1. [ adjective ] not perfect; defective or inadequate

"had only an imperfect understanding of his responsibilities" "imperfect mortals" "drainage here is imperfect"

Related terms: perfect defective broken corrupt blemished broken blemished perfection
2. [ adjective ] having the attributes of man as opposed to e.g. divine beings
Synonyms: weak frail fallible

"I'm only human" "frail humanity"

Related terms: human
3. [ noun ] (grammar) a tense of verbs used in describing action that is on-going
Synonyms: progressive_tense imperfect_tense continuous_tense progressive
Related terms: tense future_progressive past_progressive present_progressive
Similar spelling:   imperfectly