unwrap
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B1 verb /ʌnˈræp/

unwrap

包みを開ける
Meaning
remove wrapping or covering from something; reveal something gradually or clearly
Example
She carefully unwrapped the gift with excitement.
彼女は興奮しながら慎重に贈り物の包みを開けた。
B2 adjective /ˈʌt.ɚ/

Utter

完全な; 絶対的な; 全体の
Meaning
complete; absolute; total
Example
The movie was an utter disaster at the box office.
その映画は興行収入で完全に失敗しました。
C1 adjective /ˌʌnɪnˈhɪbɪtɪd/

uninhibited

抑制されていない
Meaning
Not restrained or restricted; free in behavior or expression.
Example
She gave an uninhibited laugh at the joke.
彼女は冗談に対して抑制されずに笑った。
B2 adjective /ˈʌl.tɪ.mət/

Ultimate

究極; 最後; 最高の
Meaning
being the best or most extreme example of its kind; final; last
Example
This is the ultimate test of your skills.
これがあなたのスキルの究極のテストです。
C1 adjective /ʌnˈruːli/

Unruly

無秩序な; 不従順な;
Meaning
difficult to control or manage; disorderly and disruptive
Example
The unruly crowd refused to follow the safety instructions.
無秩序な群衆は安全指示に従うことを拒否した。
B2 adjective /ʌnˈberəbəl/

Unbearable

耐えられない
Meaning
too painful, annoying, or unpleasant to tolerate; impossible to endure
Example
The heat in the desert was unbearable.
砂漠の暑さは耐えられなかった。
C2 adjective /ˌʌnɪkˈsɛpʃənəbl/

unexceptionable

非の打ち所がない
Meaning
Not open to objection; acceptable and unobjectionable
Example
His behavior was unexceptionable throughout the event.
彼の行動はイベント中ずっと非の打ち所がなかった。
B1 noun /ˌʌnɪmˈplɔɪmənt/

Unemployment

失業
Meaning
the state of being unemployed; lack of paid work
Example
The unemployment rate has increased significantly this year.
今年の失業率は大幅に増加しました。
B2 noun /ʌnˈkɒnʃəsnəs/

unconsciousness

無意識
Meaning
the state of being unaware of and unable to respond to one's surroundings
Example
After the accident, he was in a state of unconsciousness for several hours.
事故の後、彼は数時間意識を失っていた。
B1 adjective /ˌʌndərˈstændəbl/

understandable

理解できる
Meaning
Able to be understood; reasonable or justifiable.
Example
Her reaction was understandable given the situation.
その反応は状況を考慮すると理解できるものでした。
B2 adjective /ˌʌnkənˈtroʊld/

uncontrolled

制御不能な
Meaning
not restrained or managed; lacking control
Example
The wildfire spread in an uncontrolled manner, causing widespread damage.
山火事は制御不能な方法で広がり、広範囲に被害をもたらした。
B2 adjective /ʌnˈhɜːd/

Unheard

聞かれなかった; 未知の
Meaning
not heard or listened to; not given a hearing; unknown or unfamiliar
Example
His complaints went unheard by the management.
彼の苦情は経営陣に無視されました。
C1 adjective ʌnɪnˈhæbɪtəbəl

uninhabitable

住めない
Meaning
Not suitable or safe for people to live in.
Example
Rapid urbanization can make cities uninhabitable.
急速な都市化は都市を住めない場所にする可能性があります。
B2 adjective /ʌnˈiːvən/

Uneven

不均一; 凹凸のある
Meaning
not level or smooth; not regular or consistent
Example
The road was uneven and full of potholes.
その道は不均一で、穴だらけだった。
C1 adjective /ʌnˈsɪvəl/

Uncivil

無礼な; 不作法な;
Meaning
not polite or courteous; rude and discourteous in behavior
Example
His uncivil remarks during the meeting offended everyone present.
会議中の彼の無礼な発言は、出席者全員を不快にさせた。
C1 noun /ˈʌndərˌwɜːrld/

underworld

アンダーワールド
Meaning
The criminal world of organized crime or the mythical world of the dead.
Example
The detective spent years studying the secrets of the underworld.
探偵はアンダーワールドの秘密を何年も研究していました。
B2 noun /ʌnˈsɜːrtənti/

