imperfect
adj.adj. having some faults or mistakes. You use this to describe something that is not exactly right or complete.
adj. containing flaws, defects, or errors; not reaching a standard of excellence or completion. Often used predicatively after linking verbs or attributively to describe objects and systems.
The old vase is imperfect but still very beautiful.
Even an imperfect plan is better than having no plan at all during an emergency.
The witness provided an imperfect account of the events, struggling to recall specific details under the pressure of the cross-examination.
From Middle English imperfit, from Old French imparfit (modern French imparfait), from Latin imperfectus. Spelling modified 15c. to conform Latin etymology. See im- + perfect.
Often follows linking verbs like 'be', 'seem', or 'look'.