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Certain

/ˈsɜːtn/

Sure about something without any doubt.

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Examples:

I'm certain he's coming today.There's a certain charm in the old town.

Etymology:

Derived from Middle English certeyn, from Old French certain, rooted in Latin certanus meaning determined, fixed, from certus—sure, determined. Evolved to express assurance and absence of doubt.

Usage Statistics:

155 mentions per 1 million words

Very Often

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Certain

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