Synonyms for meth Found 11 synonyms across 1 meaning for “meth”. an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride (noun) methamphetaminemethedrinedeoxyephedrinechalkcrankglassiceshabutrash Explore Related Words Rhymes with methSynonyms for methamphetamineSynonyms for methedrineSynonyms for deoxyephedrineSynonyms for chalkSynonyms for crank Synonym Finder | Rhyme Finder | Poetry Editor