/ Thesaurus / X Synonyms of xtc Find synonyms for: Noun1. Adam, ecstasy, XTC, go, disco biscuit, cristal, X, hug drug, methylenedioxymethamphetamine, MDMAusage: street names for methylenedioxymethamphetamineWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language