hypothesis
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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.
A1 noun /ˈhʌzbənd/

husband

夫
Meaning
A married man regarded in relation to his spouse.
Example
Her husband is very supportive of her career.
彼女の夫は彼女のキャリアを非常に支援しています。
B2 noun /ˌhɑː.spɪˈtæl.ə.ti/

Hospitality

ホスピタリティ
Meaning
the friendly and generous reception and entertainment of guests or strangers
Example
The hotel staff's exceptional hospitality made our vacation truly memorable and enjoyable.
ホテルスタッフの素晴らしいホスピタリティが私たちの休暇を本当に思い出深く、楽しいものにしました。
B2 noun /ˈhɔːrmoʊn/

hormone

ホルモン
Meaning
a chemical substance produced in the body that influences how the body grows or functions
Example
Insulin is a hormone that controls blood sugar levels.
インスリンは血糖値をコントロールするホルモンです。
C2 verb /ˈhɑːrkən/

hearken

注意深く聞く
Meaning
To listen attentively; to give heed.
Example
He would hearken to his mentor’s advice before making decisions.
彼は意思決定を下す前に、メンターのアドバイスに耳を傾けた。
C2 verb (past tense, past participle), adjective /ˈhæmstrʌŋ/

hamstrung

無力または制限された
Meaning
crippled or severely restricted in movement or progress.
Example
The team was hamstrung by lack of resources.
チームはリソース不足で制約を受けていた。
A2 noun ˈhɪrəʊ

hero

英雄
Meaning
A person who is admired or idealized for courage, outstanding achievements, or noble qualities.
Example
Sydney Carton becomes the ultimate hero through his sacrifice.
シドニー・カートンは彼の犠牲によって究極のヒーローになります。
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。
B1 noun/verb /hɪnt/

hint

ヒント
Meaning
a small piece of advice or suggestion; to suggest something indirectly
Example
She gave me a hint about the surprise party.
彼女はサプライズパーティーについてヒントをくれた。
A1 adjective /ˈhʌŋɡri/

Hungry

お腹がすいている
Meaning
feeling the need for food; having a strong desire or craving
Example
I am very hungry after working all day.
一日中働いた後でとてもお腹がすいています。
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。
B1 noun /ˈhæm.ər/

Hammer

ハンマー
Meaning
a tool with a heavy metal head for hitting nails or breaking things
Example
She used a hammer to nail the picture frame to the wall.
彼女は絵のフレームを壁に打ち付けるためにハンマーを使いました。
A2 noun /ˈhɛlɪˌkɒptər/

helicopter

ヘリコプター
Meaning
an aircraft with rotating blades that can take off and land vertically
Example
The helicopter landed safely on the hospital roof.
ヘリコプターは病院の屋上に安全に着陸しました。
B1 adjective /ˈhoʊli/

Holy

神聖な; 神や宗教目的に捧げられた; 道徳的で精神的に優れた
Meaning
sacred; dedicated to God or religious purposes; morally and spiritually excellent
Example
The holy shrine attracts thousands of pilgrims every year.
その聖地は毎年何千人もの巡礼者を引き寄せます。
A2 adjective /hjuːdʒ/

huge

巨大な
Meaning
extremely large in size or amount
Example
The stadium was filled with a huge crowd.
スタジアムは巨大な群衆で埋め尽くされていました。
B2 adjective /ˈhɑːrtˌbreɪkɪŋ/

Heartbreaking

胸が痛むような; 心を打つ; 哀れな
Meaning
causing overwhelming distress; very sad or disappointing
Example
The documentary showed heartbreaking scenes of children in poverty.
ドキュメンタリーは貧困の中の子供たちの胸が痛むようなシーンを見せました。
B2 noun ˈhæb.ɪ.tæts

habitats

生息地
Meaning
The natural home or environment of an animal, plant, or other organism.
Example
Scientists envision habitats on the Moon.
科学者たちは月面にハビタッツを想像しています。
B2 noun, verb /ˈhɑːrbər/