Uncertainty

不確実性; 疑念または確信の欠如
Meaning
the state of being uncertain; doubt or lack of sureness
Example
The uncertainty about the weather delayed our trip.
天気についての不確実性が私たちの旅行を遅らせた。
A2 noun /ˈʌndərweər/

underwear

下着
Meaning
Clothing worn beneath outer clothes, typically next to the skin.
Example
He bought new underwear for the trip.
彼は旅行のために新しい下着を買った。
A1 adjective /juːzd/

used

中古
Meaning
having already been used
Example
This is a used car.
これは中古車です。
B2 adverb /ʌnˈsɜːrtənli/

uncertainly

不確かに
Meaning
in a way that shows doubt or lack of certainty
Example
She glanced uncertainly at the complicated instructions.
彼女は複雑な指示を不確かに見つめた。
B2 adverb /ʌnˈfɛərli/

unfairly

不公平に
Meaning
In a manner that is not just, reasonable, or impartial
Example
He was treated unfairly by the committee.
彼は委員会によって不公平に扱われた。
B1 adjective /ʌnˈmærid/

unmarried

未婚
Meaning
Not married; single.
Example
He is thirty-five and still unmarried.
彼は三十五歳で、まだ未婚です。
B2 adjective /ʌnˈprɒf.ɪ.tə.bl̩/

Unprofitable

採算が取れない
Meaning
not yielding profit or gain; not producing financial benefit
Example
The unprofitable business was forced to close down after three years.
採算が取れないビジネスは3年後に閉店を余儀なくされました。
C2 adverb /ʌnˈɜːrɪŋli/

unerringly

間違いなく
Meaning
Without making any mistakes; always accurate
Example
The archer aimed unerringly at the target.
弓矢は間違いなくターゲットに向かって狙いを定めた。
B2 adjective /ʌnˈkwɒl.ɪ.faɪd/

Unqualified

資格がない; 経験不足の;
Meaning
not having the necessary skills or qualifications; complete or absolute
Example
He was unqualified for the engineering position due to lack of experience.
彼は経験不足でエンジニアの職に不適格でした。
B1 adjective /ʌnˈedjʊkeɪtɪd/

Uneducated

未教育; 教育を受けていない
Meaning
lacking education; not having received formal schooling or training
Example
Many uneducated workers struggle to find well-paying jobs.
多くの未教育の労働者は、良い給料の仕事を見つけるのに苦労しています。
C2 adjective /ˌʌnɪmˈpiːtʃəbl/

unimpeachable

非難の余地がない
Meaning
Not able to be doubted, questioned, or criticized; completely trustworthy.
Example
She is known for her unimpeachable honesty.
彼女はその非難の余地がない誠実さで知られています。
B1 adverb /ˌʌpsaɪd ˈdaʊn/

Upside-down

逆さま
Meaning
with the upper part at the bottom; in or into a reversed position
Example
The picture was hanging upside-down on the wall.
絵は壁に逆さまに掛かっていた。
B2 adjective /ʌnˈsteɪbəl/

Unstable

不安定
Meaning
likely to change; not steady or secure; unsteady
Example
The unstable economy made people worried about their jobs.
不安定な経済は、人々を自分たちの仕事について心配させました。
C1 adjective /ʌnˈsəʊʃəl/

unsocial

非社交的な
Meaning
not enjoying the company of others; avoiding social interaction; contrary to social norms
Example
He prefers unsocial hours so he can work alone without interruptions.
彼は一人で働くために非社交的な時間を好む。
C1 adjective /ˌʌnfɔːrˈsiːn/

unforeseen

Meaning
Not anticipated or predicted; unexpected.
Example
The project faced unforeseen challenges that delayed its completion.
B1 adjective /ʌnˈsɜːrtən/

Uncertain

不確か
Meaning
not able to be relied on; not known or definite; not having reliable knowledge
Example
I am uncertain about my future career plans.
私は自分の将来のキャリア計画に不確かさを感じています。
C2 verb /ʌnˈfrɒk/

unfrock

神父の職を剥奪する
Meaning
To remove a priest from his position or deprive someone of a rank.
Example
The corrupt priest was unfrocked after the investigation.
腐敗した神父は調査後に職を剥奪されました。
C1 adjective /ˌʌnəˈteɪnəbl/

unattainable

達成不可能な
Meaning
impossible to achieve, reach, or accomplish
Example
For many, becoming a professional athlete remains an unattainable dream.
多くの人にとって、プロのアスリートになることは依然として達成不可能な夢です。
C2 noun /ˈʌmbrɪdʒ/

