Synonyms for plus Found 4 synonyms across 3 meanings for “plus”. a useful or valuable quality (noun) asset the arithmetic operation of summing (noun) summationaddition involving advantage or good (adj) positive Explore Related Words Rhymes with plusSynonyms for assetSynonyms for summationSynonyms for additionSynonyms for positive Synonym Finder | Rhyme Finder | Poetry Editor