harbor

Meaning
noun: a place on the coast where ships may find shelter; verb: to keep (a thought or feeling, often negative) in one's mind
Example
He continued to harbor resentment towards his former boss.
A2 adjective ˈhjuː.mən

human

人間の
Meaning
Relating to or characteristic of people or human beings; showing the better qualities of humankind, such as kindness.
Example
Human values shape social systems.
人間の価値観は社会システムを形作ります。
C2 noun /ˈhɛptəˌɡɒn/

heptagon

七角形
Meaning
A polygon with seven sides and seven angles.
Example
The math teacher drew a heptagon on the board.
数学の先生は黒板にヘプタゴンを描きました。
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。
A2 verb /hɪt/

hit

打つ
Meaning
to strike; to reach a target
Example
He hit the ball with the bat.
彼はバットでボールを打った。
B1 noun /hel/

Hell

地獄; 苦痛な状態; 極めて不快な経験
Meaning
a place regarded in various religions as a spiritual realm of evil and suffering; an extremely unpleasant experience
Example
Working in the factory during summer was absolute hell due to the extreme heat.
夏に工場で働くことは、極端な暑さのためにまさに地獄のようだった。
C2 noun /ˌhæŋ.ki ˈpæŋ.ki/

Hanky-Panky

詐欺; 疑わしい活動; 不道徳な行動; ごまかし
Meaning
dishonest or suspicious activity; unethical behavior; trickery or deception
Example
The audit revealed some hanky-panky in the company's financial records.
監査により、会社の財務記録に詐欺が発覚しました。
B1 adjective /ˈhæn.səm/

handsome

Meaning
attractive in appearance, usually referring to men; also can mean generous or impressive in size.
Example
He looked very handsome in his new suit.
A2 noun /hɛlθ/

health

健康
Meaning
The state of being free from illness or injury.
Example
Exercise is important for good health.
運動は良い健康のために重要です。
C2 noun /hɑrˈmoʊniəm/

Harmonium

ハーモニウム
Meaning
a keyboard musical instrument similar to an organ, using air to produce sound
Example
She played devotional songs on the harmonium at the temple.
彼女は寺院でハーモニウムを使って祈りの歌を演奏した。
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。
C2 noun /ˈhaɪərəˌɡlɪf/

hieroglyph

ヒエログリフ
Meaning
A picture or symbol used in ancient writing systems, especially Egyptian writing.
Example
The walls of the temple were covered in hieroglyphs.
寺院の壁はヒエログリフで覆われていた。
C2 noun /ˈhaɪdrə/

hydra

ヒドラ
Meaning
a many-headed serpent in Greek mythology; a problem that seems to grow worse when attempts are made to solve it
Example
Corruption is like a hydra, hard to defeat completely.
汚職はヒドラのようで、完全に打ち負かすのは難しい。
B2 noun /haɪˈiː.nə/

Hyena

ハイエナ
Meaning
a wild animal of Africa and Asia that looks like a dog and makes a sound like laughter
Example
The hyena laughed in the darkness of the night.
ハイエナは夜の闇の中で笑いました。
C2 noun /ˈhæk.ni ˈkær.ɪdʒ/

Hackney carriage

ハックニーキャリッジ
Meaning
A taxi; a car licensed to carry passengers for hire
Example
I called a hackney carriage to get to the airport.
空港に行くためにハックニーキャリッジを呼びました。
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。
A1 interjection /heɪ/

hey

ヘイ
Meaning
used to attract attention, express surprise, or greet someone
Example
Hey, how are you doing today?
ヘイ、今日はどうしてる？
B2 noun /haɪv/

Hive

ハチの巣; 活動で満ちた場所
Meaning
a structure in which bees live and produce honey; a place full of busy activity
Example
The garden was buzzing with activity as bees flew back and forth from their hive.
庭はミツバチがハチの巣から行ったり来たりして活動でにぎわっていた。
B2 adjective /ˈhelp.ləs/