umbrage

怒り, 不満
Meaning
A feeling of resentment or offense.
Example
She took umbrage at his rude remark.
彼女は彼の無礼な発言に怒りを感じた。
B2 noun ˈjuːnəti

unity

団結
Meaning
The state of being united or joined as a whole.
Example
Unity among people led to victory.
人々の団結が勝利をもたらした。
A1 verb /ˌʌndərˈstænd/

understand

理解する
Meaning
to know the meaning of something; to comprehend
Example
Do you understand the instructions?
指示が理解できますか?
B2 adjective /ʌnˈrɪəl/

unreal

非現実的な
Meaning
not real or not based on reality; exaggerated or imaginary
Example
The experience felt unreal after the sudden news.
突然の知らせの後、その体験は非現実的に感じられた。
A2 noun /ˈjuːnɪt/

unit

ユニット
Meaning
an individual thing or person regarded as a single and complete entity
Example
Each unit in the production line is carefully tested.
生産ラインの各ユニットは慎重にテストされます。
C1 adjective ʌnˈmætʃt

unmatched

比類のない
Meaning
Not equaled or rivaled by any other; without equal.
Example
The freedom fighters showed unmatched bravery.
自由の戦士たちは比類のない勇気を示しました。
B1 adjective /ʌnˈeɪ.bəl/

Unable

できない
Meaning
lacking the power, skill, or means to do something
Example
He was unable to attend the meeting.
彼は会議に出席できませんでした。
C1 adjective /ʌnˈɒnəd/

unhonoured

敬われない
Meaning
not respected or given the recognition that is deserved; treated without honor
Example
He felt unhonoured after his years of service were ignored.
長年の奉仕が無視され、彼は敬われないと感じた。
C1 verb /ʌpˈruːt/

uproot

引き抜く
Meaning
To pull something out of the ground; to remove or displace completely.
Example
They uprooted the old tree from the garden.
彼らは庭から古い木を引き抜いた。
C1 adjective /ˌʌnbɪˈkʌmɪŋ/

unbecoming

不適切
Meaning
Not proper or appropriate for a person; unsuitable.
Example
His rude behavior was unbecoming of a leader.
彼の無礼な態度はリーダーとして不適切だった。
C1 adjective /ˌʌndərˈsteɪtɪd/

understated

控えめな
Meaning
Presented in a subtle and restrained way.
Example
She wore an elegant but understated dress.
彼女はエレガントで控えめなドレスを着ていた。
C1 adjective /ʌnˈsəʊʃəbl/

unsociable

非社交的な
Meaning
not enjoying the company of others; avoiding social interaction
Example
He became unsociable after moving to a new city.
新しい街に引っ越してから、彼は非社交的になった。
C1 adjective /ʌnˈmaɪndfəl/

Unmindful

無頓着な; 注意しない;
Meaning
not paying attention; careless; heedless
Example
She was unmindful of the danger around her.
彼女は周りの危険に気づいていませんでした。
C2 verb /ˈʌndərˌraɪt/

underwrite

Meaning
To guarantee financial support, especially by agreeing to cover losses or risks; in insurance, to assess and accept risks.
Example
The bank agreed to underwrite the company's new bond issue.
C1 adjective /ʌnˈsoʊld/

unsold

未販売の
Meaning
not sold; remaining without a buyer
Example
The unsold goods were returned to the warehouse.
未販売の商品は倉庫に戻されました。
C2 adjective /ʌnˈspɛərɪŋ/

unsparing

容赦ない
Meaning
Showing no mercy or generosity; harsh or severe.
Example
The critic was unsparing in his review of the play.
批評家は彼の演劇レビューで容赦なかった。
C1 adjective /ʌnˈbraɪdld/

unbridled

抑制のない
Meaning
Uncontrolled and unrestrained.
Example
The protesters showed unbridled enthusiasm for change.
抗議者は変革に対して抑えきれない熱意を示しました。
C1 noun /ˈjuːnɪsən/

unison

ユニゾン
Meaning
Simultaneous performance or utterance of action or speech.
Example
The choir sang in unison.
合唱団はユニゾンで歌いました。
C1 adjective /ˌʌnɪˈkwɪvəkəl/

unequivocal

明確
Meaning
Leaving no doubt; clear and unambiguous
Example
She gave an unequivocal answer to the question.
彼女は質問に対して明確な答えを出しました。
B2 adjective /ʌnˈriːdəbl/

unreadable

読めない
Meaning
not able to be read or understood clearly; illegible
Example
The doctor’s handwriting was completely unreadable.
医者の字は完全に読めなかった。
A2 adjective /ˈʌɡ.li/

