑːlətɪv/

volitive

意志的
Meaning
Relating to the will or the exercise of the will.
Example
The treaty was signed under volitive agreement between both nations.
その条約は両国間の意志的な合意のもとで署名されました。
C1 noun /ˌvəʊ.kəl.aɪˈzeɪ.ʃən/

vocalization

発声、言葉での感情や考えの表現
Meaning
The action of producing sounds with the voice; the expression of thoughts or feelings in spoken words.
Example
The vocalization of the singer captivated the audience.
歌手のボカライゼーションは観客を魅了した。
B1 noun /vaɪəˈlɪn/

Violin

ヴァイオリン
Meaning
a musical instrument with four strings that is played with a bow
Example
She plays the violin beautifully in the orchestra.
彼女はオーケストラで美しくヴァイオリンを弾きます。
C2 noun /ˌvælədɪkˈtɔːriən/

valedictorian

最優秀学生
Meaning
The student with the highest academic achievements in a graduating class, often chosen to give the farewell speech.
Example
She was honored as the valedictorian of her class.
彼女はクラスの最優秀学生として表彰されました。