perversely
🇺🇸
/pərˈvɜːrsli/
🇬🇧
/pəˈvɜːsli/
In a way that is stubbornly wrong or unreasonable, often for the sake of being different.
He perversely refused to wear a helmet, even though it was required for safety.
彼は安全のために必要であったにもかかわらず、逆らってヘルメットを被らなかった。