# if that's not

> English word · Phrase

## Definitions
1. Expresses that something is obviously a genuine instance of something else.

## Etymology
Shortened from if that's not ___, I don't know what is! or similar construction.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/if-that-s-not