unfoul /ʌnˈfaʊl/adjective 1verb 1forms 5 adjective1 •Not foul; fair. verb1 •To free (something snagged or fouled).‘We've lost quite a few men,’ the old man says as he energetically unfouls his rifle and carefully loads it with black powder that he extracts from a horn. — 1984 formsunfouled · unfouling · unfouls · more unfoul · most unfoul