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View synonyms for definitely

definitely

[def-uh-nit-lee]

adverb

  1. in a clear and definite manner; unambiguously.

  2. unequivocally; positively.



interjection

  1. (used to express complete agreement or strong affirmation).

    Are you starting your diet tomorrow? Definitely!

definitely

/ ˈdɛfɪnɪtlɪ /

adverb

  1. in a definite manner

  2. (sentence modifier) certainly

    he said he was coming, definitely

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
  1. unquestionably: used to confirm an assumption by a questioner

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of definitely1

First recorded in 1575–85; definite + -ly
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Compare Meanings

How does definitely compare to similar and commonly confused words? Explore the most common comparisons:

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Synonym Study

See clearly.
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

There definitely won't be many goals in this game, but I already know I am going to be wrong about it.

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Hicks said a base deal is “definitely good” for Russian President Vladimir Putin.

“Nothing is lost, even if the number is small, and even if the challenges that we have are definitely big ones.”

Asked whether he would return, he said: "Yes absolutely...I made some friends in the area so will definitely come back."

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"This is definitely not the kind of post we thought we'd write as the holidays approach," L'Escargot Des Grands Crus wrote in a statement announcing the theft on Thursday.

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When To Use

What does definitely mean?

Definitely is an adverb that usually means certainly or without a doubt. It also has this meaning when it’s used as a single-word response.Definitely is also sometimes used as an adverb to describe an action as clearly defined or precise. When definitely is used as a single word in response to a question or other statement, it is called an interjection or sentence substitute. When used this way, it is very similar to saying certainly or absolutely.Example: I will definitely be there tomorrow—I promise.

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definite integraldefinite relative clause