definitely

adverb

def·​i·​nite·​ly ˈde-fə-nit-lē How to pronounce definitely (audio)
ˈdef-nət-
1
: in a definite way : in a way free of all ambiguity, uncertainty, or obscurity
I will definitely be there.
He's very smart and very funny and is definitely a practical actor. He comes to work to get his job done and to make the best movie possible …Anna Kendrick
Omaha is definitely not hip; green-haired XML programmers do not glide past gourmet coffee emporiums on Razor scooters.Adam Rogers
2
a
used in speech as a forceful way of expressing agreement or saying "yes"
"Do you think they'll win?" "Definitely!"
b
used in speech in the phrase definitely not as a forceful way of expressing disagreement or saying "no"
"Do you agree with him?" "Definitely not!"

Examples of definitely in a Sentence

that is definitely the kind of dog we're looking to adopt
Recent Examples on the Web
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.
Your mother was definitely one in her earlier years. Inga, San Diego Union-Tribune, 27 Jan. 2025 Your officiant should definitely know, and the chance of someone hearing about it through the grapevine is fairly high. Erin Clack, People.com, 27 Jan. 2025 There was definitely an element of big brother-little brother to their relationship, with Bowden always pushing up against the limits of Freeman and the school. Ryan Kartje, Los Angeles Times, 27 Jan. 2025 One prison that is definitely not secret is Sednaya, outside Damascus. Jay Nordlinger, National Review, 27 Jan. 2025 See all Example Sentences for definitely 

Word History

Etymology

definite + -ly entry 2

First Known Use

1574, in the meaning defined at sense 1

Time Traveler
The first known use of definitely was in 1574

Dictionary Entries Near definitely

Cite this Entry

“Definitely.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/definitely. Accessed 30 Jan. 2025.

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