hardy
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
C1 adjective /ˈhɑːrdi/

hardy

頑丈, 強健
Meaning
Strong, robust, and capable of enduring difficult conditions.
Example
Hardy plants can survive the harsh winter.
頑丈な植物は厳しい冬を生き抜くことができます。
C1 noun (plural) /ˈhɪntərlændz/

hinterlands

辺境地
Meaning
Plural of hinterland; remote or less developed regions.
Example
Explorers traveled deep into the hinterlands of the country.
探検家たちはその国の辺境地に深く旅しました。
C1 adverb /ˌhɛdˈfɜrst/

headfirst

頭から
Meaning
With the head leading; in a reckless or hasty manner.
Example
He dived headfirst into the pool.
彼は頭から飛び込んだ。
C1 noun ˈhʌz.bən.dri

husbandry

農業と畜産業
Meaning
The care, cultivation, and breeding of crops and animals; farming and agriculture.
Example
Proper husbandry techniques improve livestock health.
適切な農業技術が家畜の健康を向上させます。
C1 noun /haɪˈpɒtənjuːs/

hypotenuse

斜辺
Meaning
the longest side of a right-angled triangle, opposite the right angle.
Example
In a right triangle, the hypotenuse is always longer than the other two sides.
直角三角形では、斜辺は常に他の二辺より長いです。
C1 noun /ˈhɑː.stɪdʒ/

Hostage

人質
Meaning
a person seized or held as security for the fulfillment of a condition; captive
Example
The police negotiated carefully to secure the release of all hostages unharmed.
警察は慎重に交渉し、すべての人質を無傷で解放することを確保しました。
C1 noun /ˈhɒrəˌskoʊp/

horoscope

ホロスコープ
Meaning
A forecast of a person's future based on the positions of the stars and planets at their birth.
Example
She read her horoscope every morning to see what the stars predicted.
彼女は毎朝、自分のホロスコープを読んで、星が何を予測したかを確認していました。
C1 verb /hɜːrl/

hurl

Meaning
To throw something with great force.
Example
The boy hurled a stone into the river.
C1 noun /hɑːrp/

Harp

ハープ
Meaning
a large triangular musical instrument with strings that are plucked
Example
The angel played a beautiful melody on the harp.
天使はハープで美しいメロディーを奏でました。
C1 noun /ˈhʌbʌb/

hubbub

騒音
Meaning
a loud noise caused by a crowd of people talking or shouting
Example
There was a hubbub in the market as the sale began.
販売が始まると、市場で騒音が起こりました。
C1 adjective /hjuːˈmeɪn/

humane

人道的な
Meaning
Showing compassion or benevolence.
Example
The doctor provided humane treatment to the injured animals.
医者は怪我をした動物に人道的な治療を提供しました。
C1 adjective /ˈheɪ.zi/

Hazy

ぼんやりした; 曖昧な; ぼやけた
Meaning
covered with haze; unclear or vague; lacking clarity
Example
The mountain tops were hazy in the morning mist.
山の頂上は朝の霧の中でぼんやりしていました。
C1 noun /ˈhɔːrtɪˌkʌltʃər/

horticulture

Meaning
The art or practice of garden cultivation and management.
Example
Horticulture plays a vital role in producing fruits, vegetables, and ornamental plants.
C1 verb /hɔːrd/

hoard

蓄える
Meaning
to accumulate and hide away a large supply of something, often secretly
Example
During the crisis, many people began to hoard food and water.
危機の間、多くの人々が食べ物と水を蓄え始めました。
C1 noun /hʌl/

hull

船体 / 種の殻
Meaning
The outer covering of a seed or fruit; also the main body of a ship.
Example
The sailors inspected the ship’s hull for any damage.
船員たちは船体に損傷がないかを調べました。
C1 noun /həˌluː.sɪˈneɪ.ʃən/

