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!"

Origin and Etymology of definitely

definitely Synonyms



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having an air of easy unconcern

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