LASTBORN Antonyms There are 3 antonyms of the word lastborn. (opposite meanings)Did you mean?Definition of LASTBORNSynonyms of LASTBORNAlso try opposite words for..lastbornsBest Opposite Words For LASTBORNTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1eldestadjectiveadj2firstbornnoun, adjectiven, adj3oldestadjectiveadj Alternatives for ELDEST Words (15)firstbornsenioroldestagedageingagingancientantiquatedelderlyerstwhileformerobsoleteone-timeoutdatedpastPhrases (1)of ageOpposite words for eldest Alternatives for FIRSTBORN Words (11)eldestchiefforemostheadinitialleadingmainpremiereprimaryprimeprincipalOpposite words for firstborn Alternatives for OLDEST Words (37)agedancientelderlyantiquearchaiceldermatureprimordialvenerableerstwhileformerone-timeageingagingantiquatedbang-upbullycorkingcrackingdandygreatgroovykeenneatniftyobsoleteolderonetimeoutdatedpastpeachypreviousquondamslap-upsmashingsometimeswellPhrases (2)not badof ageOpposite words for oldest