Hallucination

幻覚; 実際には存在しないものを知覚すること
Meaning
an experience involving the apparent perception of something not present; a false or distorted perception
Example
The patient experienced visual hallucinations as a side effect of the medication.
患者は薬の副作用として視覚的な幻覚を経験しました。
C1 adjective /ˌhæpi ɡoʊ ˈlʌki/

happy-go-lucky

おおらかで、気楽な、無頓着な
Meaning
cheerfully unconcerned about the future; carefree
Example
She has a happy-go-lucky attitude and never worries about tomorrow.
彼女はハピゴーラッキーな態度を持っており、明日のことを心配することはありません。
C1 noun ˈhɛroʊˌɪzəm

heroism

英雄主義
Meaning
Great bravery; the qualities or attributes of a hero.
Example
The heroism of freedom fighters inspires the nation.
自由の戦士たちの英雄主義は国を鼓舞します。
C1 phrase ˌhjuː.məˈnɪt.ər.i.kəˈtæs.trə.fi

humanitarian catastrophe

人道的災害
Meaning
A widespread disaster affecting human life, health, and well-being on a large scale.
Example
The war created a humanitarian catastrophe.
戦争は人道的災害を引き起こした。
C1 noun ˌhaɪ.droʊˈpɒn.ɪks

hydroponics

水耕栽培
Meaning
Growing plants using nutrient-rich water instead of soil.
Example
Hydroponics allows crops to grow without soil.
ハイドロポニクスは土壌なしで作物が成長することを可能にします。
C1 adjective /ˌhɔːrtɪˈkʌltʃərəl/

horticultural

園芸に関連する
Meaning
Relating to the art or practice of garden cultivation and management.
Example
She studied horticultural science at the university.
彼女は大学で園芸学を学びました。
C1 noun /ˈhaɪdəweɪ/

hideaway

隠れ家
Meaning
A place used as a retreat or a place to hide.
Example
The cabin in the woods was their secret hideaway.
森の中の小屋は彼らの秘密の隠れ家だった。
C1 adverb /ˈhɛdˌlɔŋ/

headlong

無鉄砲に
Meaning
With the head leading; in a rush or without thinking.
Example
She rushed headlong into the new project.
彼女は無鉄砲に新しいプロジェクトに飛び込んだ。
C1 noun /ˈhɔːl.mɑːrk/

hallmark

象徴的な特徴
Meaning
a typical characteristic or feature of someone or something
Example
Honesty is the hallmark of a good leader.
誠実さは良いリーダーの象徴的な特徴です。
C1 adjective /ˈhæloʊd/

hallowed

神聖
Meaning
regarded as holy or greatly respected
Example
They walked across the hallowed halls of the old university.
彼らは古い大学の神聖な廊下を歩いた。
C1 adjective /ˈhær.oʊ.ɪŋ/

harrowing

恐ろしいと苦しみを伴う
Meaning
extremely distressing or upsetting
Example
It was a harrowing experience to witness the accident.
事故を目撃することは恐ろしい経験だった。
C1 noun/verb /hɛm/

hem

布の裾
Meaning
the edge of a piece of cloth that is folded and sewn; to fold and sew the edge of cloth
Example
She hemmed the dress to make it shorter.
彼女はドレスを短くするためにヘムドしました。
C1 noun /ˈhaɪ.nəs/

Highness

高貴さ; 王室のタイトル
Meaning
a title given to a person of royal rank; the quality or state of being high or elevated
Example
Your Highness, the royal carriage is ready to take you to the state banquet this evening.
殿下、王室の車は今晩の国宴にあなたをお連れする準備ができています。
C1 noun /ˈhɔː.kər/

