1. things that show or point to the state or level of something
Usage: plural of indicator
2. devices or instruments that display information about the condition or performance of something
Usage: technical
3. flashing lights on vehicles used to show the direction of a turn
Usage: British English; automotive

Examples

• Economic indicators suggest the country is recovering from recession.
• The dashboard indicators showed that the engine was overheating.
• Test scores are important indicators of student progress.
• Don’t forget to use your indicators when changing lanes.
• Health indicators like blood pressure help doctors assess patient condition.
• The fuel indicator warned that the tank was nearly empty.
• Environmental indicators reveal the impact of pollution on wildlife.