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 In my experience — and others’ — this is certainly the case. Sherrie Haynie, Forbes, 3 June 2021 Beyond the fascinating history of this abode, its decor in and of itself is certainly worth admiring. Mary Elizabeth Andriotis, House Beautiful, 3 June 2021 There was little of the genteel Atticus Finch in Mr. Bailey, certainly. BostonGlobe.com, 3 June 2021 That’s certainly been the case in Malawi, says Blessings Chinsinga, a professor of public policy at the University of Malawi’s Chancellor College who studied the country’s agricultural political economy. Jeremy Kahn, Fortune, 2 June 2021 While a Hall of Fame worthy player would certainly be ideal, a team that is made up of smart, reliable, consistent producers can make some noise in the NFL. Omar Kelly, sun-sentinel.com, 2 June 2021 While a successful business is certainly the goal when launching anything new, look for other advantages and opportunities that can make the venture worthwhile. Molly Baker, WSJ, 2 June 2021 Because while there will certainly be tears, there will also be joy — and dancing. Natalie Morin, refinery29.com, 1 June 2021 Rejoining the Paris Climate Accord was certainly a great start on the emissions side. cleveland, 1 June 2021

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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Time Traveler for certainly

Time Traveler

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

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Statistics for certainly

Last Updated

6 Jun 2021

Cite this Entry

“Certainly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/certainly. Accessed 15 Jun. 2021.

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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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