Synonyms for sap Found 10 synonyms across 3 meanings for “sap”. a person who lacks good judgment (noun) foolsapheadmugginstomfool a piece of metal covered by leather with a flexible handle (noun) blackjackcosh deplete (verb) exhausttire Explore Related Words Rhymes with sapSynonyms for foolSynonyms for sapheadSynonyms for mugginsSynonyms for tomfoolSynonyms for blackjack Synonym Finder | Rhyme Finder | Poetry Editor