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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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.
In Congo, vast wealth, much if not most of it accrued from selling off the country’s abundance of natural resources, coincides with crippling poverty. Literary Hub, 22 Jan. 2026 For years, if not decades, officials in Greenland have courted foreign direct investment. Matt Egan, CNN Money, 22 Jan. 2026 Ensure guest rooms are stocked with plenty of extra blankets during the winter and, if not a ceiling fan, a portable fan for the summer to make their sleep environment even more suitable to their preferences. Patricia Shannon, Better Homes & Gardens, 21 Jan. 2026 His lawyers have argued that Gonzales not only followed his training that day but also highlighted that other officers had similar -- if not better -- opportunities to stop the shooter. Peter Charalambous, ABC News, 21 Jan. 2026 See All Example Sentences for if not

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Cite this Entry

“If not.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/if%20not. Accessed 23 Jan. 2026.

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