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Definition of randomness

randomness

/ˈræn.dəm.nəs/
ran · dom · ness

Adverb:randomly
•
Adjective:random
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randomness Lexical Profile

randomness Game Scores & Validity

• noun

1

The quality or state of lacking a definite pattern, purpose, or predictability in events or outcomes.

Example

"The inherent randomness of genetic mutations plays a major role in evolutionary biology."


2

In statistics and probability, the property of a sequence or sample in which each item or outcome has a purely probabilistic chance of occurring without deterministic correlation to previous outcomes.

Example

"Modern cryptographic systems rely on true hardware randomness to generate secure encryption keys."

Synonyms
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Antonyms
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• Rhymes for randomness

Word Origin & Etymology

Formed in English from the adjective 'random' plus the abstract noun suffix '-ness'. The root 'random' comes from Old French 'randon' (meaning 'great speed or impetuosity'), derived from the verb 'randir' ('to run fast').

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Randomness. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/randomness
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