imperfect Definition

imperfect
adj

1. Having faults; spoilt.

Thesaurus: impaired, faulty, marred, defective, broken, damaged.
2. Lacking the full number of parts; incomplete or unfinished.

Thesaurus: incomplete, limited, unfinished.
3. grammar.
Said of the tense of a verb: expressing a continuing state or incomplete action in the past.
4. music.
Said of a chord, interval, etc: diminished (see under diminish); reduced by a semitone. Compare perfect.

noun

1a. The imperfect tense;
1b. A verb in the imperfect tense. Compare past, present, perfect, pluperfect, future.

Derivative: imperfection
noun

A fault or flaw
Thesaurus: defect, flaw, inadequacy, weakness, deficiency, blemish, insufficiency, failing.

Derivative: imperfectly
adverb

Etymology: 14c: from French imparfait, from Latin imperfectus.