Helpless

無力; 助けがない; 脆弱
Meaning
unable to defend oneself or act without help; powerless; vulnerable
Example
The child felt helpless when lost in the crowded market.
その子供は混雑した市場で迷子になったとき、無力だと感じた。
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。
B2 verb /hɔːlt/

halt

停止する
Meaning
to stop or bring to a stop
Example
The train suddenly halted at the station.
電車は駅で突然止まりました。
C1 noun /ˌhoʊmiˈɑːpəθi/

homeopathy

ホメオパシー
Meaning
a system of alternative medicine based on treating diseases with highly diluted substances
Example
He believes in homeopathy for treating common colds.
彼は風邪を治すためにホメオパシーを信じています。
C1 verb /hɜːrl/

hurl

Meaning
To throw something with great force.
Example
The boy hurled a stone into the river.
C2 noun /haɪˈdrɒl.ɪ.sɪs/

hydrolysis

加水分解
Meaning
A chemical process that breaks down compounds by adding water, splitting complex molecules into simpler forms.
Example
Hydrolysis breaks down complex molecules into simpler forms.
加水分解は複雑な分子をより単純な形に分解します。
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。
A2 adverb /ˈhæpɪli/

happily

幸せに
Meaning
in a happy manner; with pleasure or satisfaction
Example
The children played happily in the garden.
子供たちは庭で幸せに遊びました。
C2 adjective /ˈhæŋ.dɔːɡ/

hangdog

恥ずかしい
Meaning
looking or feeling ashamed, guilty, or defeated.
Example
He gave me a hangdog look after being caught lying.
彼は嘘をついて捕まった後、恥ずかしそうな顔をした。
C2 noun phrase /ˌhjuː ən ˈkraɪ/

hue and cry

大声の抗議
Meaning
A loud public outcry or protest, often demanding action.
Example
There was a hue and cry over the new policy changes.
新しい政策変更に対して、大声の抗議が起こった。
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。
C2 adjective /ˌhaɪpərˈbɔːriən/

hyperborean

極北の
Meaning
Relating to the extreme north; very cold or frigid.
Example
The explorers prepared for the hyperborean climate of the Arctic.
探検家たちは北極の極北の気候に備えていた。
C2 noun /ˈhɛfər/

heifer

雌牛
Meaning
a young cow that has not borne a calf
Example
The farmer raised a heifer for dairy production.
農家は乳製品の生産のためにヘイファーを育てました。
B1 adjective /ˈhɪd.ən/

Hidden

隠れた; 秘密の; 見えない
Meaning
concealed from view; kept secret; not visible or apparent
Example
There was a hidden camera in the room.
部屋には隠れたカメラがありました。
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。
A1 noun /hɔːrs/

Horse

馬
Meaning
a large domesticated mammal used for riding and pulling loads
Example
The horse galloped across the field with great speed.
馬は大きな速さで野原を駆け抜けました。
C2 noun /ˈhɔːrs.liːt͡ʃ/

Horse-leach

馬のヒル
Meaning
a large species of leech that was traditionally used in veterinary medicine
Example
The veterinarian explained that horse-leach was once commonly used to treat horses.
獣医は、馬のヒルがかつて馬の治療に広く使われていたと説明しました。
B2 noun /ˈhæs.əl/

Hassle

面倒; 困難; 手間
Meaning
irritating inconvenience; trouble or difficulty; a situation causing problems
Example
Booking tickets online can save you the hassle of waiting in long queues at the theater.
オンラインでチケットを予約すると、劇場で長時間並ぶ手間を省けます。
C2 verb /ˈhɜːrtl/

hurtle

猛スピードで進む
Meaning
To move or cause to move at great speed, often in a dangerous way.
Example
The car hurtled down the mountain road.
車は山道を猛スピードで下っていました。
A1 verb /hæv/

have

持っている
Meaning
to possess, own, or hold
Example
They have three children.
彼らは三人の子供がいます。
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。
A2 noun /ˈhɑː.bi/

Hobby

趣味; お楽しみ; 遊び
Meaning
an activity done regularly in one's leisure time for pleasure; a pastime or recreation
Example
Photography became her favorite hobby after she received a camera for her birthday.
写真は彼女のお気に入りの趣味になりました、彼女の誕生日にカメラをもらった後で。
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。
B2 adjective /ˈhɑːrti/

