To drive or urge forward or on; to press on; to incite to action or motion in any way.

motivated by an irresistable compulsion.

An impelling power or force.

One who, or that which, impels.

To shut up or inclose, as in a pen.

To hang over; to be suspended above; to threaten from near at hand; to menace; to be imminent. See Imminent.

The state of impending; the state of being imminent and liable to happen soon; also, that which impends.

Impending; threatening.

Hanging over; overhanging; suspended so as to menace; imminet; threatening.

Quality of being impenetrable.

Incapable of being penetrated or pierced; not admitting the passage of other bodies; not to be entered; impervious; as, an impenetrable shield.

The quality of being impenetrable; impenetrability.

In an impenetrable manner or state; imperviously.

The condition of being impenitent; failure or refusal to repent; hardness of heart.

Impenitence.

One who is not penitent.

Without repentance.

Characterized by short wings covered with feathers resembling scales, as the penguins. One of the Impennes.

An order of birds, including only the penguins, in which the wings are without quills, and not suited for flight.

Having no wings, as some insects.

To people; to give a population to.

Commanding.

Done by express direction; not involuntary; commanded.

Of or pertaining to the imperative mood.

The imperative mood; also, a verb in the imperative mood.

In an imperative manner.

A commander; a leader; an emperor; -- originally an appellation of honor by which Roman soldiers saluted their general after an important victory. Subsequently the title was conferred as a recognition of great military achievements by the senate, whence it carried with it some special privileges. After the downfall of the Republic it was assumed by Augustus and his successors, and came to have the meaning now attached to the word emperor.

Commanding; imperative; authoritative.

Imperial.

Imperative.

Imperceptible.

Not perceived.

The state or quality of being imperceptible.

Not perceptible; not to be apprehended or cognized by the senses; not discernible by the mind; not easily apprehended.

Lack of perception.

Unable to perceive.

Not perceiving, or not able to perceive.

The state or quality of being imperdible.

Not destructible.

To make imperfect.

The state or quality of being imperfectible.

Incapable of being made perfect.

The quality or condition of being imperfect; lack of perfection; incompleteness; deficiency; fault or blemish.

The state of being imperfect.

Incapable of being perforated, or bored through.

A division of Foraminifera, including those in which the shell is not porous.

Not perforated; having no opening or aperture.

The state of being without perforation.

Of or pertaining to an empire, or to an emperor; as, an imperial government; imperial authority or edict.

The power or character of an emperor; imperial authority; the spirit of empire.

One who serves an emperor; one who favors imperialism.

Of, pertaining to, or advocating imperialism.

To invest with imperial authority, character, or style; to bring to the form of an empire.

Imperial power.

To bring into peril; to endanger.

The act of imperiling, or the state of being imperiled.

Commanding; ascendant; imperial; lordly; majestic.

In an imperious manner.

The quality or state of being imperious; arrogance; haughtiness.

The quality of being imperishable: indstructibility.

Supreme power; absolute dominion; empire.

Wearing a periwig.

Lack of permanence.

Not permanent.

The quality of being impermeable.

Not permeable; not permitting passage, as of a fluid. through its substance; impervious; impenetrable; as, India rubber is impermeable to water and to air.

Not permissible.

Not capable of being searched out; inscrutable.

Not persevering; fickle; thoughtless.

That which wants personality; an impersonal verb.

The quality of being impersonal; want or absence of personality.

In an impersonal manner.

To invest with personality; to endow with the form of a living being.

One who impersonates; an actor; a mimic.

The act of impersonating; personification; investment with personality; representation in a personal form.

Lack of perspicuity or clearness; vagueness; ambiguity.

Not perspicuous; not clear; obscure; vague; ambiguous.

Not to be persuaded; obstinate; unyielding; impersuasible.

Not persuasible; not to be moved by persuasion; inflexible; impersuadable.

The condition or quality of being impertinent; absence of pertinence, or of adaptedness; irrelevance; unfitness.

Impertinence.

An impertinent person.

In an impertinent manner.

The quality or state of being impertransible.

Incapable of being passed through.

The state or quality of being imperturbable.

Incapable of being disturbed or disconcerted; as, imperturbable gravity.

In an imperturbable manner; calmly.

Freedom from agitation of mind; calmness; quietude.

Not perturbed.

The quality of being imperviable.

Not pervious; impervious.

Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air.

Empery.

To affict with pestilence; to infect, as with plague.

See Pester.

Of the nature of, or pertaining to, impetigo.

A cutaneous, pustular eruption, not attended with fever; usually, a kind of eczema with pustulation.

Capable of being obtained or moved by petition.

To obtain by request or entreaty.

The act of impetrating, or obtaining by petition or entreaty.

Of the nature of impetration; getting, or tending to get, by entreaty.

Containing or expressing entreaty.

The condition or quality of being impetuous; fury; violence.

Rushing with force and violence; moving with impetus; furious; forcible; violent; as, an impetuous wind; an impetuous torrent.

A property possessed by a moving body in virtue of its weight and its motion; the force with which any body is driven or impelled; momentum.

The African sugar cane (Holcus saccharatus), -- resembling the sorghum, or Chinese sugar cane.

A body of Kaffir warriors; a body of native armed men.

Pictured; impressed.

To pierce; to penetrate.

Not capable of being pierced; impenetrable.

The quality of being impious; lack of piety; irreverence toward the Supreme Being; ungodliness; wickedness.

To pledge or pawn.

The act of pawning or pledging; the state of being pawned.

The act or process of grafting or mending.

To fall or dash against; to touch upon; to strike; to hit; to clash with; -- with on or upon.

The act of impinging.

Striking against or upon.

To fatten; to make fat.

The act of making fat, or the state of being fat or fattened.