Ugly

醜い; 嫌悪すべき; 恐ろしい
Meaning
unpleasant or repulsive in appearance; morally reprehensible
Example
The old building looked ugly after years of neglect.
長年の放置の後、その古い建物は醜く見えました。
C1 verb /ˌʌn.dəˈtʃɑːrdʒ/

undercharge

過少に請求する
Meaning
To charge less than the correct or fair amount.
Example
The shopkeeper accidentally undercharged me for the groceries.
店主は私に食料品を過少に請求しました。
C1 adjective /ʌnˈtʃælɪndʒd/

Unchallenged

挑戦されていない; 反対なしに受け入れられた; ライバルなし
Meaning
not disputed or questioned; accepted without opposition; having no rival
Example
He remained the unchallenged champion for five years.
彼は5年間、挑戦されていないチャンピオンであり続けました。
B2 adjective /ʌnˈendɪŋ/

Unending

終わりのない
Meaning
continuing forever; without end
Example
The unending rain made the day feel gloomy.
終わりのない雨が一日を憂鬱にした。
B2 adjective /ʌnˈfeɪv(ə)rəbəl/

unfavorable

不利な
Meaning
not beneficial or advantageous; showing disapproval or opposition
Example
The proposal received an unfavorable response from the committee.
その提案は委員会から不利な反応を受けました。
A1 noun /ˈʌŋkəl/

uncle

おじ/おじさん
Meaning
the brother of one's father or mother
Example
My uncle is visiting us next week.
私のおじさんは来週私たちを訪ねてきます。
C1 adjective /ʌnˈsiːmli/

unseemly

不適切な
Meaning
Not proper or appropriate in behavior or appearance; unbecoming.
Example
His unseemly remarks embarrassed everyone at the dinner table.
彼の不適切な発言はディナーテーブルで皆を困らせました。
C1 adjective /ʌnˈtaɪmli/

Untimely

不適切なタイミングで
Meaning
happening at an inappropriate or inconvenient time; premature
Example
His untimely death at the age of thirty shocked everyone.
彼の不適切なタイミングでの死は30歳でみんなを驚かせた。
C2 verb /ʌnˈkloʊð/

unclothe

服を脱がせる; 衣服を取り除く
Meaning
to remove clothing from someone or something
Example
The nurse helped unclothe the patient for the examination.
看護師は検査のために患者の服を脱がせる手伝いをした。
B2 noun /juːˈtɪl.ə.ti/

Utility

効用; 利益; 公共サービス
Meaning
the state of being useful, profitable, or beneficial; a public service
Example
The utility of solar panels increases with rising electricity costs.
電気料金の上昇とともに、太陽光パネルの効用が増加しています。
C1 noun /ˌʌnriˈælɪti/

unreality

非現実感
Meaning
the state or quality of being unreal; lack of reality or truth
Example
The dreamlike setting gave the story a sense of unreality.
夢のような舞台は物語に非現実感を与えた。
B2 verb /ʌnˈkʌvə(r)/

uncover

明らかにする
Meaning
to reveal something that was hidden or secret
Example
The investigation uncovered new evidence.
調査で新しい証拠が明らかになった。
A1 adjective /ˈjuːs.fəl/

Useful

役に立つ; 実用的な
Meaning
having a beneficial purpose; practical
Example
This tool is very useful for fixing problems.
このツールは問題を解決するために非常に役立ちます。
B2 adjective /ʌnˌkənˈfɜːmd/

