certainly

adverb

cer·​tain·​ly ˈsər-tᵊn-lē How to pronounce certainly (audio)
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
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That was certainly part of the conversation when the team, after losing Joe Musgrove to Tommy John surgery, talked with Morejón in November to assess and discuss options for 2025. Jeff Sanders, San Diego Union-Tribune, 18 Mar. 2025 When Lady Gaga releases a new album, the world pays attention, and that has certainly been the case with Mayhem. Hugh McIntyre, Forbes, 18 Mar. 2025 If not in a particular country, then certainly there's a legat that has responsibility for that particular country, for instance Turks and Caicos. Peter D'abrosca, Fox News, 17 Mar. 2025 There could be a few spots available, but Lynch is certainly in a good spot. Jaylon Thompson, Kansas City Star, 17 Mar. 2025 See All Example Sentences for certainly

Word History

First Known Use

14th century, in the meaning defined at sense 1

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

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Cite this Entry

“Certainly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/certainly. Accessed 24 Mar. 2025.

Kids Definition

certainly

adverb
cer·​tain·​ly ˈsərt-ᵊn-lē How to pronounce certainly (audio)
1
: in a manner that is certain : for certain
the only event of which anything is certainly known
2
: without doubt : surely
certainly you can do it

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