imperfect

adjective

1 the goods were returned as imperfect:

faulty, flawed, defective, shoddy, unsound, unsalable, unsellable, unfit, inferior, second-rate, below par, below standard, substandard;

damaged, impaired, blemished, broken, cracked, torn, scratched, deformed, warped, shabby;

inoperative, malfunctioning, not functioning, not working, out of order, in a state of disrepair;

informal not up to snuff, not up to scratch, tenth-rate, crummy, lousy;

British, informal duff, ropy, rubbish, not much cop.

▷antonyms perfect.

2 the manuscript was published in imperfect form in 1888 and fully in 1947:

incomplete, abridged, not whole, not entire, partial, unfinished, half-done;

deficient, lacking, wanting, unpolished, unrefined, patchy, rough, crude.

▷antonyms complete.

3 she spoke imperfect Arabic:

broken, disjointed, faltering, halting, hesitant, rudimentary, limited, nonfluent, deficient.

▷antonyms perfect, fluent.