Unconfirmed

未確認; 未検証;
Meaning
not confirmed as true or definite; not verified or substantiated
Example
The report remains unconfirmed until we receive official verification.
報告書は公式の確認が得られるまで未確認のままです。
A2 verb /ʌpˈdeɪt/

update

更新
Meaning
to make something more modern or current; to provide new information
Example
Please update your software regularly.
定期的にソフトウェアを更新してください。
C1 verb /ʌnˈɜːθ/

unearth

発掘する
Meaning
To dig up from the ground or to discover something hidden.
Example
Archaeologists unearthed ancient artifacts at the site.
考古学者たちはサイトで古代の遺物を発掘した。
C1 adjective /ʌnˈvaɪəbl/

unviable

実現不可能
Meaning
Not capable of working successfully; not feasible or practical.
Example
The project was deemed unviable due to high costs.
高額なコストのため、このプロジェクトは実現不可能と見なされました。
C2 verb /ˈʌndərˌmæn/

underman

人手不足
Meaning
to supply with fewer workers or personnel than needed
Example
The hospital was undermanned during the flu outbreak.
インフルエンザの流行時に病院は人手不足でした。
C1 adjective + noun ʌnˈpresɪdentɪd ˈnɒlɪdʒ

unprecedented knowledge

前例のない知識
Meaning
Information or understanding that has never been obtained or achieved before.
Example
Artemis will provide unprecedented knowledge about the solar system.
アルテミスは太陽系に関する前例のない知識を提供する。
C2 adjective /ʌnˈkɒnʃənəbl/

unconscionable

不正当な
Meaning
shockingly unfair or unreasonable
Example
The company made unconscionable profits from the crisis.
その会社は危機から不正当な利益を得ました。
B2 adjective /ˈʌpˌhɪl/

Uphill

困難な; 大きな努力が必要な; 上向きの傾斜
Meaning
difficult; requiring great effort; sloping upward
Example
Learning a new language can be an uphill battle.
新しい言語を学ぶことは困難な戦いである可能性があります。
C1 adjective /ʌnˈkɛmpt/

unkempt

だらしない
Meaning
Having an untidy or disheveled appearance.
Example
He looked unkempt after sleeping outdoors all night.
彼は一晩外で寝た後、だらしなく見えた。
B2 adjective /ʌnprəˈfɛʃ.ən.əl/

Unprofessional

不专业
Meaning
not conforming to the standards expected in a particular profession
Example
His unprofessional behavior led to his dismissal from the company.
彼の不専門的な行動は、会社からの解雇を引き起こしました。
A2 adjective /ʌnˈhæp.i/

Unhappy

不幸な; 悲しい
Meaning
not happy; feeling sad or displeased; unfortunate or undesirable
Example
He was unhappy with the results of his exam.
彼は試験の結果に不満でした。
B2 noun /ˌʌndəˈɡrædʒuət/

undergraduate

学部生
Meaning
a student who has not yet earned a bachelor's degree
Example
She is an undergraduate studying computer science.
彼女はコンピュータサイエンスを学んでいる学部生です。
B2 adjective /ˌʌn.kəʊˈɒp.ər.ə.tɪv/

uncooperative

非協力的な
Meaning
not willing to help or work with others; unhelpful
Example
The witness was uncooperative and refused to answer questions.
証人は非協力的で、質問に答えることを拒否した。
A1 interjection /ʌ/

uh

ああ
Meaning
a sound people make when they hesitate or are unsure what to say next.
Example
Uh, I’m not sure if that’s the right answer.
ああ、それが正しい答えかどうかはわからない。
C1 noun ˌʌndərˈprɪvəlɪdʒd ɡruːps

underprivileged groups

恵まれないグループ
Meaning
Groups of people who lack basic necessities or advantages that are available to other members of society.
Example
Underprivileged groups benefit from social initiatives.
恵まれないグループは社会的なイニシアティブから利益を得ます。
B1 adjective /ˈɜːrdʒənt/

Urgent

緊急
Meaning
requiring immediate action or attention; pressing
Example
The patient needs urgent medical attention.
患者は緊急の医療支援が必要です。
C2 adjective /ˈʌndjʊləs/

undulous

波打つ
Meaning
Having a wavy surface or form.
Example
The artist painted the undulous sea at sunset.
アーティストは夕日に照らされた波打つ海を描きました。
B2 adjective /ʌnˌkənˈdɪʃ.ən.əl/

Unconditional

無条件の
Meaning
not subject to any conditions; complete and absolute
Example
She offered her unconditional support to her friend in need.
彼女は困っている友人に無条件のサポートを提供しました。
C1 adjective /ʌnˈɜːrθli/

unearthly

超自然的
Meaning
Strange or unnatural in a way that seems not of this world
Example
The forest was filled with an unearthly glow.
森は超自然的な輝きで満たされていました。
B2 adverb /ʌnˈdaʊtɪdli/

undoubtedly

間違いなく
Meaning
without a doubt, certainly
Example
He is undoubtedly the best player on the team.
彼は間違いなくチームで一番の選手です。
B2 verb /ˌʌndərˈmaɪn/

undermine

弱める
Meaning
to gradually weaken or damage something or someone
Example
Constant criticism can undermine a child's confidence.
継続的な批判は子どもの自信を弱める可能性があります。
B2 noun /ʌnˈrest/

