n. 25B6; adjective
the good were returned as imperfect : FAULTY, flawed, defective, shoddy, unsound, inferior, second-rate, below standard, substandard; damaged, blemished, torn, broken, cracked, scratched; informal not up to scratch, tenth-rate, crummy; Brit. informal duff.
an imperfect form of the manuscript : INCOMPLETE, unfinished, half-done; unpolished, unrefined, rough.
she spoke imperfect Arabic : BROKEN, faltering, halting, hesitant, rudimentary, limited.
flawless.