if not

idiom

1

—used to talk about the negative result or effect of something

You should study. If not, you won't pass the test.

2

—used to express surprise about meeting someone when it is not expected

So I went to the game and who should I see there if not my old friend Tom!

Examples of if not in a Sentence

Recent Examples on the Web

Indeed, the process of separation was emotionally painful, but the act of living through a strained relationship can be equally, if not more, draining. —Molly Peck, USA TODAY, 17 Dec. 2024

Singing Lin-Manuel Miranda’s original songs — competent if not necessarily enduring — Mufasa (now voiced by Pierre) and Taka (Harrison Jr.) demonstrate a mutual respect for and commitment to one another. —Lovia Gyarkye, The Hollywood Reporter, 17 Dec. 2024

After years of struggling with a major label who just didn't know what to do with a beautiful, multitalented pop star in the making, Tinashe went independent, releasing a steady stream of albums and singles flaunting her critical, if not necessarily commercial, viability. —EW.com, 14 Dec. 2024

The fact that Guardiola signed his new contract in November is as good a guarantee as any that things will turn around, if not necessarily straight away. —Sam Lee, The Athletic, 14 Dec. 2024