cer·​tain·​ly | \ ˈsər-tᵊn-lē How to pronounce certainly (audio) \

Definition of certainly

1 : in a manner that is certain : with certainty
2 : it is certain that : assuredly

Examples of certainly in a Sentence

It will certainly rain tomorrow. This year's festival was certainly much better than last year's. I'm certainly going to try. The new version is most certainly easier to use. The snake that bit her was almost certainly poisonous.
Recent Examples on the Web Recessions force families to cut big-ticket items from their budgets, and annual vacations to Orlando and Anaheim certainly qualify. Ryan Faughnder, Los Angeles Times, 2 Aug. 2022 But that new name will almost certainly still contain the word monkeypox. Helen Branswell, STAT, 2 Aug. 2022 And while the Fed is certainly thinking about how to avoid a recession, fighting inflation remains the top priority. Tristan Bove, Fortune, 1 Aug. 2022 Bill Russell would never blend in anywhere, and certainly not in his green polo shirt at a Lakers event. Tania Ganguli, New York Times, 1 Aug. 2022 Investors are certainly throwing enough money at them. Hiawatha Bray, BostonGlobe.com, 1 Aug. 2022 The signs are still a little murky and certainly open to interpretation. Margaret Sullivan, Washington Post, 1 Aug. 2022 While the lounge can certainly sleep a person or two, there’s a dedicated area above the vehicle’s seats that has more than enough room for a queen-size bed. Bryan Hood, Robb Report, 1 Aug. 2022 Eternity Wars certainly seems like a post-Phase-6 adventure. Chris Smith, BGR, 1 Aug. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'certainly.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of certainly

14th century, in the meaning defined at sense 1

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The first known use of certainly was in the 14th century

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Last Updated

5 Aug 2022

Cite this Entry

“Certainly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/certainly. Accessed 10 Aug. 2022.

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More Definitions for certainly


cer·​tain·​ly | \ ˈsər-tᵊn-lē How to pronounce certainly (audio) \

Kids Definition of certainly

1 : without fail I will certainly help.
2 : without doubt You certainly don't look your age.

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