wrong·head·ed /ˌrɒŋˈhedɪd◂ $ ˌrɒːŋ-/ adjectiveadj WRONG/INCORRECTused to describe an idea, plan, or belief that someone has, that is based on wrong ideas that they are not willing to change 坚持错误的,执迷不悟的
—wrongheadedly adverbadv
—wrongheadedness noun [uncountableU]