Synonyms for sixer Found 10 synonyms across 1 meaning for “sixer”. the cardinal number that is the sum of five and one (noun) six6visisesextetsestetsextuplethexad Explore Related Words Rhymes with sixerSynonyms for sixSynonyms for 6Synonyms for viSynonyms for siseSynonyms for sextet Synonym Finder | Rhyme Finder | Poetry Editor