backup beeper

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. An [[alarm]] that [[sound]]s when a [[vehicle]] is moving in [[reverse]], to [[warn]] [[pedestrian]]s.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.