BABY Antonyms There are 4 antonyms of the word baby. (opposite meanings)Did you mean?Definition of BABYAlso try opposite words for..babiesbabyingbabyishbabyhoodBest Opposite Words For BABYTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1adultnoun, adjectiven, adj2elderlyadjectiveadj3maturenoun, adjectiven, adj4seniornoun, adjectiven, adj Alternatives for ADULT Words (16)full-grownadultdevelopedelderestablishedexperiencedmatureseniorbiggrownuppornographicbluegrownindecentobscenesalaciousPhrases (1)fully grownOpposite words for adult Alternatives for ELDERLY Words (7)agedolderseniorelderlygeriatricmatureoldOpposite words for elderly Alternatives for MATURE Words (16)adultripedevelopedfull-grownseasonedagegrowripendevelopmaturateprogressfledgedgrownmaturedsenescesuppuratePhrases (2)grow upget onOpposite words for mature Alternatives for SENIOR Words (23)agedelderlyolderadvancedancientantiqueexperiencedgrey-hairedgrizzledhoarylong-livedmatureoldold-fashionedold-timeroldishpatriarchalseasonedvenerableveteranelderfourth-yeargeriatricPhrases (1)senior citizenOpposite words for senior