SIXTYISH Antonyms There are 10 antonyms of the word sixtyish. (opposite meanings)Did you mean?Definition of SIXTYISHAlso try opposite words for..sixtyBest Opposite Words For SIXTYISHTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1adolescentnoun, adjectiven, adj2boyishadjectiveadj3childishadjectiveadj4girlishadjectiveadj5immatureadjectiveadj6juvenilenoun, adjectiven, adj7teenageadjectiveadj8teenagedadverb, adjectiveadv, adj9youngadjectiveadj10youthfuladjectiveadj Alternatives for ADOLESCENT Words (8)teenjejunejuvenilepuerilestriplingteenageteenagedteenagerOpposite words for adolescent Alternatives for BOYISH Words (12)adolescentbuoyantchildishimmaturelivelyspiritedsprightlyteenageyoungyouthfulboylikeschoolboyishOpposite words for boyish Alternatives for CHILDISH Words (13)infantileimmaturejuvenilepuerilesillybabyishfoolishinexperiencedinnocentnaivechildlyunbecomingkiddishOpposite words for childish Alternatives for GIRLISH Words (11)coquettishcoydaintydelicatedemurefemininekittenishladylikewinsomeflirtyschoolgirlishOpposite words for girlish Alternatives for IMMATURE Words (7)greeninfantilemilkyunfledgedunripeunripenedyoungOpposite words for immature Alternatives for JUVENILE Words (13)adolescentchildishchildlikeminorpubescentteenteenageyoungyouthfulpuerileinfantjejunemilkyPhrases (1)juvenile personOpposite words for juvenile Alternatives for TEENAGE Words (6)adolescentjuvenileyoungyouthteenteenagedOpposite words for teenage Alternatives for TEENAGED Words (7)adolescentjuvenilepubescentyoungyouthfulteenteenageOpposite words for teenaged