a. | 1. | Not mature; unripe; not arrived at perfection of full development; crude; unfinished; |
2. | Premature; untimely; too early; |
Adj. | 1. | immature - characteristic of a lack of maturity; "immature behavior" Antonyms: mature - characteristic of maturity; "mature for her age" |
2. | immature - lacking in development; "immature plans"; "an unformed character" Synonyms: unformed | |
3. | immature - (used of living things especially persons) in an early period of life or development or growth; "young people" Synonyms: young | |
4. | immature - not fully developed or mature; not ripe; "unripe fruit"; "fried green tomatoes"; "green wood" | |
5. | immature - not yet mature Antonyms: mature - having reached full natural growth or development; "a mature cell" | |
6. | immature - (of birds) not yet having developed feathers; "a small unfledged sparrow on the window sill" Synonyms: unfledged |