Hawker

屋台販売者
Meaning
a person who travels about selling goods, typically from door to door or on the street
Example
The hawker sold fresh fruits from his cart.
屋台販売者は彼のカートから新鮮な果物を売っていた。
C1 noun /ˈhɛksəˌɡɒn/

hexagon

六角形
Meaning
A six-sided polygon.
Example
A honeycomb cell is shaped like a hexagon.
蜂の巣のセルは六角形をしている。
C1 noun /ˈheəˌkʌtər/

haircutter

理髪師
Meaning
a person whose job is to cut and style hair; barber or hairdresser
Example
The haircutter gave me a neat and stylish haircut.
理髪師がきれいに髪を切ってくれた。
C1 noun /ˈhɜːrniə/

hernia

ヘルニア
Meaning
A medical condition where an organ pushes through the muscle or tissue holding it in place.
Example
The doctor diagnosed him with an inguinal hernia.
医者は彼に鼠径ヘルニアと診断しました。
C1 adjective /hɪpˈnɒtɪk/

hypnotic

催眠的な
Meaning
Producing sleep or a trance-like state; mesmerizing.
Example
The music had a hypnotic effect on the audience.
その音楽は聴衆に催眠的な効果を与えました。
C1 noun ˌhaɪ.pɚˈten.ʃən

hypertension

高血圧
Meaning
Abnormally high blood pressure.
Example
High sodium intake leads to hypertension.
高ナトリウム摂取は高血圧を引き起こします。
C1 noun /ˈhɑː.mə.nɪm/

homonym

同義語
Meaning
A word that is spelled and pronounced like another word but has a different meaning.
Example
The word 'bat' is a homonym because it can mean an animal or a sports tool.
'コウモリ'という言葉は、動物またはスポーツ用品を意味することができるため、同義語です。
C1 noun /hjuːˈmɪl.ɪ.ti/

humility

Meaning
The quality of having a modest or low view of one's importance.
Example
She accepted the award with grace and humility.
C1 adjective /həˈmɑː.dʒə.nəs/

homogenous

同質の
Meaning
Similar or uniform in nature; often used interchangeably with 'homogeneous'.
Example
The class was made up of a homogenous group of students.
クラスは同質の学生グループで構成されていました。
C1 verb /hɔːl/

haul

引っ張る
Meaning
to pull or drag something heavy with effort
Example
The workers hauled the boxes into the truck.
作業員たちは箱をトラックに引きずり込んだ。
C1 verb /ˈhæɡəl/

haggle

値切る
Meaning
to argue about the price; to bargain persistently
Example
They haggled over the price for an hour.
彼らは価格のことで1時間も値引き交渉をした。
C1 noun /ˈhɛzɪtənsi/

hesitancy

ためらい
Meaning
The tendency to pause or delay due to uncertainty or fear.
Example
His hesitancy in answering made everyone doubt his confidence.
彼の答えに対するためらいは、誰もが彼の自信に疑問を抱かせました。
C1 verb ˈhɪndər

hinder

妨げる
Meaning
To obstruct or delay the progress of something
Example
Excessive rain hinders vegetable growth.
過剰な雨は野菜の成長を妨げます。
C1 noun /ˈhæŋ.ər/

Hangar

ハンガー
Meaning
a large building with extensive floor area, typically for housing aircraft; an aircraft shelter
Example
The airplane was stored safely in the hangar during the severe thunderstorm.
飛行機は激しい雷雨の間、安全にハンガーに保管されていました。
C1 noun /ˈɛər.luːm/

heirloom

遺産
Meaning
a valuable object that has belonged to a family for several generations
Example
The ring is a family heirloom passed down from her grandmother.
その指輪は祖母から受け継がれた家族の遺産です。
C1 verb /həˈluːsɪneɪt/

hallucinate

幻覚を見る
Meaning
to see, hear, or sense things that are not actually present, often due to illness or drugs
Example
After taking the medicine, he began to hallucinate strange shapes.
薬を飲んだ後、彼は奇妙な形をハルシネイトし始めた。
C1 adjective /ˌhɒməˈdʒiːniəs/

homogeneous

均一な、同質な
Meaning
Of the same kind; alike.
Example
The team was not homogeneous in their skills.
チームはそのスキルにおいて均一ではなかった。
C1 noun /hɔːrd/

horde

群衆
Meaning
A large group or crowd, especially one that is disorderly or difficult to control.
Example
A horde of fans gathered outside the stadium.
スタジアムの外でファンの群衆が集まりました。
C1 noun /ˈhiːdəˌnɪzəm/

