noun
- a small lever pulled to fire a gun
- something that causes an event or reaction to happen
verb
- to cause something to happen
- to fire a gun by pulling the trigger
Examples
- He pulled the trigger and the gun fired.
- The loud noise was the trigger for her panic attack.
- Stress can trigger headaches in some people.
- The alarm will trigger if someone opens the door.
- The hunter carefully aimed before triggering his rifle.
- Economic uncertainty triggered a stock market decline.
- Certain foods trigger allergic reactions in sensitive individuals.