Part 67

Im*per"il (?), v. t. [imp. & p. p. Imperiled (?) or Imperilled; p. pr. & vb. n. Imperiling or Imperilling.] To bring into peril; to endanger.

Im*per"il*ment (?), n. The act of imperiling, or the state of being imperiled.

Im*pe"ri*ous (?), a. [L. imperiosus: cf. F. impérieux. See Imperial.] 1. Commanding; ascendant; imperial; lordly; majestic. [Obs.] "A vast and imperious mind." Tilloison.

Therefore, great lords, be, as your titles witness, Imperious.

Shak.

2. Haughly; arrogant; overbearing; as, an imperious tyrant; an imperious manner.

This imperious man will work us all From princes into pages.

Shak.

His bold, contemptuous, and imperious spirit soon made him conspicuous.

Macaulay.

3. Imperative; urgent; compelling.

Imperious need, which can not be withstood.

Dryden.

Syn. -- Dictatorial; haughty; domineering; overbearing; lordly; tyrannical; despotic; arrogant; imperative; authoritative; commanding; pressing. -- Imperious, Lordly, Domineering. One who is imperious exercises his authority in a manner highly offensive for its spirit and tone; one who is lordly assumes a lofty air in order to display his importance; one who is domineering gives orders in a way to make others feel their inferiority.

Im*pe"ri*ous*ly, adv. In an imperious manner.

Im*pe"ri*ous*ness, n. The quality or state of being imperious; arrogance; haughtiness.

Imperiousness and severity is but an ill way of treating men who have reason of their own to guide them.

Locke.

Im*per`ish*a*bil"i*ty (?), n. The quality of being imperishable: indstructibility. "The imperishability of the universe." Milman.

Im*per"ish*a*ble (?), a. [Pref. im- not + perishable: cf. F. impérissable.] Not perishable; not subject to decay; indestructible; enduring permanently; as, an imperishable monument; imperishable renown. -- Im*per"ish*a*ble*ness, n. -- Im*per"ish*a*bly, adv.

Im*per"i"wigged (?), a. Wearing a periwig.

{ Im*per"ma*nence (?), Im*per"ma*nen*cy (?), } n. lack of permanence.

Im*per"ma*nent (?), a. Not permanent.

Im*per`me*a*bil"i*ty (?), n. [Pref. im- not + permeability: cf. F. imperméabilité.] The quality of being impermeable.

Im*per"me*a*ble (?), a. [Pref. im- not + permeable: cf. F. imperméable, L. impermeabilis.] Not permeable; not permitting passage, as of a fluid. through its substance; impervious; impenetrable; as, India rubber is impermeable to water and to air. -- Im*per"me*a*ble*ness, n. -- Im*per"me*a*bly, adv.

Im`per*mis"si*ble (?), a. Not permissible.

Im`per*scru"ta*ble (?), a. [L. imperscrutabilis.] Not capable of being searched out; inscrutable. [Obs.] -- Im`per*scru"ta*ble*ness, n. [Obs.]

Im`per*sev"er*ant (?), a. Not persevering; fickle; thoughtless. [Obs.]