hedonism

快楽主義
Meaning
The pursuit of pleasure and self-indulgence as the highest goal.
Example
The lifestyle of the rich is often criticized as pure hedonism.
金持ちのライフスタイルはしばしば純粋な快楽主義として批判されます。
C1 noun /hɪm/

hymn

Meaning
A religious song or poem of praise to God or a deity.
Example
The congregation sang a hymn during the morning service.
C1 noun ˌhaɪ.drəˈlɒdʒ.ɪ.kəl ˈsaɪ.kəl

hydrological cycle

水文循環
Meaning
The cycle of processes by which water circulates between the earth's oceans, atmosphere, and land.
Example
The hydrological cycle ensures continuous water movement in nature.
水文循環は自然界での水の連続的な動きを保証します。
C1 noun /ˈhɪr.seɪ/

Hearsay

噂
Meaning
information received from other people that one cannot adequately substantiate; rumor
Example
The accusations were based on hearsay rather than concrete evidence or eyewitness testimony.
その告発は、具体的な証拠や目撃者の証言ではなく、噂に基づいていました。
C1 adjective /ˈhiːdləs/

heedless

無頓着
Meaning
showing a reckless lack of care or attention
Example
He drove with heedless disregard for the rules.
彼はルールを無視して運転した。
C1 verb /ˈhaɪbərˌneɪt/

hibernate

冬眠する
Meaning
To spend the winter in a dormant state, as some animals do.
Example
Bears hibernate in caves during the winter.
クマは冬に洞窟で冬眠します。
C1 noun ˈhaɪ.drə.dʒən ˈpaʊ.əd bʌsɪz

hydrogen-powered buses

水素バス
Meaning
Buses powered by hydrogen fuel cells that produce only water vapor as emission.
Example
Hydrogen-powered buses reduce air pollution.
水素バスは大気汚染を減らします。
C1 adjective /ˈheɪt.fəl/

Hateful

憎しみの
Meaning
causing or deserving hatred; extremely unpleasant or offensive
Example
His hateful comments hurt everyone's feelings.
彼の憎しみを込めたコメントは皆の感情を傷つけました。
C1 verb /ˈhjuːmənaɪz/

humanize

人間化する
Meaning
To make something more humane, kind, or relatable.
Example
The teacher tried to humanize the lesson with personal stories.
教師は個人的な物語を使ってレッスンを人間化しようとしました。
C1 noun /ˌhɑːmənaɪˈzeɪʃən/

harmonization

調和、統一
Meaning
The process of making things compatible or consistent with one another.
Example
The harmonization of different policies ensures consistent results.
異なる方針の調和は一貫した結果を保証します。
C1 adjective ˌhaɪ.pəˈθet.ɪ.kəl

hypothetical

仮定的, 想定的, 理論的
Meaning
Based on or serving as a hypothesis; supposed but not necessarily real or true.
Example
The discussion was based on hypothetical scenarios.
議論は仮定的なシナリオに基づいていました。
C1 adjective /ˌhɛtərəˈʤiːniəs/

heterogeneous

異種の
Meaning
consisting of different kinds or diverse elements
Example
The classroom was filled with a heterogeneous group of students.
教室は異種の学生のグループでいっぱいだった。
C1 noun /ˈhɜːrbɪsaɪd/

herbicide

除草剤
Meaning
A chemical substance used to kill unwanted plants, especially weeds.
Example
Farmers used herbicide to protect their crops from invasive weeds.
農家は侵入する雑草から作物を守るために除草剤を使用しました。
C1 adjective /hɔːrs/

Hoarse

しゃがれ声; 叫びすぎや病気でしゃがれる
Meaning
rough or harsh in sound; having a rough voice from shouting or illness
Example
His voice became hoarse after shouting at the concert.
コンサートで叫んだ後、彼の声はしゃがれた。
C1 noun /ˈhɒməˌfoʊn/

homophone

同音異義語
Meaning
A word that is pronounced the same as another word but differs in meaning, and often spelling.
Example
The words 'pair' and 'pear' are homophones.
「pair」と「pear」の単語は同音異義語です。
C1 noun /ˌhaɪ.roʊˈɡlɪf.ɪks/

hieroglyphics

ヒエログリフ
Meaning
a system of writing using pictures or symbols, used especially by ancient Egyptians
Example
The tomb walls were covered with Egyptian hieroglyphics.
墓の壁にはエジプトのヒエログリフが刻まれていた。
C1 noun /ˈhæm.lət/

