CHILDHOOD Antonyms There are 2 antonyms of the word childhood. (opposite meanings)Did you mean?Definition of CHILDHOODAlso try opposite words for..childchildrenBest Opposite Words For CHILDHOODTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1adulthoodnounn2maturitynounn Alternatives for ADULTHOOD Words (6)maturityadulthoodfull-grownmajoritymanhoodwomanhoodOpposite words for adulthood Alternatives for MATURITY Words (10)adulthoodripenesscompletiondevelopmentexperiencefullnessgrowthresponsibilitywisdommaturenessPhrases (2)due datematurity dateOpposite words for maturity