Unrest

不安; 動乱; 社会的または政治的混乱
Meaning
a state of dissatisfaction and disturbance; social or political disorder
Example
The economic crisis led to widespread social unrest.
経済危機は広範な社会的不安を引き起こしました。
C2 verb /juˈzɜrp/

usurp

奪取
Meaning
to take someone's position of power illegally or by force
Example
The general tried to usurp the king's throne.
将軍は王の玉座を奪おうとした。
C2 noun /ˈʌŋkʃən/

unction

聖別
Meaning
The act of anointing as part of a religious or ceremonial ritual; excessive or insincere flattery.
Example
The priest performed the holy unction with solemnity.
司祭は厳粛に聖別の儀式を行った。
B2 verb /ɜːrdʒ/

urge

促す
Meaning
to strongly encourage or try to persuade someone to do something
Example
Doctors urge patients to exercise regularly.
医者は患者に定期的に運動するように促します。
C1 adjective /ˌʌnbɪˈliːvɪŋ/

unbelieving

信じない
Meaning
Not willing or able to believe; skeptical or doubtful
Example
She gave him an unbelieving look when he claimed to have met a celebrity.
彼が有名人に会ったと主張したとき、彼女は彼に信じない目を向けた。
C1 adjective /ʌnˈhoʊli/

Unholy

不浄な; 邪悪な; 不敬な
Meaning
wicked; sinful; profane
Example
The unholy alliance between the two companies caused public outrage.
その二つの会社の間の不浄な提携は、公共の怒りを引き起こしました。
C2 adjective /ʌnˈmɪtɪɡeɪtɪd/

unmitigated

完全な
Meaning
absolute; not lessened or moderated
Example
The meeting was an unmitigated disaster.
会議は完全な災害でした。
B2 adverb /ʌnˈnesəserəli/

Unnecessarily

不必要に
Meaning
to a greater extent than is needed; without necessity
Example
Don't worry unnecessarily about the exam.
試験について不必要に心配しないでください。
C1 verb /ˌʌndəˈreɪt/

underrate

過小評価
Meaning
to fail to recognize the full value or importance of something or someone
Example
Many people underrate the benefits of regular exercise.
多くの人々が定期的な運動の利点を過小評価しています。
B2 adjective /ˌʌndɪˈstɜːrbd/

Undisturbed

邪魔されない
Meaning
not interrupted or interfered with; calm and peaceful
Example
She slept undisturbed for eight hours.
彼女は8時間、邪魔されずに眠った。
B2 adjective /ʌnˈɡreɪt.fəl/

Ungrateful

恩知らず
Meaning
not feeling or showing thanks for something done or given; not appreciating kindness
Example
She felt he was ungrateful for all the help she had given him.
彼女は、彼が彼女が与えたすべての助けに対して恩知らずだと感じた。
C1 adverb /ʌnˈnætʃrəli/

unnaturally

不自然に
Meaning
in a way that is not natural or normal; excessively or strangely
Example
He smiled unnaturally, making everyone feel uncomfortable.
彼は不自然に笑い、皆を居心地悪くさせた。
A1 adverb /ˈjuː.ʒu.ə.li/

Usually

通常; 一般的に
Meaning
in most cases; generally; as a rule
Example
I usually wake up at 7 AM every morning.
私は通常、毎朝7時に起きます。
C1 noun /ˈʌlsər/

ulcer

Meaning
a sore on the skin or a mucous membrane that does not heal easily
Example
The doctor prescribed medicine to treat the stomach ulcer.
C2 adjective /ʌnˈflɛdʒd/

unfledged

未熟な
Meaning
Inexperienced, immature, or not fully developed.
Example
The unfledged writer struggled to complete his first novel.
未熟な作家は、最初の小説を完成させるのに苦労しました。
C1 verb /ʌnˈsɛtl/

unsettle

動揺させる
Meaning
To disturb or make someone feel anxious or uneasy.
Example
The sudden news unsettled the entire community.
突然のニュースはコミュニティ全体を動揺させた。
B2 adjective /ʌnprəˈdʌk.tɪv/

