Definitions

1. noun

A sign or signal that indicates the presence or amount of something, especially a quantity or a quality.

“The doctor used an indicator to measure the patient’s temperature.”

2. noun

A device or system that shows the state of something, especially a machine or a process.

“The car’s dashboard had a fuel indicator that displayed the level of gas in the tank.”

3. verb

To show or indicate something, especially to signal a change or a state.

“The company’s financial indicator showed a decline in profits.”

4. adjective

Used to describe something that shows or indicates a quality or a state.

“The indicator lights on the dashboard of the car indicated a problem with the engine.”