Synonyms for slosh Found 8 synonyms across 3 meanings for “slosh”. make a splashing sound (verb) splashsploshslush walk through mud or mire (verb) squelchsquishslop spill or splash copiously or clumsily (verb) Explore Related Words Rhymes with sloshSynonyms for splashSynonyms for sploshSynonyms for slushSynonyms for squelchSynonyms for squish Synonym Finder | Rhyme Finder | Poetry Editor