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Synonyms

certitude

American  
[sur-ti-tood, -tyood] / ˈsɜr tɪˌtud, -ˌtyud /

noun

  1. freedom from doubt, especially in matters of faith or opinion; certainty.

    Synonyms:
    belief, conviction, assurance

certitude British  
/ ˈsɜːtɪˌtjuːd /

noun

  1. confidence; certainty

"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

Other Word Forms

Derived Forms

Etymology

Origin of certitude

1375–1425; late Middle English < Late Latin certitūdō, equivalent to Latin certi- (combining form of certus sure; see certain) + -tūdō -tude

Explanation

If you're absolutely convinced your team is going to the Super Bowl, you state it with certitude or confidence. Your team didn't make it? Oh dear, you were guilty of certitude — an absolute conviction that the outcome of the game did not support. In other words, you were a tad cocky. Certitude is very similar to certainty, and often used interchangeably, but there's a hint of danger about certitude; someone who displays it may well be overconfident. Certainty is more certain.

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Vocabulary lists containing certitude

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.

Last week the Economist, a publication with a long and spotty track record of declarative certitude in the face of unpredictability, announced that the war was an American failure.

From The Wall Street Journal • Mar. 30, 2026

America, you’re a big, boisterous nation of more than 342 million people, with all sorts of competing impulses and interests, and no end of certitude to go around.

From Los Angeles Times • Jul. 4, 2025

It's in that space of theological certitude where Vance's apparent lack of spiritual struggle really stands out.

From Salon • May 23, 2025

I think real historians look at the judiciary with shock to see that we think history has such certitude.

From Slate • May 14, 2024

But his tone lacked the certitude she was used to.

From "Half of a Yellow Sun" by Chimamanda Ngozi Adichie

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