/ Thesaurus / C Synonyms of complex absence Find synonyms for: Noun1. complex absence, absence, absence seizureusage: an absence seizure accompanied by other abnormalities (atonia or automatisms or vasomotor changes)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: torrid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language