FECKLESS Synonyms: 35 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/feckless
WEBSynonyms for FECKLESS: unsuccessful, inefficient, ineffectual, counterproductive, ineffective, worthless, useless, pointless; Antonyms of FECKLESS: effective, efficient, expedient, efficacious, effectual, successful, operant, useful.
DA: 74 PA: 21 MOZ Rank: 20