/ Thesaurus / E Synonyms of exceedance Find synonyms for: Noun1. exceedance, probability, chanceusage: (geology) the probability that an earthquake will generate a level of ground motion that exceeds a specified reference level during a given exposure time; "the concept of exceedance can be applied to any type of environmental risk modeling"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language