# Uno reverse card

> English word · Noun

## Definitions
1. A notional card that can suddenly reverse a situation when played.

## Etymology
From the popular card game Uno, which includes a "reverse card" that flips the direction of play. First used in the idiomatic sense around 2018.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/uno-reverse-card