harangue n. A tirade.
harass v. To trouble with importunities, cares, or annoyances.
harbinger n. One who or that which foreruns and announces the coming of any person or thing. hard-hearted adj. Lacking pity or sympathy.
hardihood n. Foolish daring.
harmonious adj. Concordant in sound.
havoc n. Devastation.
hawthorn n. A thorny shrub much used in England for hedges. hazard n. Risk.
head first adv. Precipitately, as in diving. head foremost adv. Precipitately, as in diving. heartrending adj. Very depressing. heathenish adj. Irreligious.
heedless adj. Thoughtless.
heifer n. A young cow.
heinous adj. Odiously sinful.
hemorrhage n. Discharge of blood from a ruptured or wounded blood-vessel. hemorrhoids n. pI. Tumors composed of enlarged and thickened blood-vessels, at the lower end of the rectum.
henchman n. A servile assistant and subordinate.
henpeck v. To worry or harass by ill temper and petty annoyances. heptagon n. A figure having seven sides and seven angles. heptarchy n. A group of seven governments.
herbaceous adj. Having the character of a herb.
herbarium n. A collection of dried plants scientifically arranged for study. herbivorous adj. Feeding on herbs or other vegetable matter, as animals. hereditary adj. Passing naturally from parent to child.
heredity n. Transmission of physical or mental qualities, diseases, etc., from parent to offspring. heresy n. An opinion or doctrine subversive of settled beliefs or accepted principles. heretic n. One who holds opinions contrary to the recognized standards or tenets of any philosophy. heritage n. Birthright.
hernia n. Protrusion of any internal organ in whole or in part from its normal position. hesitancy n. A pausing to consider.
hesitant adj. Vacillating.
hesitation n. Vacillation.
heterodox adj. At variance with any commonly accepted doctrine or opinion. heterogeneity n. Unlikeness of constituent parts.
heterogeneous adj. Consisting of dissimilar elements or ingredients of different kinds. heteromorphic adj. Deviating from the normal form or standard type.
hexangular adj. Having six angles.
hexapod adj. Having six feet.
hexagon n. A figure with six angles.
hiatus n. A break or vacancy where something necessary to supply the connection is wanting.
hibernal adj. Pertaining to winter.
Hibernian adj. Pertaining to Ireland, or its people. hideous adj. Appalling.
hilarious adj. Boisterously merry. hillock n. A small hill or mound. hinder v. To obstruct.
hindmost adj. Farthest from the front. hindrance n. An obstacle.
hirsute adj. Having a hairy covering.
hoard v. To gather and store away for the sake of accumulation. hoarse adj. Having the voice harsh or rough, as from a cold or fatigue. homage n. Reverential regard or worship.
homogeneity n. Congruity of the members or elements or parts. homogeneous adj. Made up of similar parts or elements. homologous adj. Identical in nature, make-up, or relation.
homonym n. A word agreeing in sound with but different in meaning from another. homophone n. A word agreeing in sound with but different in meaning from another. honorarium n. A token fee or payment to a professional man for services. hoodwink v. To deceive.
horde n. A gathered multitude of human beings. hosiery n. A stocking.
hospitable adj. Disposed to treat strangers or guests with generous kindness. hospitality n. The practice of receiving and entertaining strangers and guests with kindness.
hostility n. Enmity.
huckster n. One who retails small wares. humane adj. Compassionate. humanitarian n. A philanthropist. humanize v. To make gentle or refined.
humbug n. Anything intended or calculated to deceive or mislead.
humiliate v. To put to shame.
hussar n. A light-horse trooper armed with saber and carbine. hustle v. To move with haste and promptness.
hybrid adj. Cross-bred.
hydra n. The seven- or nine-headed water-serpent slain by Hercules.
hydraulic adj. Involving the moving of water, of the force exerted by water in motion. hydrodynamics n. The branch of mechanics that treats of the dynamics of fiuids. hydroelectric adj. Pertaining to electricity developed water or steam. hydromechanics n. The mechanics of fluids.
hydrometer n. An instrument for determining the density of solids and liquids by flotation. hydrostatics n. The branch of science that treats of the pressure and equilibrium of fiuids. hydrous adj. Watery.
hygiene n. The branch of medical science that relates to improving health. hypercritical adj. Faultfinding.
hypnosis n. An artificial trance-sleep.
hypnotic adj. Tending to produce sleep.
hypnotism n. An artificially induced somnambulistic state in which the mind readily acts on suggestion.
hypnotize v. To produce a somnambulistic state in which the mind readily acts on suggestions. hypocrisy n. Extreme insincerity.
hypocrite n. One who makes false professions of his views or beliefs. hypodermic adj. Pertaining to the area under the skin.
hypotenuse n. The side of a right-angled triangle opposite the right angle. hypothesis n. A proposition taken for granted as a premise from which to reach a conclusion.
hysteria n. A nervous affection occurring typically in paroxysms of laughing and crying. ichthyic adj. Fish-like.
ichthyology n. The branch of zoology that treats of fishes. ichthyosaurs n. A fossil reptile.
icily adv. Frigidly.
iciness n. The state of being icy. icon n. An image or likeness. iconoclast n. An image-breaker.
idealize v. To make to conform to some mental or imaginary standard. idiom n. A use of words peculiar to a particular language. idiosyncrasy n. A mental quality or habit peculiar to an individual. idolize v. To regard with inordinate love or admiration.
ignoble adj. Low in character or purpose.
ignominious adj. Shameful.
Iliad n. A Greek epic poem describing scenes from the siege of Troy. illegal adj. Not according to law.
illegible adj. Undecipherable.
illegitimate adj. Unlawfully begotten.
illiberal adj. Stingy.
illicit adj. Unlawful.
illimitable adj. Boundless.
illiterate adj. Having little or no book-learning. ill-natured adj. Surly.
illogical adj. Contrary to the rules of sound thought. iIIuminant n. That which may be used to produce light. illuminate v. To supply with light.
illumine v. To make bright or clear.
illusion n. An unreal image presented to the senses. illusive adj. Deceptive.
illusory adj. Deceiving or tending to deceive, as by false appearance. imaginable adj. That can be imagined or conceived in the mind. imaginary adj. Fancied.
imbibe v. To drink or take in.
imbroglio n. A misunderstanding attended by ill feeling, perplexity, or strife. imbrue v. To wet or moisten.
imitation n. That which is made as a likeness or copy. imitator n. One who makes in imitation.
immaculate adj. Without spot or blemish.
immaterial adj. Of no essential consequence. immature adj. Not full-grown.
immeasurable adj. Indefinitely extensive.
immense adj. Very great in degree, extent, size, or quantity. immerse v. To plunge or dip entirely under water or other fiuid.
immersion n. The act of plunging or dipping entirely under water or another fiuid. immigrant n. A foreigner who enters a country to settle there.
immigrate v. To come into a country or region from a former habitat.
imminence n. Impending evil or danger.
imminent adj. Dangerous and close at hand.
immiscible adj. Separating, as oil and water.