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

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And that rushing total would’ve been more if not for those final two carries being Young taking a knee — head coach Dave Canales opted to kneel instead of risking injury on the Panthers’ final drive. Melissa Melvin-Rodriguez, Charlotte Observer, 29 Dec. 2025 From the moment James first meets Samuel West's waspish Siegfried Farnon, the two fall into a jovial (if not always smooth) mentor-mentee humor. Tiffany Kelly, Entertainment Weekly, 29 Dec. 2025 For all its ability to switch to stealth mode and remain unseen for months, refuelling a nuclear submarine is quite a time-consuming process and can take up to three years, if not more. Ameya Paleja, Interesting Engineering, 29 Dec. 2025 Roan is far from the only popular singer to have called out Bardot in song, as an iconic reference, if not necessarily a deeply personal one. Chris Willman, Variety, 29 Dec. 2025 See All Example Sentences for if not

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“If not.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/if%20not. Accessed 4 Jan. 2026.

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