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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Pulling weeds has to be one of the—if not the—worst household chores there is. Brittney Morgan, Better Homes & Gardens, 9 Feb. 2025 And if not—if handedness is innate, its source in our genes—why did none of my left-handed mother’s and aunt’s children—eight of them—share the trait? Megan Marshall, The New Yorker, 8 Feb. 2025 That this is all happening in an administration and in the name of a party with the gall to call themselves conservative is tragically hilarious, if not hilariously tragic. New York Daily News Editorial Board, New York Daily News, 8 Feb. 2025 Always, remember that our fear can be bigger than life itself and can be paralyzing if not managed. Sandy Thibault, Twin Cities, 7 Feb. 2025 See all Example Sentences for if not 

Dictionary Entries Near if not

Cite this Entry

“If not.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/if%20not. Accessed 12 Feb. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!