A situation that causes difficulty or problems.
There was trouble brewing among the workforce.
A situation that could lead to criticism or punishment.
When she saw the teacher coming she knew she was in big trouble.
A situation that is hard to deal with or unsafe.
A yachtsman got into trouble off the coast and had to be rescued.
A situation involving anger or violence.
He had to throw out a few drunks who were causing trouble in the bar.
Illness or physical discomfort.
He suffers from heart trouble.
An issue with a device or vehicle.
My car's been having engine trouble.
The need to make an extra effort.
Nothing is ever too much trouble for her.
To cause someone to worry or be concerned.
This report raises numerous troubling questions.
To disturb someone in order to ask something.
Sorry to trouble you, but could you tell me the time?
To make an effort to do something.
He rushed into the room without troubling to knock.
To cause pain or discomfort.
He has been troubled with a knee injury.