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Word of the Day Tuesday, June 9, 2026

factorially

/ˌfæktəriˈɪli/ adverb · British & US
Valid in UK
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What does factorially mean?

adverb

Used to describe something that is calculated or determined by the factorial of a number, especially a large number. Factorially is often used to describe a very large or infinite number.

Example

"The number of possible permutations of the deck is factorially large, making it impossible to calculate exactly."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for factorially

Antonyms of factorially

Rhymes with factorially

Etymologically related