1. Fraught with difficulty or many problems: The people were trying to survive during the troublous times of war.
2. Regarding something full of uneasiness or anxiety: Inflation in a country is a very troublous issue.
3. Turbulent; stormy: The sea was in such a troublous state that the ship didn't set sail that day.
3. Concerning something that causes disturbance; restless: Troublous thoughts and worries were plaguing him so much that he couldn't sleep.