immature - English Synonyms Dictionary

immature

adj.
[1] premature , undeveloped , unripe , rudimentary , half-grown , unformed , unfledged , fledgling , unfinished , young , new , fresh , incomplete
[2] green , young , callow , unsophisticated , naive , jejune , inexperienced , babyish , childish , childlike , puerile , juvenile , raw , (Colloq) wet behind the ears
[3] green , unripe , unripened
[4] unfledged