Breadcrumb Home > Thesaurus > E Synonyms of eeg Find synonyms for: Noun 1. electroencephalogram, encephalogram, EEG, graph, graphical record usage: a graphical record of electrical activity of the brain; produced by an electroencephalograph WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of eeg (Dictionary) ✖ Related Content Daily Word Quiz: derogate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language