Breadcrumb Home > Thesaurus > S Synonyms of seism Find synonyms for: Noun 1. earthquake, quake, temblor, seism, geological phenomenon usage: shaking and vibration at the surface of the earth resulting from underground movement along a fault plane of from volcanic activity WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of seism (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: frisson Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language