Meaning & Definition of word "Radar"

Radar

/ˈreɪˌdɑr/

noun:

  • 1. A system that uses radio waves to detect and locate objects such as aircraft or ships.
    • Example: The air traffic control tower uses radar to monitor the movements of planes in the sky.
  • 2. A device or system that analyzes data to track or detect changes, often used metaphorically.
    • Example: He always keeps the latest trends on his radar to stay ahead in the business.
  • 3. The process of discovering or identifying something.
    • Example: Her talent for design was finally on my radar after she submitted her portfolio.

Etymology

Radar is a contraction of the phrase 'Radio Detection and Ranging'.

Common Phrases and Expressions

on the radar:

To be aware of something or someone.

off the radar:

Not visible or not being noticed.

radar screen:

A figurative representation of what is seen or known.

Related Words

sonar:

A system for detecting objects underwater.

detection:

The action or process of identifying the presence of something.

tracking:

The act of following the movement or progress of someone or something.

Slang Meanings of radar

Meaning: To have knowledge or awareness of someone or something.

Example Sentence: He’s on my radar now after that impressive presentation.

Meaning: To be ignored or not taken into consideration.

Example Sentence: She was off my radar ever since the incident last year.