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.]