heterogeneous
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C1 adjective /ˌhɛtərəˈʤiːniəs/

heterogeneous

Meaning
consisting of different kinds or diverse elements
Example
The classroom was filled with a heterogeneous group of students.
B2 adverb /hɪˈstɒrɪkli/

historically

Meaning
in a way that relates to history or past events
Example
Historically, this city was a major trade center.
A1 verb /hæv/

have

Meaning
to possess, own, or hold
Example
They have three children.
C2 noun /hæˈʃiːʃ/

hashish

Meaning
a drug made from the resin of the cannabis plant
Example
The police arrested him for possessing hashish.
B1 noun /ˈhaʊswaɪf/

housewife

Meaning
a married woman who manages a household and whose main occupation is caring for her family and home
Example
She chose to work as a housewife while raising her children.
A2 adjective /ˈhevi/

Heavy

Meaning
having great weight; intense or severe
Example
The heavy suitcase was difficult to carry up the stairs.
B2 adjective /ˈɒnərəbəl/

honourable

Meaning
deserving respect or admiration because of moral integrity; showing honesty and fairness
Example
She is known as an honourable leader who always keeps her promises.
C1 adjective /ˈhɛlθfəl/

healthful

Meaning
Promoting good health; beneficial to health.
Example
A healthful diet includes fresh fruits and vegetables.
C2 noun /ˈhɛptəˌɡɒn/

heptagon

Meaning
A polygon with seven sides and seven angles.
Example
The math teacher drew a heptagon on the board.
B2 noun /er/

Heir

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.
C1 noun/verb /hɛm/

hem

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.
A1 pronoun /hiː/

he

Meaning
used to refer to a male person or animal already mentioned or easily identified
Example
He is my best friend.
C2 adjective /ˌhæfˈbeɪkt/

half-baked

Meaning
poorly thought out or badly planned
Example
The manager quickly rejected his half-baked proposal.
A2 adjective /ˈɑːnɪst/

honest

Meaning
free of deceit and untruthfulness; sincere
Example
She is known as an honest and trustworthy person.
C2 noun /ˈhɛksəˌpɒd/

hexapod

Meaning
An insect or other organism with six legs.
Example
The scientist observed a hexapod crawling on the leaf.
B2 noun, adjective /hjuːˌmænɪˈtɛəriən/

humanitarian

Meaning
A person who seeks to promote human welfare, or something relating to human welfare and compassion.
Example
The organization provides humanitarian aid to disaster victims.
C2 adjective /ˈhaɪd.baʊnd/

hidebound

Meaning
unwilling or unable to change because of tradition or convention
Example
He is too hidebound to accept new ideas.
A1 noun /her/

Hair

Meaning
any of the fine thread-like strands growing from the skin of humans and animals
Example
She decided to cut her long hair short for a fresh new look this summer.
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 verb /hʌnt/

hunt

Meaning
to chase and kill wild animals; to search for something
Example
The tigers hunt their prey at night.
B2 noun /haɪˈdreɪʃən/

hydration

Meaning
The process of providing an adequate amount of liquid to bodily tissues.
Example
Proper hydration is essential for maintaining body functions.
A2 verb /hæŋ/

hang

Meaning
to suspend or be suspended from above; to attach from a higher point
Example
I hang my coat on the hook.
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 /ˈhaɪbrɪd/

hybrid

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.
C2 noun /hɪˈlærɪti/

hilarity

Meaning
Extreme amusement, especially when expressed by laughter.
Example
The movie caused great hilarity among the audience.
C2 noun /hɜːrs/

Hearse

Meaning
a vehicle for conveying the coffin at a funeral; a funeral car
Example
The black hearse slowly made its way to the cemetery, followed by a procession of mourners.
C1 adjective /ˈhɛdˌstrɔŋ/

headstrong

Meaning
Determined to do what one wants, even if it is not sensible.
Example
The headstrong child refused to listen to anyone.
C2 noun /ˈhʌm.ək/

hummock

Meaning
A small hill, mound, or ridge of earth or ice.
Example
The hikers rested on a grassy hummock by the river.
C2 noun /ˈhæknɪ/

hackney

Meaning
a horse kept for ordinary riding or hire; also used for something overused or trite
Example
The old hackney was still pulling the carriage.
B1 adjective /ˈhoʊpləs/

