wrongmindedness noun2 •The state or quality of being wrongminded; mistaken reasoningNo doubt he thought he had critically exposed its wrongmindedness and destroyed its claims to acceptance as a serious or coherent theory of law. — 2013 •Corruption; the state or quality of being evil or wrongminded.If someone attributes these miracles to Beelzebub's spirit, not through ignorance but through malice, his wrongmindedness is past hope. — 1988