KIDDO Antonyms There are 9 antonyms of the word kiddo. (opposite meanings)Did you mean?Definition of KIDDOAlso try opposite words for..kiddosBest Opposite Words For KIDDOTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1adultnoun, adjectiven, adj2ancientadjectiveadj3eldernoun, adjectiven, adj4elderlyadjectiveadj5geriatricnoun, adjectiven, adj6maturenoun, adjectiven, adj7old-timernounn8seniornoun, adjectiven, adj9senior citizennounn Alternatives for ADULT Words (16)full-grownadultdevelopedelderestablishedexperiencedmatureseniorbiggrownuppornographicbluegrownindecentobscenesalaciousPhrases (1)fully grownOpposite words for adult Alternatives for ANCIENT Words (20)agedantiquehoaryancientantiquatedarchaicbygoneobsoleteoldoldenoutdatedoutmodedprehistoricprimitivevenerableantediluvianforerunnergeriatricoldsterantecessorPhrases (1)senior citizenOpposite words for ancient Alternatives for ELDER Words (19)senioragedancientelderlyoldermatureageingagingantiquatedelderstwhileforerunnerformerobsoleteone-timeoutdatedpastantecessormzeePhrases (4)senior citizenblack elderelderberry bushof ageAbbreviations (1)sr.Opposite words for elder Alternatives for ELDERLY Words (7)agedolderseniorelderlygeriatricmatureoldOpposite words for elderly Alternatives for GERIATRIC Words (8)agedelderlygrey-hairedoldseniorgerontologicalhoaryoldsterOpposite words for geriatric Alternatives for MATURE Words (16)adultripedevelopedfull-grownseasonedagegrowripendevelopmaturateprogressfledgedgrownmaturedsenescesuppuratePhrases (2)grow upget onOpposite words for mature Alternatives for OLD-TIMER Words (8)oldtimerantiquegaffergeriatricoldsterstagerveteranwarhorsePhrases (4)old geezerold handold stagersenior citizenOpposite words for old-timer Alternatives for SENIOR Words (23)agedelderlyolderadvancedancientantiqueexperiencedgrey-hairedgrizzledhoarylong-livedmatureoldold-fashionedold-timeroldishpatriarchalseasonedvenerableveteranelderfourth-yeargeriatricPhrases (1)senior citizenOpposite words for senior