Im*per"ti*nent*ly, adv. In an impertinent manner. "Not to betray myself
impertinently." B. Jonson.
Im`per*tran`si*bil"i*ty (?), n. The quality or state of being
impertransible. [R.]
Im`per*tran"si*ble (?), a. [L. pref. im- not + pertransire to go
through. See Per- and Transient.] Incapable of being passed through.
[R.]
Im`per*turb`a*bil"i*ty (?), n. The state or quality of being
imperturbable. [1913 Webster]
Im`per*turb"a*ble (?), a. [L. imperturbabilis; pref. im- not +
perturbare to disturb: cf. F. imperturbable. See Perture.] Incapable of
being disturbed or disconcerted; as, imperturbable gravity.
Im`per*turb"a*bly, adv. In an imperturbable manner; calmly. C. Bronté.
Im*per`tur*ba"tion (?), n. [L. imperturbatio.] Freedom from agitation
of mind; calmness; quietude. W. Montagu.
Im`per*turbed" (?), a. Not perturbed.
Im*per`vi*a*bil"i*ty (?), n. The quality of being imperviable.
Im*per"vi*a*ble (?), a. Not pervious; impervious. [R.] --
Im*per"vi*a*ble*ness, n. [R.]
Im*per"vi*ous (?), a. [L. impervius; pref. im- not + per through + via
way. See Voyage.] Not pervious; not admitting of entrance or passage
through; as, a substance impervious to water or air.
This gulf impassable, impervious.
Milton.
The minds of these zealots were absolutely impervious.
Macaulay.
Syn. -- Impassable; pathless; impenetrable; imperviable; impermeable.
-- Im*per"vi*ous*ly, adv. -- Im*per"vi*ous*ness, n.
Im"per*y (?), n. Empery. [Archaic] Joye.
Im*pest" (?), v. t. To affict with pestilence; to infect, as with
plague. [Obs.]