Hamlet

小さな村
Meaning
a small rural settlement, smaller than a village; a small community
Example
The tiny hamlet nestled in the valley had only a dozen houses and one small church.
谷間にある小さな村には、家が12軒と小さな教会が1つだけあった。
C1 verb /hoʊn/

hone

研ぐ、スキルを磨く
Meaning
To sharpen a blade or to improve a skill through practice.
Example
She honed her presentation skills before the big meeting.
彼女は大きな会議の前にプレゼンテーションスキルを磨きました。
C1 noun /haɪˈpɜːrbəli/

hyperbole

誇張法
Meaning
Exaggerated statements or claims not meant to be taken literally.
Example
Saying 'I’m so hungry I could eat a horse' is a classic example of hyperbole.
'私は馬を食べることができるほどお腹がすいている' は誇張法の典型的な例です。
C1 adjective /ˈhæb.ɪ.tə.bəl/

Habitable

居住可能
Meaning
suitable or good enough to live in
Example
The planet Mars may become habitable in the future.
火星は将来、居住可能になるかもしれません。
C1 noun /hjuː/

hue

色合い
Meaning
A color or shade.
Example
The artist chose a soft blue hue for the background.
アーティストは背景のために柔らかい青い色合いを選びました。
C1 verb /hjuːˈmɪlieɪt/

humiliate

侮辱する
Meaning
to make someone feel ashamed or foolish by injuring their dignity
Example
He was humiliated by his public failure.
彼は公の失敗で侮辱された。
C1 noun/verb /ˈhɛrəld/

herald

先駆者
Meaning
A person or thing that announces or signals the approach of something; to announce or signal.
Example
The blooming flowers herald the arrival of spring.
咲いた花々は春の到来を告げます。
C1 noun /ˈhɑː.mɪdʒ/

Homage

敬意; 尊敬; 追悼
Meaning
special honor or respect shown publicly; tribute paid to someone in recognition of their merit
Example
The memorial service was a touching homage to the brave soldiers who sacrificed their lives.
追悼式は、命を捧げた勇敢な兵士たちへの感動的な敬意でした。
C1 noun /ˈhɛrətɪk/

heretic

異端者
Meaning
a person who holds beliefs that go against established religious teachings or accepted beliefs.
Example
The church declared him a heretic for his radical ideas.
教会は彼の過激なアイデアのために彼を異端者と宣言した。
C1 verb /ˈhæmpər/

hamper

妨げる
Meaning
to hinder or impede the movement or progress of
Example
The heavy rain hampered our travel plans.
強い雨が私たちの旅行計画を妨げました。
C1 noun /ˈhɛrəsi/

heresy

異端
Meaning
belief or opinion that goes against established religious doctrine or accepted beliefs.
Example
In medieval times, heresy was often punished severely.
中世では、異端はしばしば厳しく罰せられました。
C1 adjective /ˈhɔːltɪŋ/

halting

ためらい
Meaning
slow and hesitant, especially due to lack of confidence
Example
She gave a halting reply during the interview.
彼女は面接中にためらいながら答えました。
C1 noun /ˈhɒl.ə.kɔːst/

holocaust

ホロコースト
Meaning
A large-scale destruction, especially by fire; historically, the genocide of Jews during World War II.
Example
Millions of people perished during the Holocaust.
ホロコースト中に何百万もの人々が命を落としました。
C1 verb /ˈhaɪdʒæk/

hijack

ハイジャック
Meaning
to take control of a vehicle or situation illegally or by force
Example
The criminals attempted to hijack the airplane.
犯罪者たちは飛行機をハイジャックしようとした。
C1 noun /hɪˈpɑː.krə.si/

