Synonyms for slime Found 8 synonyms across 1 meaning for “slime”. any thick, viscous matter (noun) sludgegoogoopgookguckgunkmuckooze Explore Related Words Rhymes with slimeSynonyms for sludgeSynonyms for gooSynonyms for goopSynonyms for gookSynonyms for guck Synonym Finder | Rhyme Finder | Poetry Editor