/ Thesaurus / F Synonyms of fecklessly Find synonyms for: Adverb1. ineptly, fecklesslyusage: with ineptitude; in an incompetent manner; "he performed his functions ineptly"2. fecklesslyusage: in a feckless manner; irresponsibly and incompetentlyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: mongrel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language