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

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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.
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Recent Examples on the Web

Judging by the reactions on Twitter to this outage, this is certainly new information to a lot of people. James Vincent, The Verge, "Facebook’s image outage reveals how the company’s AI tags your photos," 3 July 2019 ModCloth will likely be sold this year, these people said, and almost certainly for less than what Walmart paid for it. Jason Del Rey, Vox, "Inside the conflict at Walmart that’s threatening its high-stakes race with Amazon," 3 July 2019 While the governor has made his announcement today, he is certainly allowed to change his mind. Luke Broadwater, baltimoresun.com, "Maryland Gov. Larry Hogan won't release funds for symphony, school construction, Baltimore youth jobs," 3 July 2019 Given some of the lowest unemployment rates in modern American history, this economy seems to be working quite well — certainly for all those willing to work. Dennis Prager, National Review, "Nonsense from the Democrats’ Debates," 2 July 2019 However, Nikon's D7500 is closer to a pro model, and certainly at the intermediate level, including all the features from the base 3500 along with many new ones. Jacob Krol, CNN Underscored, "Here's your guide to finding a DSLR camera that's right for you," 2 July 2019 So, the five men John Calipari picks to start Kentucky’s season opener against Michigan State are almost certainly already on campus. Jon Hale, The Courier-Journal, "Calipari has no shortage of options for picking Kentucky's starting lineup next season," 2 July 2019 This is certainly discrimination against a point of view. WSJ, "Who Knew That One Could Only Knit on the Left Side?," 1 July 2019 While certainly humorous, the practice serves other purposes. Daniel Wolfe, Quartz at Work, "Bon Appétit’s Gourmet Makes is a great way to learn how to be productive at work," 27 June 2019

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.

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First Known Use of certainly

14th century, in the meaning defined at sense 1

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Statistics for certainly

Last Updated

6 Jul 2019

Look-up Popularity

Time Traveler for certainly

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

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More Definitions for certainly



English Language Learners Definition of certainly

: without doubt
: of course


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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characterized by aphorism

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