/ Thesaurus / I Synonyms of inactivity Find synonyms for: Noun1. inaction, inactivity, inactiveness, stateusage: the state of being inactive2. inactiveness, inactivity, inertia, traitusage: a disposition to remain inactive or inert; "he had to overcome his inertia and get back to work"3. inactivity, act, deed, human action, human activityusage: being inactive; being less activeWordNet 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