Hypocrisy

偽善
Meaning
the practice of claiming to have moral standards that one does not actually possess; insincerity
Example
His hypocrisy was exposed when he criticized others for the same mistakes he had made.
彼が自分の犯した同じ過ちを他人を非難したとき、偽善が露呈した。
C1 adjective /haɪˈdrɔːlɪk/

hydraulic

油圧の
Meaning
operated by the pressure of liquid, especially water or oil
Example
The mechanic repaired the hydraulic system of the machine.
機械工は機械の油圧システムを修理しました。
C1 adjective /hɜːrˈbɪv.ər.əs/

Herbivorous

草食性
Meaning
feeding on plants; plant-eating
Example
Cows are herbivorous animals that graze on grass.
牛は草食性の動物で、草を食べる。
C1 noun /ˈheɪl.stɔːrm/

Hailstorm

ひょうの嵐
Meaning
a violent storm with hail falling from the sky
Example
The hailstorm damaged many cars in the parking lot.
ヘイルストームは駐車場の多くの車に損害を与えました。
C1 noun /helm/

Helm

舵
Meaning
a tiller or wheel for steering a ship or boat; a position of leadership or control
Example
The experienced captain took the helm and expertly navigated the ship through the storm.
経験豊富な船長は舵を取って、嵐の中で巧みに船を操縦しました。
C1 adjective /ˈhɪd.i.əs/

Hideous

ひどい; 醜い; 恐ろしい
Meaning
extremely ugly or unpleasant; causing shock or disgust
Example
The monster in the movie had a hideous appearance.
映画のモンスターはひどい外見をしていました。
C1 adjective /ˈheɪ.nəs/

Heinous

凶悪
Meaning
extremely wicked or evil; abominable; morally reprehensible
Example
The heinous crime shocked the entire community.
その凶悪な犯罪はコミュニティ全体を衝撃を与えた。
C1 verb /ˈheɪsən/

hasten

急ぐ
Meaning
To move or act quickly; to cause something to happen sooner.
Example
He hastened to finish his work before the deadline.
彼は締め切り前に仕事を終わらせるために急いだ。
C1 adjective /həˈbɪtʃuəl/

habitual

習慣的な
Meaning
Done or doing constantly or as a habit; customary.
Example
He was a habitual latecomer to class.
彼は授業に習慣的に遅刻していた。
C1 adjective /ˈhɑːrtˌrɛndɪŋ/

heartrending

胸が張り裂けるような
Meaning
Causing great sadness or distress; very moving emotionally.
Example
The documentary showed heartrending scenes of war victims.
ドキュメンタリーは戦争の犠牲者たちの胸が張り裂けるような場面を見せました。
C1 adjective /ˌhaɪ.drəˈpɒn.ɪk/

hydroponic

ハイドロポニック
Meaning
Relating to the process of growing plants in sand, gravel, or liquid, with added nutrients but without soil.
Example
Hydroponic farming allows crops to grow without soil.
水耕栽培は、土なしで作物を育てることを可能にします。
C1 adjective /ˈhɛdˌstrɔŋ/

headstrong

頑固
Meaning
Determined to do what one wants, even if it is not sensible.
Example
The headstrong child refused to listen to anyone.
頑固な子供は誰の話も聞こうとしませんでした。
C1 noun /ˈhæv.ək/

Havoc

広範囲の破壊; 大きな混乱や無秩序; カオス
Meaning
widespread destruction; great confusion or disorder; chaos
Example
The hurricane wreaked havoc on the coastal towns, destroying homes and businesses.
ハリケーンは沿岸の町で大規模な破壊を引き起こし、家屋やビジネスを破壊しました。
C1 adverb /ˈheɪs.tɪ.li/

Hastily

急いで
Meaning
in a hurried or rushed manner; quickly and carelessly
Example
She hastily packed her bags before leaving for the airport.
彼女は空港に行く前に急いでバッグを詰めた。
C1 adjective /ˌhaɪəˈrɑː.kɪ.kəl/

hierarchical

階層的な
Meaning
arranged in order of rank or authority
Example
The company has a strict hierarchical structure.
その会社には厳格な階層構造があります。
C1 adverb /ˈhed ɑn/

