BALLAST Antonyms There are 2 antonyms of the word ballast. (opposite meanings)Did you mean?Definition of BALLASTSynonyms of BALLASTBest Opposite Words For BALLASTTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1floatverb, nounv, n2unburdenverbv Alternatives for FLOAT Words (16)driftswimbobbuoyflutterglidehanghoverlevitatemeanderroamsailskatesoarwaftwanderPhrases (7)air bladderbe adriftice-cream floatice-cream sodainitial public offeringplasterer's floatswim bladderOpposite words for float Alternatives for UNBURDEN Words (18)alleviatecleardeliverdisencumberdispeleaseemptyfreeliberatelightenreleaserelieveridunchainunloadunburthenunshackledisburdenPhrases (1)set freeOpposite words for unburden