not perfect; defective or inadequate; had only an imperfect understanding of his responsibilities; imperfect mortals; drainage here is imperfect'

a tense of verbs used in describing action that is on-going

[ Syn: progressive , progressive tense , imperfect tense , continuous tense ]

wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings; Im only a fallible human; frail humanity

[ Syn: fallible , frail , weak ]