Hopeless

Meaning
feeling or causing despair about something; without hope; desperate
Example
The situation seemed hopeless until help arrived.
A1 adverb /hɪr/

here

Meaning
in, at, or to this place
Example
Please come here quickly.
C2 noun /ˈhæŋ.kər.ɪŋ/

hankering

Meaning
a strong desire or craving for something.
Example
She had a hankering for chocolate late at night.
C1 verb /ˈhjuːmənaɪz/

humanize

Meaning
To make something more humane, kind, or relatable.
Example
The teacher tried to humanize the lesson with personal stories.
B2 noun /ˈhʌrɪkən/

hurricane

Meaning
A violent tropical storm with very strong winds and heavy rain.
Example
The hurricane destroyed hundreds of homes along the coast.
C1 adjective /hjuːˈmeɪn/

humane

Meaning
Showing compassion or benevolence.
Example
The doctor provided humane treatment to the injured animals.
A1 adverb /haʊ/

how

Meaning
in what way or manner; by what means
Example
How do you solve this problem?
B2 verb /hɔːnt/

haunt

Meaning
to trouble persistently; to visit as a ghost
Example
The old memories still haunt me.
C1 noun /hɪpˈnoʊsɪs/

hypnosis

Meaning
A trance-like state of consciousness usually induced by suggestion.
Example
She underwent hypnosis to overcome her fear of flying.
B2 adjective /hɪˈroʊɪk/

heroic

Meaning
showing great bravery or courage; relating to a hero or heroes
Example
The firefighter made a heroic effort to save the child.
B2 adjective /ˈhek.tɪk/

Hectic

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.
C2 noun /ˈhaɪərlɪŋ/

hireling

Meaning
A person who works for payment only, often with little loyalty or principle.
Example
The mercenary was dismissed as just a hireling with no real loyalty.
C2 noun /ˈhɑːstəlri/

hostelry

Meaning
An inn or lodging place, especially one for travelers.
Example
They stayed at a small hostelry near the mountains.
A2 adjective /ˈhɛl.θi/

healthy

Meaning
Good physical and mental condition, free from disease or illness.
Example
Regular exercise and a balanced diet keep the body healthy.
C2 adjective /ˌhaɪpəˈdɜːrmɪk/

hypodermic

Meaning
relating to the region immediately beneath the skin; also refers to a type of needle or syringe used to inject drugs beneath the skin.
Example
The doctor used a hypodermic needle to administer the vaccine.
C1 adverb /ˈheɪs.tɪ.li/

Hastily

Meaning
in a hurried or rushed manner; quickly and carelessly
Example
She hastily packed her bags before leaving for the airport.
C1 verb /ˈheɪsən/

hasten

Meaning
To move or act quickly; to cause something to happen sooner.
Example
He hastened to finish his work before the deadline.
A1 noun /hɔːrs/

Horse

Meaning
a large domesticated mammal used for riding and pulling loads
Example
The horse galloped across the field with great speed.
B2 noun /ˈhæz.ərd/

Hazard

Meaning
a danger or risk; something that poses a threat to safety
Example
Smoking is a serious health hazard that can lead to lung cancer and heart disease.
C1 adjective /ˌhaɪəˈrɑː.kɪ.kəl/

hierarchical

Meaning
arranged in order of rank or authority
Example
The company has a strict hierarchical structure.
C1 noun /hɒˈstɪləti/

hostility

Meaning
hostile behavior; unfriendliness or opposition
Example
The negotiations ended in an atmosphere of hostility.
A2 noun /hɪl/

Hill

Meaning
a naturally raised area of land, not as high or craggy as a mountain
Example
The children enjoyed rolling down the grassy hill behind their house during summer vacation.
A2 verb /hɑːrm/

harm

Meaning
to cause damage, injury, or hurt to someone or something
Example
Smoking can harm your health.
C1 noun /ˈheɪvən/

haven

Meaning
a safe place or shelter
Example
The library became a haven for students during exams.
C1 verb /hjuːˈmɪlieɪt/

humiliate

Meaning
to make someone feel ashamed or foolish by injuring their dignity
Example
He was humiliated by his public failure.
C1 noun /heɪz/

Haze

Meaning
a slight obscuration of the lower atmosphere, typically caused by fine suspended particles; confusion
Example
The morning haze lifted gradually as the sun rose higher in the sky.
B1 adjective /hɪˈstɔːrɪkəl/

historical

Meaning
Related to history or past events.
Example
The museum has a large collection of historical documents.
C1 noun ˌhaɪ.drəˈlɒdʒ.ɪ.kəl ˈsaɪ.kəl

hydrological cycle

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.
B1 noun /ˈhaʊshoʊld/

household

Meaning
All the people living together in one house, considered as a unit.
Example
There are five people in our household.
B1 noun /ˈhɛlθˌkɛər/

health-care

Meaning
the organized provision of medical services to maintain or improve health
Example
Access to quality health-care is essential for every citizen.
C1 verb /ˈhæmpər/

hamper

Meaning
to hinder or impede the movement or progress of
Example
The heavy rain hampered our travel plans.
B1 noun /ˈhæŋ.kər.tʃɪf/

