definitely

adverb def·i·nite·ly \ ˈde-fə-nit-lē , ˈdef-nət- \

Definition of definitely

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!"

First Known Use of definitely

1574

in the meaning defined at sense 1

See Words from the same year
NEW! Time Traveler

definitely Synonyms



Seen and Heard

What made you want to look up definitely? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

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

WORD OF THE DAY

investment of mental or emotional energy

Get Word of the Day daily email!

Test Your Vocabulary

Odd Habits and Quirks Quiz

  • image1926873504
  • Which of the following best describes an easily irritated person?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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