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.
Takeaway number 2, then, is that Valve is definitely committed to getting SteamOS supported on Nvidia hardware —work that will likely benefit the entire Linux gaming system and the open-source community. Jason Evangelho, Forbes, 15 Jan. 2025 At this point, that secret is definitely more secure than the secret of At Attin. Dalton Ross, EW.com, 15 Jan. 2025 Hamburger rice casserole is definitely a comfort meal! Craig Ruff, Southern Living, 14 Jan. 2025 Ugg Tasman Slippers The Ugg Tasman slippers are definitely a favorite for this shopping writer, thanks to their cozy fleece lining and soft suede finish. Gabriella Maestri, Travel + Leisure, 14 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 22 Jan. 2025.

More from Merriam-Webster on definitely

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!