Synonyms for boner Found 10 synonyms across 1 meaning for “boner”. an embarrassing mistake (noun) blunderblooperbloomerbunglepratfallfoul-upfuckupflubbotchboo-boo Explore Related Words Rhymes with bonerSynonyms for blunderSynonyms for blooperSynonyms for bloomerSynonyms for bungleSynonyms for pratfall Synonym Finder | Rhyme Finder | Poetry Editor