# under the radar

> English word · Prep_phrase

## Definitions
1. Without attracting notice; in an undetected or secretive manner.

## Etymology
An allusion to flying an airplane at an altitude too low for radar detection.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/under-the-radar