Handkerchief

Meaning
a small piece of cloth used for wiping the nose or face
Example
She always carries a clean handkerchief in her purse.
B1 noun ˌhjuː.mən ˈraɪts

human rights

Meaning
A right that is believed to belong justifiably to every person.
Example
Human rights protect individual freedoms.
C2 noun /ˈhɛdʒɪrə/ or /hɪˈdʒaɪrə/

hegira

Meaning
a journey, especially when undertaken to escape from a dangerous or undesirable situation
Example
The refugees began their hegira across the desert.
B1 noun /ˈhev.ən/

Heaven

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.
B2 noun /hɜːb/ (US) /hɜːb/ or /ɜːb/

herb

Meaning
a plant used for flavoring food, medicine, or perfume
Example
Basil is a popular herb used in Italian cuisine.
C1 noun ˈhaɪ.drə.dʒən ˈpaʊ.əd bʌsɪz

hydrogen-powered buses

Meaning
Buses powered by hydrogen fuel cells that produce only water vapor as emission.
Example
Hydrogen-powered buses reduce air pollution.
C2 verb /ˈhɛktər/

hector

Meaning
To talk to someone in a bullying or intimidating way.
Example
The manager hectored the staff into working overtime.
C2 noun /ˈhoʊl.stər/

holster

Meaning
A holder or case for carrying a gun, typically worn on a belt or shoulder.
Example
The sheriff kept his revolver in a leather holster.
C1 noun /ˈhɛrəsi/

heresy

Meaning
belief or opinion that goes against established religious doctrine or accepted beliefs.
Example
In medieval times, heresy was often punished severely.
B2 adjective haɪˈdʒiː.nɪk

hygienic

Meaning
Conducive to maintaining health and preventing disease, especially by being clean.
Example
Maintaining hygienic conditions in hospitals is crucial.
C1 adverb /ˌhɛdˈfɜrst/

headfirst

Meaning
With the head leading; in a reckless or hasty manner.
Example
He dived headfirst into the pool.
B2 noun /heɪst/

Haste

Meaning
swiftness of motion; urgent need of quick action; excessive speed or urgency
Example
In his haste to catch the train, he forgot to take his wallet from the table.
B2 noun ˈhæb.ɪ.tæts

habitats

Meaning
The natural home or environment of an animal, plant, or other organism.
Example
Scientists envision habitats on the Moon.
A2 noun /ˈhʌni/

Honey

Meaning
a sweet, sticky substance made by bees from flower nectar
Example
I like to add honey to my tea.
C2 noun /ˌhoʊmə.dʒəˈniːəti/

homogeneity

Meaning
The quality or state of being all the same or all of the same kind.
Example
The cultural homogeneity of the village made it feel unified.
B2 noun /ˈhoʊmlænd/

homeland

Meaning
a person's native country or region
Example
She returned to her homeland after ten years abroad.
B1 verb /ˈɒnər/

honour

Meaning
to show respect; to keep a promise
Example
We honour our veterans for their service.
C2 noun ˌhiː.məˈfɪl.i.ə

hemophilia

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.
B2 noun /ˌhɑː.spɪˈtæl.ə.ti/

Hospitality

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.
C1 noun /ˈhaɪ.drəʊˌpaʊər ˌdʒen.əˈreɪ.ʃən/

hydropower generation

Meaning
The production of electrical power through the use of the gravitational force of falling or flowing water.
Example
Hydropower generation promotes green energy.
B2 noun ˈhoʊmˌskuː.lɪŋ

homeschooling

Meaning
The practice of educating children at home rather than sending them to a school.
Example
Homeschooling allows parents to tailor education to their child's needs.
B1 noun /hel/

Hell

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.
A2 adjective ˈhjuː.mən

human

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.
C1 noun /ˈhɔːl.mɑːrk/

hallmark

Meaning
a typical characteristic or feature of someone or something
Example
Honesty is the hallmark of a good leader.
C2 noun /haɪˈdrɒl.ɪ.sɪs/

hydrolysis

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.
C1 adjective /ˈhɑːrtˌrɛndɪŋ/

heartrending

Meaning
Causing great sadness or distress; very moving emotionally.
Example
The documentary showed heartrending scenes of war victims.
B2 noun /ˈhaɪəˌrɑːrki/

hierarchy

Meaning
A system in which people or things are arranged in levels of importance or authority.
Example
The corporate hierarchy determines who makes the final decision.
C2 noun /ˈhaʊsˌbreɪkɪŋ/

housebreaking

Meaning
the crime of breaking into a house with intent to steal
Example
The thief was arrested for housebreaking.
B1 adjective /ˈhɪd.ən/

Hidden

Meaning
concealed from view; kept secret; not visible or apparent
Example
There was a hidden camera in the room.
C2 noun /hæp/

hap

Meaning
luck, fortune, or chance occurrence
Example
By sheer hap, he discovered the old letter hidden in the drawer.
B2 adjective /ˈheɪsti/

