/ Thesaurus / L Synonyms of lackadaisically Find synonyms for: Adverb1. lackadaisicallyusage: in an idle and lackadaisical manner; "he was hanging around the house lackadaisically"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language