Hearty

熱心で友好的; 豊富で栄養豊富
Meaning
enthusiastic and friendly; substantial and nourishing
Example
He gave us a hearty welcome when we arrived at his home.
彼は私たちが家に到着したとき、熱心な歓迎をしてくれました。
B2 adjective /ˌhɒrɪˈzɒntəl/

horizontal

水平な
Meaning
parallel to the horizon; flat and level from side to side
Example
The table must be perfectly horizontal to keep the glass from sliding.
グラスが滑らないように、テーブルは水平である必要があります。
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 /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 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。
A2 adjective /ˈɑːnɪst/

honest

正直
Meaning
free of deceit and untruthfulness; sincere
Example
She is known as an honest and trustworthy person.
彼女は誠実で信頼できる人物として知られています。
C2 noun /haɪˈdrɒmɪtər/

hydrometer

Meaning
An instrument used to measure the density or specific gravity of liquids.
Example
The brewer used a hydrometer to test the sugar content of the solution.
A2 noun /ˈhʌni/

Honey

蜂蜜
Meaning
a sweet, sticky substance made by bees from flower nectar
Example
I like to add honey to my tea.
私はお茶に蜂蜜を加えるのが好きです。
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。
A2 noun /ˈherˌdrɛsər/

hairdresser

美容師
Meaning
a person whose job is to cut, style, and treat hair
Example
The hairdresser gave me a stylish haircut before the wedding.
美容師は結婚式の前に私におしゃれな髪型をしてくれました。
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。
C2 noun /ˌɒnəˈreəriəm/

honorarium

謝礼
Meaning
A payment given for professional services that are rendered without a fee.
Example
The guest lecturer received an honorarium for her talk.
ゲスト講師は彼女の講演に対して謝礼を受け取った。
A1 adverb /haʊ/

how

どう
Meaning
in what way or manner; by what means
Example
How do you solve this problem?
この問題をどう解決しますか？
A2 verb /hʌnt/

hunt

狩り
Meaning
to chase and kill wild animals; to search for something
Example
The tigers hunt their prey at night.
トラは夜に獲物を狩ります。
B1 noun /ˈhɑːrdˌwɛr/

hardware

ハードウェア
Meaning
the physical parts of a computer or electronic system, such as the monitor, keyboard, and processor
Example
The company upgraded its computer hardware to improve performance.
会社はパフォーマンスを向上させるためにコンピュータのハードウェアをアップグレードしました。
C1 noun /ˈhɜː.mɪt/

Hermit

宗教的な修行として孤独に生きる人；社会から退く人
Meaning
a person living in solitude as a religious discipline; someone who withdraws from society
Example
The old hermit lived alone in a small cabin deep in the mountains, away from civilization.
その老いたハーミットは文明から遠く離れた山の中の小さな小屋で一人で暮らしていた。
A2 noun /ˈhɛdeɪk/

headache

頭痛
Meaning
a continuous pain in the head; something that causes worry or difficulty
Example
Too much screen time can give you a terrible headache.
長時間画面を見ることはひどい頭痛を引き起こす可能性があります。
C2 verb /ˈhɑːrtən/

hearten

勇気づける
Meaning
To give courage, confidence, or hope.
Example
The teacher’s encouragement heartened the students.
先生の励ましは学生たちに勇気を与えた。
A1 noun /haʊs/

house

家
Meaning
A building for people to live in, usually with rooms and a roof.
Example
They bought a new house in the city.
彼らは市内に新しい家を買いました。
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 /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。
C2 verb /hjuː/

hew

切る
Meaning
To chop or cut something, especially wood or stone, with a tool.
Example
The workers hewed logs to build the cabin.
労働者たちは小屋を建てるために丸太を切った。
A1 interjection /həˈloʊ/

hello

ハロー
Meaning
a greeting or expression used when meeting someone or starting a conversation
Example
She answered the phone with a cheerful hello.
彼女は電話を取って、元気にハローと言った。
A2 noun /hoʊl/

