SMOLTS Antonyms There are 2 antonyms of the word smolts. (opposite meanings)Did you mean?Definition of SMOLTSAlso try opposite words for..smoltBest Opposite Words For SMOLTSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1adultsnounn2big fishnounn Alternatives for ADULTS Words (18)full-grownexperiencedknowledgeablematuredresponsibleripeseasonedwiseeldersgrownupsguardiansoldstersparentsseniorsgrownupbiggrownpornographicPhrases (1)fully grownOpposite words for adults