PREMATURE Antonyms There are 5 antonyms of the word premature. (opposite meanings)Did you mean?Definition of PREMATUREAlso try opposite words for..prematurelyprematurityprematurenessBest Opposite Words For PREMATURETop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1lateadverb, adjectiveadv, adj2promptverb, adverb, noun, adjectivev, adv, n, adj3timelyadverb, adjectiveadv, adj4on timeadverbadv5full-termadjectiveadj Alternatives for LATE Words (14)belatedlybelateddeepformerfreshlylatelylaterlatterlypreviousrecentrecentlytardilytardyerenowPhrases (1)of lateOpposite words for late Alternatives for PROMPT Words (25)hastyimmediatequicktimelyefficientexpeditiousfastinstantpunctualrapidreadyspeedyswiftactuatecueinciteinspireinstigatemotivatemovepromptingpropelremindstraightawayyarePhrases (2)on timecommand promptOpposite words for prompt Alternatives for TIMELY Words (5)well-timedseasonableaproposopportuneseasonablyPhrases (1)on timeOpposite words for timely Alternatives for FULL-TERM Words (8)adultcompletefinishedfull-growngrownmaturereadyripeOpposite words for full-term