trouble

A state of distress, affliction, difficulty, or need.

A distressing or difficult circumstance or situation.

A cause or source of distress, disturbance, or difficulty.

Effort, especially when inconvenient or bothersome.

A condition of pain, disease, or malfunction.

Public unrest or disorder.

An instance of this; a disturbance.

Any of various conflicts or rebellions in Ireland or Northern Ireland, especially the period of social unrest in Northern Ireland beginning in 1969.

To afflict with pain or discomfort.