- imperfect - not perfect; defective or inadequate; "had only an imperfect understanding of his responsibilities"; "imperfect mortals"; "drainage here is imperfect"
Antonyms: perfect, clean, clear, cold, complete, consummate, down, down pat, mastered, errorless, faultless, immaculate, impeccable, flawless, unflawed, ideal, idealized, idealised, idyllic, mint, perfectible, pluperfect, uncorrupted, undefiled
- fallible, frail, imperfect, weak - having the attributes of man as opposed to e.g. divine beings; "I'm only human"; "frail humanity"
Antonym: nonhuman (indirect, via human)
- progressive, progressive tense, imperfect, imperfect tense, continuous tense - a tense of verbs used in describing action that is on-going
--1 is a kind of tense
--1 has particulars:present progressive, present progressive tense; past progressive, past progressive tense; future progressive, future progressive tense