imp impact impacted impair impaired impairment impala impale impalpable impart impartial impartiality impassable impasse impassioned impassive impatience impatient impeach impeachment impeccable impeccably impecunious impede impediment impel impending impenetrable imperative imperceptible imperfect imperfection imperial imperialist imperialistic imperil imperious imperishable impermanence impermanent impermeable impersonal impersonate impersonation impersonator impertigo impertinence impertinent imperturbable impervious impetuous impetus impinge impious implacable implant implement implementation implicate implication implicit implicitly implore imploring imply impolite impoliteness imponderable import importance important importation importer importune impose imposing imposition impossibility impossible imposter impostor imposture impotence impotent impound impoverish impracticability impracticable impractical imprecation imprecise imprecision impregnable impregnate impresario impress impressed impression impressionable impressionism impressive imprint imprison imprisonment improbability improbable impromptu improper improper fraction improperly impropriety improve improvement improvident improvisation improvise imprudence imprudent impudence impudent impugn impulse impulsive impulsively impulsiveness impunity impure impurity imputation impute