いじわる意地悪ijiwaru
1.
A behavior characterized by intentionally causing distress or discomfort to others, often for one's own amusement or satisfaction.
2.
An attitude that involves being unkind or unfriendly, particularly through teasing, mean remarks, or actions meant to upset someone.
3.
A disposition marked by a tendency to act in a spiteful or malevolent manner, seeking to make situations difficult or painful for others.
4.
The act of deliberately undermining someone's happiness or success, often manifesting through sarcasm, ridicule, or spiteful actions.
Example:
彼女の意地悪な言葉は結局自分の身に跳ね返ってきた。