IMPOSSIBLE Synonyms: 70 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/impossible
WEBSynonyms for IMPOSSIBLE: unlikely, hopeless, problematical, problematic, impractical, futile, unattainable, incredible; Antonyms of IMPOSSIBLE: possible, feasible, workable, achievable, reasonable, useful, attainable, practical
DA: 14 PA: 24 MOZ Rank: 60