Head-on

正面衝突
Meaning
directly facing; in direct confrontation or collision
Example
The two cars collided head-on at the intersection.
二台の車は交差点で正面衝突しました。
C1 noun /ˈhɛzɪtəns/

hesitance

ためらい
Meaning
The quality or state of being reluctant or uncertain.
Example
Her hesitance to speak up delayed the decision.
彼女のためらいは決定を遅らせました。
C1 noun /ˈhɪpnətɪzəm/

hypnotism

催眠術
Meaning
The practice or act of inducing hypnosis.
Example
He studied hypnotism as part of his psychology degree.
彼は心理学の学位の一環として催眠術を学びました。
C1 noun /ˈhɪntərlænd/

hinterland

内陸地域
Meaning
The remote or less developed areas away from the coast or a city.
Example
The farmers came from the rural hinterland to sell their produce in the city.
農民たちは地方の内陸地域から来て、都市で自分たちの農産物を販売しました。
C1 noun /ˈheɪˌdeɪ/

heyday

黄金時代
Meaning
The period of greatest success, popularity, or power.
Example
In its heyday, the company dominated the market.
その黄金時代に、会社は市場を支配していました。
C1 noun /ˈheɪvən/

haven

避難所
Meaning
a safe place or shelter
Example
The library became a haven for students during exams.
試験中、図書館は学生たちの避難所となった。
C1 noun /ˈhaɪbrɪd/

hybrid

ハイブリッド
Meaning
a mixture of two different things, often combining the best qualities of both
Example
The car is a hybrid that runs on both electricity and fuel.
その車は電気と燃料の両方で走るハイブリッド車です。
C1 adverb/noun /ˌhɪərˈæftər/

hereafter

これから / 来世
Meaning
from now on; in the future; also refers to life after death.
Example
Hereafter, all reports must be submitted electronically.
これからは、すべての報告書は電子的に提出しなければならない。
C1 noun /haɪˈpɒθəsɪs/

hypothesis

Meaning
a proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Example
The scientist tested her hypothesis through multiple experiments.
C1 noun /ˈhɪp.ə.krɪt/

Hypocrite

偽善者; 嘘つき; 偽りの人
Meaning
a person who acts in contradiction to their stated beliefs or feelings; a pretender
Example
Don't be a hypocrite by demanding honesty from others while lying yourself.
他人に誠実を求めて自分は嘘をつくのは偽善者だ。
C1 verb /ˈhɪpnətaɪz/

hypnotize

催眠術をかける
Meaning
to put someone into a state of hypnosis; to influence someone's mind deeply
Example
The magician tried to hypnotize the audience.
マジシャンは観客をヒプノタイズしようとした。
C1 noun ˈhɪn.drəns

hindrance

障害
Meaning
Something that creates difficulties or delays in progress.
Example
Lack of funds was a major hindrance to the project.
資金不足はプロジェクトの大きな障害でした。
C1 adjective /həˈred.ɪ.ter.i/

Hereditary

遺伝的; 先祖から受け継がれた
Meaning
passed down through family genes; inherited from ancestors
Example
The hereditary disease was passed down through generations.
遺伝性疾患は世代を超えて受け継がれました。
C1 adjective /ˌhæpˈhæz.ɚd/

haphazard

無秩序
Meaning
Lacking any obvious principle of organization; random.
Example
His haphazard approach led to project failure.
彼の無秩序なアプローチはプロジェクトの失敗を引き起こした。
C1 noun /ˈhjuːbrɪs/

hubris

傲慢
Meaning
excessive pride or self-confidence
Example
His hubris led to his downfall.
彼の傲慢が彼の没落を引き起こした。
C1 noun /ˈhaɪ.drəʊˌpaʊər ˌdʒen.əˈreɪ.ʃən/

hydropower generation

水力発電
Meaning
The production of electrical power through the use of the gravitational force of falling or flowing water.
Example
Hydropower generation promotes green energy.
水力発電はグリーンエネルギーを促進します。
C1 adverb /ˈhʌŋ.ɡrə.li/

