perversity
🇺🇸
/pərˈvɜːrsəti/
🇬🇧
/pəˈvɜːsəti/
A stubborn insistence on doing something that most people think is wrong or unreasonable.
His perversity led him to make a decision that no one else agreed with.
彼の反道な性格は、誰も同意しなかった決定を下すように導いた。