B1 adjective /ʌnɪmˈplɔɪd/

Unemployed

失業中

Meaning

without a job; not having paid work

Example

He has been unemployed for six months now.

彼はすでに6ヶ月間失業しています。

B1 verb /ʌnˈpæk/

unpack

荷解きする

Meaning

to remove items from a container; to explain or analyze something in detail

Example

After arriving home, she began to unpack her suitcase.

家に着いた後、彼女はスーツケースの荷解きを始めた。

B1 adjective /ʌnˈlaɪk/

Unlike

異なる; 類似していない

Meaning

different from; not similar to

Example

Unlike his brother, he prefers quiet activities.

彼の兄とは異なり、彼は静かな活動を好む。

B1 adjective /ˌʌnɪmˈpɔːrtənt/

unimportant

重要でない

Meaning

not having much value, significance, or influence

Example

The detail seemed unimportant compared to the main issue.

その詳細は主要な問題と比べて重要でないように思えた。

B1 noun /ˈjuːnɪvɜːrs/

Universe

宇宙

Meaning

all existing matter and space; the cosmos

Example

Scientists study the universe to understand its mysteries.

科学者たちは宇宙の謎を解明するために研究しています。

B1 noun /ˈjuːs.fəl.nəs/

Usefulness

有用性

Meaning

the quality of being useful; practical value or helpfulness

Example

The usefulness of this tool became apparent during the project.

このツールの有用性はプロジェクト中に明らかになりました。

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。

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。

B1 adjective /ˈʌpˌkʌmɪŋ/

upcoming

今後の

Meaning

about to happen or appear

Example

The upcoming event will be held next week.

今後のイベントは来週行われます。

B1 adjective /ʌnˈʃʊr/

unsure

不確かな

Meaning

not certain or confident; feeling doubt

Example

She felt unsure about the decision.

彼女はその決定について不確かだった。

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。

B1 adverb /ʌnˈfɔːrtʃənətli/

Unfortunately

残念ながら

Meaning

used to express regret or disappointment about something

Example

Unfortunately, the weather was bad for our picnic.

残念ながら、私たちのピクニックには天気が悪かった。

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。

B1 adjective /juːˈnaɪtɪd/

United

団結した; 一緒に; 同意した

Meaning

joined together for a common purpose; in agreement

Example

The team was united in their goal to win.

チームは勝利を目指して団結していた。

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。

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。

B1 adjective /ʌnˈklɪər/

unclear

不明確

Meaning

not easy to understand; vague or ambiguous

Example

The instructions were unclear, so I asked for clarification.

指示が不明確だったので、私は説明を求めました。

B1 noun /ʌnˈhæp.i.nəs/

unhappiness

不幸

Meaning

the state of being unhappy; sadness or dissatisfaction

Example

Her constant unhappiness affected everyone around her.

彼女の絶え間ない不幸は周囲の人々に影響を与えた。

B1 verb /juˈnaɪt/

unite

団結する

Meaning

to join together or combine; to bring people or things together

Example

The crisis helped unite the community.

危機はコミュニティを団結させる手助けをした。

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。

B1 adjective /ʌnˈwɒn.tɪd/

Unwanted

望まれない

Meaning

not desired or welcome; not wanted

Example

He felt like an unwanted guest at the meeting.

彼は会議で望まれない客のように感じた。

B1 preposition, adverb, adjective /ˌʌndərˈniːθ/

underneath

下に、下側に

Meaning

Located directly below or beneath something

Example

The keys were hidden underneath the pile of papers.

鍵は紙の山の下に隠されていました。

B1 adjective /ˌʌnˈpeɪd/

Unpaid

無給の; 支払いなし

Meaning

not paid for; without payment or salary

Example

She worked as an unpaid intern for six months.

彼女は無給のインターンとして6ヶ月間働きました。

B1 adjective /ˈʌpər/

upper

上部

Meaning

higher in position or rank

Example

The upper floor of the building is under renovation.

建物の上の階は改装中です。

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。

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。

B1 adjective /ʌnˈseɪf/

Unsafe

危険な; 危ない;

Meaning

involving or causing danger or risk; not protected from harm

Example

It is unsafe to walk alone in this neighborhood at night.

この地域では夜間に一人で歩くのは危険です。

B1 adjective /ˈjuːnɪfɔːrm/

Uniform

制服

Meaning

consistent; identical; standardized

Example

All students must wear a uniform to school.

すべての学生は学校で制服を着なければなりません。

B1 verb /ˈʌpˌɡreɪd/

upgrade

アップグレード

Meaning

to raise something to a higher standard, improve

Example

We decided to upgrade the software to the latest version.

私たちはソフトウェアを最新バージョンにアップグレードすることに決めました。

B1 adjective /ʌnˈnesəseri/

Unnecessary

不必要な; 無駄な

Meaning

not needed; not required; pointless

Example

The meeting was unnecessary since all decisions were already made.

その会議は必要ありませんでした、すべての決定はすでに下されていました。

B1 adjective /ʌnˈjuzd/

Unused

未使用の; 使われていない

Meaning

not being used; not having been used before

Example

There are many unused rooms in this old mansion.

