cau·​sal·​i·​ty | \ kȯ-ˈza-lə-tē How to pronounce causality (audio) \
plural causalities

Definition of causality

1 : a causal quality or agency
2 : the relation between a cause and its effect or between regularly correlated events or phenomena

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Examples of causality in a Sentence

Scientists found no causality between the events. a supreme being is a being that, by definition, has no causality of its own
Recent Examples on the Web Even more complicated is the time causality element. Michael Feindt, Forbes, 26 May 2021 Yet another causality of COVID-19 was Brooklyn’s new Safety Town program, which a year after it was supposed to debut will come to fruition this summer. John Benson, cleveland, 31 Mar. 2021 The new film is about fatherhood and grief, but it’s also about control, causality, male fragility masked as strength, childhood trauma, the vacuum where God used to be in modern secular society and lots and lots of guns. Jessica Kiang, Rolling Stone, 14 May 2021 This belief is a manifestation of hindsight bias and the false belief in linear causality. Shem Malmquist, Wired, 24 Apr. 2021 Hawking subtly redefined it, thinking of it as a boundary between two realms—an interruption in causality. James Gleick, The New York Review of Books, 13 Apr. 2021 This preserves causality and enables reliable computation. James Gleick, The New York Review of Books, 13 Apr. 2021 Despite being closed for more than a year, Los Angeles group fitness studio LIT Method is the opposite of a COVID causality. Jennifer Van Grove, San Diego Union-Tribune, 30 Mar. 2021 Beyond that, assuming causality is simply part of human nature. Damian Scalerandi, Forbes, 12 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'causality.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of causality

1603, in the meaning defined at sense 1

History and Etymology for causality

borrowed from Medieval Latin causālitāt- causālitās, from Late Latin causālis causal + Latin -itāt-, -itās -ity

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Learn More about causality

Time Traveler for causality

Time Traveler

The first known use of causality was in 1603

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Statistics for causality

Last Updated

3 Jun 2021

Cite this Entry

“Causality.” Dictionary, Merriam-Webster, Accessed 15 Jun. 2021.

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More Definitions for causality



English Language Learners Definition of causality

: the relationship between something that happens or exists and the thing that causes it
: the idea that something can cause another thing to happen or exist


cau·​sal·​i·​ty | \ kȯ-ˈza-lə-tē How to pronounce causality (audio) \
plural causalities

Legal Definition of causality

: the relationship between cause and effect


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