Unproductive

非生産的; 効率が悪い
Meaning
not achieving much; not producing good results
Example
The meeting was unproductive and wasted everyone's time.
会議は非生産的で、全員の時間を無駄にしました。
C2 verb /ʌnˈjoʊk/

unyoke

束縛から解放する
Meaning
To release from a yoke or to free from restraint or obligation.
Example
The farmer unyoked the oxen after a long day of work.
農夫は長い労働の後に牛の首輪を外した。
B2 adverb juːˈnæn.ɪ.məs.li

unanimously

全会一致で
Meaning
With the agreement of all people involved; without opposition.
Example
The proposal was unanimously accepted.
提案は全会一致で受け入れられました。
B2 adverb /ˈɜːrdʒəntli/

urgently

緊急に
Meaning
in a way that requires immediate attention or action
Example
The patient urgently needs medical attention.
患者は緊急に医療処置が必要です。
C1 adjective /ʌnˈfɛtərd/

unfettered

自由な
Meaning
not restricted or confined; free
Example
The artist enjoyed unfettered freedom of expression.
アーティストは制限のない表現の自由を楽しんだ。
C1 adjective /ʌnˈskeɪðd/

unscathed

無傷
Meaning
Without suffering any injury, damage, or harm.
Example
She escaped from the accident unscathed.
彼女は事故から無傷で逃げ出した。
B1 adjective ʌnˈplænd

unplanned

計画外の
Meaning
Not planned or arranged in advance; happening spontaneously without preparation.
Example
Unplanned urbanization contributes to environmental issues.
計画外の都市化は環境問題に寄与する。
C1 adjective /ˌʌnsəˈfɪstɪˌkeɪtɪd/

unsophisticated

未洗練
Meaning
Lacking worldly experience, refinement, or complexity.
Example
The villagers led an unsophisticated but happy life.
村人たちは未洗練だが、幸せな生活を送っていた。
B1 adjective /ˈɜːrbən/

urban

都市的な
Meaning
related to, characteristic of, or situated in a city or town
Example
Urban areas often have higher population density than rural areas.
都市部は、農村部よりも人口密度が高いことがよくあります。
C1 adjective /ˌʌnˈɪntɪmeɪtɪŋ/

unintimating

示唆しない
Meaning
Not giving a hint or suggestion; not indicating.
Example
His unintimating tone gave no clue of his true feelings.
彼の示唆しない口調は彼の本当の気持ちを示すものではありませんでした。
B1 adjective /ʌnˈjuː.ʒu.əl/

Unusual

異常な; 奇妙な;
Meaning
not typical; strange; different from what is normal
Example
She wore an unusual dress to the party.
彼女はパーティーに異常なドレスを着ていた。
B2 verb /ˌʌndərˈteɪk/

undertake

引き受ける
Meaning
to commit to and begin a task or project; to take on responsibility
Example
She decided to undertake a challenging project.
彼女は挑戦的なプロジェクトを始めることに決めました。
C1 adjective ʌnˈwɔːr.rən.tɪd

unwarranted

不当な
Meaning
Not justified or necessary; without good reason.
Example
His anger toward the staff was completely unwarranted.
スタッフに対する彼の怒りは完全に不当でした。
C2 noun /ˈʌm.brə/

Umbra

完全な影、太陽黒点の暗い中心
Meaning
the fully shaded inner region of a shadow cast by an opaque object; the dark center of a sunspot
Example
During the eclipse, we stood in the moon's umbra.
日食の際、私たちは月のアンブラの中に立っていました。
B1 adjective /ʌnˈwel/

Unwell

体調不良; 病気
Meaning
not in good health; feeling sick or ill
Example
She has been feeling unwell since yesterday.
彼女は昨日から体調が悪い。
C2 adjective /ʌnˈtʃeɪst/

Unchaste

不道徳な; 不潔な;
Meaning
not celibate; having engaged in sexual relations; lacking moral purity
Example
The conservative society considered her behavior unchaste and improper.
保守的な社会は彼女の行動を不道徳で不適切だと考えた。
C1 adjective /ʌnˈmænɪdʒəbəl/

Unmanageable

管理できない; 手に負えない
Meaning
difficult or impossible to control or handle
Example
The large class became unmanageable without proper supervision.
適切な監視がなければ、大きなクラスは管理できなくなった。