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Definition of variability

variability

/ˌvɛr.i.əˈbɪl.ə.ti/
va · ri · a · bil · i · ty
Adverb:variably
•
Plural:variabilities
•
Adjective:variable
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variability Lexical Profile

variability Game Scores & Validity

• noun

1

The quality or fact of being subject to change, fluctuation, or lack of consistency.

Example

"Farmers in the region must adapt to the extreme variability of seasonal rainfall."

2

In statistics, the extent to which data points in a distribution diverge from the average value and from each other.

Example

"Standard deviation is a widely used measure of variability within a dataset."

3

In biology, the tendency of individual genetic or phenotypic characteristics within a species or population to differ from one another.

Example

"High genetic variability helps a wild population survive new environmental pressures and diseases."

Synonyms
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Antonyms
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• Rhymes for variability

• Nearby Words

varanasi
vardar
varese
variability
variable
variable bush viper
variableness

Word Origin & Etymology

Formed in the 18th century from 'variable' and the noun suffix '-ity', ultimately tracing back to the Latin verb 'variare' (to change or diversify).

Cite this Entry

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