Hasty

Meaning
done or acting with excessive speed or urgency; hurried
Example
Don't make hasty decisions when you're angry.
B2 adjective /ˈhændi/

handy

Meaning
convenient to use or easily accessible; skillful with the hands
Example
This pocket knife is very handy when you go camping.
C1 adjective /ˈhæb.ɪ.tə.bəl/

Habitable

Meaning
suitable or good enough to live in
Example
The planet Mars may become habitable in the future.
C1 noun ˌhaɪ.droʊˈpɒn.ɪks

hydroponics

Meaning
Growing plants using nutrient-rich water instead of soil.
Example
Hydroponics allows crops to grow without soil.
C2 noun /hʌsk/

husk

Meaning
the dry outer covering of some fruits or seeds
Example
The corn husk was peeled away before cooking.
C2 adjective /ˌhæɡ.i.əˈɡræf.ɪk/

hagiographic

Meaning
Excessively flattering or idealized, often in a biography or portrayal of someone.
Example
The documentary was criticized for its hagiographic portrayal of the leader.
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.
C2 noun /hɪˈdʒɛməni/ or /ˈhɛdʒəmoʊni/

hegemony

Meaning
leadership or dominance, especially by one state or group over others
Example
The empire maintained its hegemony over neighboring states.
A1 noun, numeral /ˈhʌndrəd/

hundred

Meaning
the number 100
Example
There are a hundred students in the hall.
B1 adjective /ˈhoʊli/

Holy

Meaning
sacred; dedicated to God or religious purposes; morally and spiritually excellent
Example
The holy shrine attracts thousands of pilgrims every year.
C2 adjective /ˈhaɪndmoʊst/

hindmost

Meaning
Farthest back; last in position.
Example
The hindmost car in the convoy broke down first.
B2 adjective /hɪˈspænɪk/

hispanic

Meaning
relating to Spain or Spanish-speaking countries, especially Latin America.
Example
She studies Hispanic culture and language.
C2 adjective /ˌhaɪpərˈkrɪtɪkl/

hypercritical

Meaning
Excessively or unreasonably critical.
Example
The teacher was often hypercritical of small mistakes.
B2 verb /hɔːlt/

halt

Meaning
to stop or bring to a stop
Example
The train suddenly halted at the station.
A2 pronoun /hɪmˈself/

himself

Meaning
Used to emphasize that a male person does something by his own effort.
Example
He fixed the car himself.
C2 adjective /ˈhɜːrsuːt/

hirsute

Meaning
Having a lot of hair, especially in an unusual place.
Example
The hirsute man stood out in the crowd with his long beard.
B1 adjective /ˈhoʊpfəl/

Hopeful

Meaning
feeling or inspiring optimism about a future event; confident; optimistic
Example
He remained hopeful despite the challenges.
A2 verb /haɪd/

hide

Meaning
to put or keep out of sight; to conceal from view
Example
Children like to hide during games.
B2 adjective /ˈhɑːrtˌbreɪkɪŋ/

Heartbreaking

Meaning
causing overwhelming distress; very sad or disappointing
Example
The documentary showed heartbreaking scenes of children in poverty.
C2 noun /ˌhaɪdrəˈstætɪks/

hydrostatics

Meaning
The branch of science concerned with the mechanical properties of fluids at rest.
Example
Hydrostatics is essential in understanding how dams and reservoirs function.
C1 verb /hiːd/

heed

Meaning
to pay attention to; to take notice of
Example
You should heed the teacher's advice.
A2 verb /ˈhɜːri/

hurry

Meaning
to move or act with great speed; to rush
Example
We need to hurry or we'll be late.
C2 noun /ˌɒnəˈreəriəm/

honorarium

Meaning
A payment given for professional services that are rendered without a fee.
Example
The guest lecturer received an honorarium for her talk.
C2 verb /ˈhæloʊ/

hallow

Meaning
to honor as holy; to make sacred or greatly respected
Example
The ancient temple was hallowed by centuries of worship.
B1 verb /ˈhɛdɪŋ/

heading

Meaning
Moving in a particular direction.
Example
The ship is heading toward Antarctica.
C2 adjective/noun /ˌhaɪərəˈɡlɪfɪk/

hieroglyphic

Meaning
Relating to or written in hieroglyphs; symbols or writing that is difficult to understand.
Example
The archaeologists studied the hieroglyphic inscriptions carefully.
B2 noun /hʌb/

hub

Meaning
the central part of a place or activity where things converge
Example
The city is the hub of the country's trade network.
C1 noun /ˈhiːdənɪst/

hedonist

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.
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.
C1 adjective /ˌhaɪ.drəˈpɒn.ɪk/

hydroponic

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.
B2 noun /ˈheɪ.trəd/

Hatred

Meaning
intense dislike or ill will; a feeling of strong aversion
Example
His hatred for injustice motivated him to become a human rights lawyer.