Breadcrumb Home > Thesaurus > E Synonyms of encephalitis Find synonyms for: Noun 1. encephalitis, cephalitis, phrenitis, inflammation, redness, rubor usage: inflammation of the brain usually caused by a virus; symptoms include headache and neck pain and drowsiness and nausea and fever (`phrenitis' is no longer in scientific use) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of encephalitis (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: genome Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language