Troublesome
Definitions
Causing difficulty, annoyance, or distress.
Difficult to deal with, manage, or control.
Examples
The troublesome child refused to follow the teacher's instructions during the lesson.
Fixing the leaky pipe proved to be a troublesome task that took all afternoon.
Synonyms
annoying bothersome difficult vexing burdensome irksome problematic
Antonyms
agreeable helpful easy convenient pleasant simple accommodating