Hungrily

空腹で; 欲張って; 熱心に
Meaning
in a way that shows hunger; greedily; eagerly
Example
The dog ate hungrily after not eating for hours.
犬は数時間食べていなかった後、空腹で食べました。
C1 noun /hoʊks/

Hoax

いたずら; だまし; ハッタリ
Meaning
a humorous or malicious deception; something intended to trick or deceive people
Example
The news about aliens landing turned out to be an elaborate hoax created by pranksters.
エイリアンの着陸に関するニュースは、いたずら好きな人たちによって作られた精巧なジョークだったことが判明した。
C1 adjective /ˈhæk.nid/

hackneyed

使い古された
Meaning
Used too often and therefore lacking originality or freshness.
Example
The speech was filled with hackneyed phrases that failed to inspire the audience.
そのスピーチは使い古されたフレーズでいっぱいで、聴衆を鼓舞することはなかった。
C1 noun /ˈhaɪndsaɪt/

hindsight

後知恵
Meaning
Understanding of a situation only after it has happened.
Example
With the benefit of hindsight, we realized the decision was a mistake.
後知恵で、私たちはその決断が間違いだったことに気づきました。
C1 adverb /ˈhɒtli/

hotly

激しく
Meaning
in an intense, angry, or passionate way
Example
She hotly denied the accusations.
彼女はその告発を激しく否定した。
C1 noun /ˈhed.weɪ/

Headway

進展; 前進; 発展
Meaning
forward movement or progress, especially when this is slow or difficult
Example
Despite the challenges, the research team made significant headway in developing the new vaccine.
挑戦にもかかわらず、研究チームは新しいワクチンの開発において重要な進展を遂げました。
C1 noun /hɪpˈnoʊsɪs/

hypnosis

ヒプノシス
Meaning
A trance-like state of consciousness usually induced by suggestion.
Example
She underwent hypnosis to overcome her fear of flying.
彼女は飛行機恐怖症を克服するためにヒプノシスを受けました。
C1 noun /ˈhɑː.mɪ.saɪd/

Homicide

殺人
Meaning
the deliberate and unlawful killing of one person by another; murder
Example
The detective was assigned to investigate the homicide that occurred downtown last night.
探偵は昨晩市内で発生した殺人事件の調査を担当しました。
C1 noun /hɪˈstɪəriə/

hysteria

Meaning
An uncontrollable outburst of emotion or fear, often characterized by irrational behavior.
Example
The crowd was in a state of hysteria during the concert.
C1 noun /ˈhiːdənɪst/

hedonist

快楽主義者
Meaning
A person who believes that the pursuit of pleasure is the most important thing in life.
Example
She was called a hedonist because she always prioritized enjoyment over duty.
彼女は常に義務よりも楽しみを優先していたため、快楽主義者と呼ばれました。
C1 noun /ˈhɔːr.nət/

Hornet

スズメバチ
Meaning
a large wasp that can sting and is often aggressive
Example
The hornet built its nest under the roof.
スズメバチは屋根の下に巣を作った。
C1 adjective /ˌhaɪdroʊɪˈlɛktrɪk/

hydroelectric

水力発電
Meaning
Relating to or denoting the generation of electricity using flowing water.
Example
The country invested heavily in hydroelectric power plants.
その国は水力発電所に多額の投資をしました。
C1 adjective /ˌhɪpəˈkrɪtɪkəl/

Hypocritical

偽善的な
Meaning
behaving in a way that contradicts one's stated beliefs or values
Example
It's hypocritical to preach honesty while lying yourself.
嘘をつきながら正直を説くのは偽善的です。
C1 adjective /ˈhæpləs/

hapless

不運な, 不幸な
Meaning
unfortunate, unlucky, deserving pity
Example
The hapless traveler lost his passport on the very first day.
不運な旅行者は、初日にパスポートを失くしました。