YOUNGSTER Antonyms There are 5 antonyms of the word youngster. (opposite meanings)Did you mean?Definition of YOUNGSTERSynonyms of YOUNGSTERAlso try opposite words for..youthyouthsyounglyyoungstersyouthfulnessBest Opposite Words For YOUNGSTERTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1adultnoun, adjectiven, adj2eldernoun, adjectiven, adj3grownupnoun, adjectiven, adj4seniornoun, adjectiven, adj5oldsternounn Alternatives for ADULT Words (16)full-grownadultdevelopedelderestablishedexperiencedmatureseniorbiggrownuppornographicbluegrownindecentobscenesalaciousPhrases (1)fully grownOpposite words for adult Alternatives for ELDER Words (19)senioragedancientelderlyoldermatureageingagingantiquatedelderstwhileforerunnerformerobsoleteone-timeoutdatedpastantecessormzeePhrases (4)senior citizenblack elderelderberry bushof ageAbbreviations (1)sr.Opposite words for elder Alternatives for GROWNUP Words (13)adultfull-growndevelopedelderlyestablishedexperiencedmaturematuredresponsibleseasonedseniorbiggrownPhrases (1)fully grownOpposite words for grownup Alternatives for SENIOR Words (23)agedelderlyolderadvancedancientantiqueexperiencedgrey-hairedgrizzledhoarylong-livedmatureoldold-fashionedold-timeroldishpatriarchalseasonedvenerableveteranelderfourth-yeargeriatricPhrases (1)senior citizenOpposite words for senior Alternatives for OLDSTER Words (1)geriatricPhrases (3)senior citizengolden agerold personOpposite words for oldster