UNABLE Synonyms: 56 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/unable
WEBSynonyms for UNABLE: unfit, unfitted, incompetent, incapable, ineligible, unprepared, inexperienced, unskilled; Antonyms of UNABLE: able, capable, competent, skilled, ready, qualified, expert, prepared.
DA: 90 PA: 9 MOZ Rank: 56