この古い館には未使用の部屋がたくさんあります。

B1 adjective /ʌnˈlaɪkli/

Unlikely

ありそうにない; 予想外の

Meaning

not likely to happen; improbable

Example

It's unlikely to rain today with such clear skies.

こんなに晴れた空では、今日は雨が降る可能性は低い。

B1 adjective /ˌʌnˈɪntrəstɪŋ/

uninteresting

つまらない

Meaning

not holding attention or curiosity; boring

Example

The lecture was uninteresting and difficult to stay focused on.

その講義はつまらなく、集中するのが難しかった。

B1 adjective /ʌnˈtru/

Untrue

嘘の; 間違った

Meaning

not true; false; incorrect

Example

His statement about the incident was completely untrue.

彼の事件に関する声明は完全に嘘でした。

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。

B1 adjective /ʌnˈplɛz.ənt/

Unpleasant

不快な

Meaning

not giving or causing pleasure; disagreeable

Example

The medicine had an unpleasant taste.

その薬は不快な味がしました。

B1 adjective /ʌnˈfɔːr.tʃən.ət/

Unfortunate

不運な; 残念な

Meaning

having bad luck; regrettable or unlucky

Example

It was unfortunate that the meeting was cancelled at the last minute.

会議が最後の瞬間にキャンセルされたのは不運でした。

B1 adjective /ˌʌnɪkˈspektɪd/

Unexpected

予想外の; 驚くべき

Meaning

not expected or anticipated; surprising

Example

The unexpected news left everyone speechless.

予想外のニュースは、皆を言葉を失わせた。

B1 adjective /ʌnˈkʊkt/

uncooked

生の

Meaning

Not cooked; in a raw state.

Example

Eating uncooked meat can be dangerous.

生肉を食べるのは危険です。

B1 adjective /ʌnˈpɒpjʊlə/

unpopular

不人気な

Meaning

not liked or supported by many people

Example

The decision was unpopular with the public.

その決定は世間で不人気だった。

B1 adjective /ʌnˈkaʊntəbəl/

Uncountable

数えきれない; 無限の

Meaning

too many to be counted; innumerable; infinite in quantity

Example

There are uncountable stars in the night sky.

夜空には無数の星があります。

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。

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。

B1 adjective /ʌnˈfeər/

Unfair

不公平; 不正;

Meaning

not right or just; treating people in a way that favors some over others

Example

It's unfair to blame her for something she didn't do.

それは彼女がやっていないことを責めるのは不公平です。

B1 adjective /ˌʌnsəkˈsesfl/

Unsuccessful

失敗した; 成功しなかった;

Meaning

not achieving desired aims or results; failing to accomplish a purpose

Example

His unsuccessful attempt to climb the mountain left him disappointed.

彼の失敗した山登りの試みは彼を失望させた。

B1 adjective /juːˈniːk/

Unique

ユニーク; 独特; 珍しい

Meaning

being the only one of its kind; unlike anything else

Example

Every snowflake is unique in its pattern.

すべての雪片はそのパターンでユニークです。

B1 adjective /ʌnˈkaɪnd/

Unkind

無愛想; 不親切

Meaning

cruel; not nice or caring toward others

Example

It was unkind of him to make fun of her appearance.

彼が彼女の外見をからかうのは不親切だった。

B1 noun /juːˈten.səlz/

Utensils

食器

Meaning

tools or implements used for cooking, eating, or serving food

Example

Please wash all the cooking utensils after preparing dinner.

ディナーを準備した後、すべての料理用具を洗ってください。

B1 adjective /ˌʌnbɪˈliːvəbəl/

Unbelievable

信じられない

Meaning

impossible to believe; extremely surprising or remarkable

Example

The magician's performance was absolutely unbelievable.

魔法使いのパフォーマンスは絶対に信じられなかった。

B1 verb /ʌnˈlɒk/

unlock

解錠する

Meaning

to open something that is locked; to make something accessible or available

Example

She used the key to unlock the door.

彼女は鍵を使ってドアを解錠した。

B1 adjective /ʌnˈnoʊn/

Unknown

未知

Meaning

not known or identified; unfamiliar

Example

The author of this letter remains unknown.

この手紙の著者は不明のままです。

B1 noun /ˈjuːnjən/

Union

連合

Meaning

the action of joining or combining; a political unit formed from separate states

Example

The union of the two companies created a powerful corporation.

二つの企業の連携が強力な企業を作り出しました。

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。

B1 adverb /ʌnˈjuːʒuəli/

unusually

異常に

Meaning

in a way that is not typical or expected; to an uncommon degree

Example

It was unusually cold for this time of year.

この時期にしては異常に寒かった。

B1 adjective /ʌnˈfrɛndli/

unfriendly

不親切な

Meaning

not kind or welcoming; hostile or cold in behavior or attitude

Example

The shop owner seemed unfriendly to new customers.

店のオーナーは新しい客に不親切なようだった。