adjective
Synonyms: young 1, callow, green, immature, infant, juvenile, unfledged, unripe, youthful
Contrasted words: developed, matured, ripened
Antonyms: mellow, mellowed
adjective
Synonyms: young 1, callow, green, immature, infant, juvenile, unfledged, unripe, youthful
Contrasted words: developed, matured, ripened
Antonyms: mellow, mellowed
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003