Hole

穴; 穴ぼこ;
Meaning
a hollow place in a solid body or surface; an opening through something
Example
The dog dug a deep hole in the backyard to bury its favorite bone.
犬は裏庭に深い穴を掘って、お気に入りの骨を埋めました。
B2 noun /er/

Heir

相続人
Meaning
a person legally entitled to the property or rank of another on that person's death
Example
The young prince was the rightful heir to the throne and would become king someday.
若い王子は王位の正当な相続人であり、いつか王になるでしょう。
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 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。
A1 interjection /hɑː/

ha

ハ！(驚きや喜びを表現する言葉)
Meaning
used to express amusement, surprise, or triumph
Example
Ha! I knew you couldn’t resist joining us.
ハ！君が僕たちに加わることを抵抗できないって知っていたよ。
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。
A2 verb /hɜːrt/

hurt

傷つける
Meaning
to cause pain or injury; to feel pain physically or emotionally
Example
My back hurts from sitting too long.
長時間座っていたので、背中が痛いです。
C2 verb /ˈhɛktər/

hector

脅して話す
Meaning
To talk to someone in a bullying or intimidating way.
Example
The manager hectored the staff into working overtime.
マネージャーはスタッフに残業をさせるために脅しました。
B2 verb /həˈræs/

harass

嫌がらせ
Meaning
to persistently annoy or torment someone
Example
The employees complained that their boss harassed them.
従業員は上司が彼らを嫌がらせたと不満を言った
C2 noun /ˈhæŋ.kər.ɪŋ/

hankering

切望
Meaning
a strong desire or craving for something.
Example
She had a hankering for chocolate late at night.
彼女は夜遅くにチョコレートへの切望を感じていた。
C2 noun ˌhiː.məˈfɪl.i.ə

hemophilia

血友病
Meaning
A medical condition in which the ability of the blood to clot is severely reduced, causing the sufferer to bleed severely from even a slight injury.
Example
Hemophilia treatment benefits from genetic editing.
血友病の治療は遺伝子編集から利益を得る。
A1 adverb /hɪr/

here

ここ
Meaning
in, at, or to this place
Example
Please come here quickly.
ここに早く来てください。
C1 noun /ˈhæŋ.ər/

Hanger

ハンガー
Meaning
a shaped piece of wood, plastic, or metal with a hook at the top, used to hang up clothes
Example
She hung her dress on a wooden hanger to prevent it from getting wrinkled.
彼女はドレスがしわにならないように木のハンガーに掛けました。
C2 adjective /hɛkˈsæŋɡjələr/

hexangular

六角形の
Meaning
Having six angles or corners.
Example
The artist designed a hexangular frame for the mirror.
アーティストは鏡のために六角形のフレームをデザインしました。
B2 adjective /ˈhɒs.taɪl/

Hostile

敵対的; 攻撃的; 対立的;
Meaning
unfriendly; aggressive; antagonistic;
Example
The hostile environment made it difficult to work.
敵対的な環境は仕事を難しくしました。
C2 adjective /ˈhʌski/

husky

Meaning
deep, rough, and slightly hoarse voice; also refers to a strong and sturdy build
Example
He spoke in a husky voice after shouting all day.
C2 noun /ˌhaɪdroʊˈfoʊbiə/

hydrophobia

水恐怖症
Meaning
Extreme or irrational fear of water; historically, another name for rabies.
Example
After being bitten by a stray dog, the man was treated for hydrophobia.
野良犬に噛まれた後、その男は水恐怖症の治療を受けました。
B2 adjective /ˈhɑlːoʊ/

Hollow

空洞; 中身がない;
Meaning
having an empty space inside; lacking substance or meaning; insincere
Example
The hollow tree trunk provided shelter for small animals.
空洞の木の幹は小さな動物に避難場所を提供しました。
B2 adjective /ˈhek.tɪk/

