/ Thesaurus / I Synonyms of incessancy Find synonyms for: Noun1. continuousness, ceaselessness, incessancy, incessantness, endlessnessusage: the quality of something that continues without end or interruptionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language