ETYM Latin immaturus; pref. im- not + maturus mature, ripe. Related to Mature.
1. Characteristic of a lack of maturity.
2. Lacking in development; SYN. unformed.
3. Not yet mature.
ETYM Latin imperfectus: pref. im- not + perfectus perfect: cf. F imparfait, whence Old Eng. imparfit. Related to Perfect.
Not perfect; defective or inadequate.
ETYM Latin incompletus: cf. French incomplet. Related to In- not, and Complete.
1. Not yet finished; SYN. uncompleted.
2. Not complete or total; not completed; SYN. uncomplete.
3. (Botany) Lacking one or more of the four whorls of the complete flower--sepals or petals or stamens or pistils.
(Of horses) Disabled in the feet or legs; SYN. spavined.
Not accomplished or performed; unfinished; also, deficient in accomplishment; unrefined.