Hectic

忙しい; 熱狂的; 活動的な
Meaning
very busy and full of activity; frantic; characterized by intense activity or excitement
Example
My schedule has been hectic lately with back-to-back meetings.
最近、私のスケジュールは立て続けの会議で忙しくなっています。
A1 pronoun /hɪz/

his

彼の
Meaning
belonging to or associated with a male person previously mentioned
Example
This is his book on the table.
これは彼の本です、テーブルの上にあります。
A1 pronoun /hɜːrz/

hers

彼女の（女性の）物
Meaning
used to refer to something that belongs to or is associated with a female person previously mentioned or easily identified.
Example
That blue bag is hers.
その青いバッグは彼女のものです。
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。
B2 adjective /hɪˈlɛəriəs/

hilarious

非常に面白い
Meaning
Extremely funny or amusing.
Example
The comedian told a hilarious story that had everyone laughing.
コメディアンは、みんなが笑ってしまうような非常に面白い話をしました。
C2 adjective /ˈhɔːrtətɪv/

hortative

Meaning
Giving strong encouragement or urging.
Example
The teacher gave a hortative speech to motivate the students before the exam.
C2 noun /ˈhænd ˌrɪŋɪŋ/

hand-wringing

過剰な心配
Meaning
excessive worry or concern expressed in a visible or dramatic way.
Example
There was much hand-wringing over the political crisis.
政治危機について多くの心配がありました。
C2 verb /haɪ/

hie

急ぐ
Meaning
to go quickly; hasten
Example
He hied to the station to catch the train.
彼は電車に乗るために駅へ急いだ。
B1 adverb /ˈhoʊpfəli/

hopefully

希望的に
Meaning
in a hopeful manner; expressing hope or optimism
Example
Hopefully, the weather will be nice tomorrow.
明日、天気が良いことを願っています。
B2 noun /ˈher ˌpɪn/

Hair pin

ヘアピン
Meaning
a thin piece of metal or plastic used to hold hair in place
Example
She used several hair pins to secure her elegant updo.
彼女はエレガントなアップスタイルを固定するためにヘアピンをいくつも使った。
B1 verb/noun /haɪk/

hike

Meaning
To take a long walk in the countryside or mountains; also to increase suddenly (prices, rates, etc.).
Example
We decided to hike in the hills this weekend.
A1 noun /ˈhɒlɪdeɪ/

holiday

休暇
Meaning
A day of celebration or rest when most people do not work.
Example
We are planning a trip during the summer holiday.
私たちは夏休みの間に旅行を計画しています。
B2 adjective /ˈhaɪˌprəʊfaɪl/

high-profile

注目の的
Meaning
having a lot of attention or public notice
Example
The CEO attended a high-profile conference in New York.
CEOはニューヨークでのハイプロファイルな会議に参加しました。
C2 noun /ˈhɛʃ.ən/

Hessian

ジュート布
Meaning
a strong coarse fabric made from jute or hemp, used for sacks and wrapping
Example
The farmer stored grain in hessian sacks.
農家はジュート布袋に穀物を保管していました。
B1 noun /ˈhev.ən/

Heaven

天国
Meaning
a place regarded in various religions as the abode of God and the angels; a place of eternal happiness
Example
Many people believe that good souls go to heaven after they pass away from this world.
多くの人は、善い魂はこの世界を去った後に天国へ行くと信じている。
C2 noun /ˈhɑːdɪhʊd/

hardihood

勇気、大胆さ
Meaning
Courage, boldness, or daring behavior; also physical robustness.
Example
The mountaineer's hardihood impressed the entire team.
登山家のハーディフッドはチーム全体を感動させました。
A2 verb /heɪt/

hate

憎む
Meaning
to feel intense dislike or aversion for someone or something
Example
I hate waiting in long lines.
私は長い行列で待つのが嫌いです。
C2 adjective /ˈhaɪndmoʊst/

hindmost

最も後ろの
Meaning
Farthest back; last in position.
Example
The hindmost car in the convoy broke down first.
隊列で最も後ろの車が最初に壊れた。
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。
C2 noun /hɪˈdʒɛməni/ or /ˈhɛdʒəmoʊni/

hegemony

覇権
Meaning
leadership or dominance, especially by one state or group over others
Example
The empire maintained its hegemony over neighboring states.
帝国は隣国に対してその覇権を維持した。
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 /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。