2
: of, relating to, or constituting a cause
the causal agent of a disease
3
: involving causation or a cause : marked by cause and effect
a causal link
evidence suggests that there is a strong causal relationship between an individual's experiences with his parents and his later capacity to make affectional bonds—
G. A. Miller
G. A. Miller4
: arising from a cause
a causal development
Examples of causal in a Sentence
No causal connection between the events was found.
There is a causal link between poverty and crime.
Recent Examples on the Web
Executive Summary The causal pathways that could lead from potential tariff hikes to negative growth are not (yet) showing signs of activation.
—George Calhoun, Forbes.com, 17 July 2025
In 2023, the FDA reviewed research suggesting a possible link between erythritol and cardiovascular events but concluded that the observational studies did not prove a causal relationship.
—Lucy Notarantonio, MSNBC Newsweek, 15 July 2025
While daily, causal white garments are easy to maintain yourself at home, there may come a few times when seeking professional help is warranted for special white garments.
—Ashlyn Needham, Southern Living, 12 July 2025
Krzyzanowski added that because this was an observational study, the researchers couldn't make causal conclusions about the results.
—Melissa Rudy, FOXNews.com, 30 June 2025
See All Example Sentences for causal
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George Calhoun, Forbes.com, 17 July 2025
In 2023, the FDA reviewed research suggesting a possible link between erythritol and cardiovascular events but concluded that the observational studies did not prove a causal relationship.
—Lucy Notarantonio, MSNBC Newsweek, 15 July 2025
While daily, causal white garments are easy to maintain yourself at home, there may come a few times when seeking professional help is warranted for special white garments.
—Ashlyn Needham, Southern Living, 12 July 2025
Krzyzanowski added that because this was an observational study, the researchers couldn't make causal conclusions about the results.
—Melissa Rudy, FOXNews.com, 30 June 2025
See All Example Sentences for causal
Cite this Entry
“Causal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/causal. Accessed 29 Jul. 2025.
Copy CitationKids Definition
causal
adjective
caus·al
ˈkȯ-zəl 
: of, relating to, or being a cause
Legal Definition
causal
adjective
caus·al
ˈkȯ-zəl
1
: of, relating to, or constituting a cause
causal negligence
2
: involving causation or a cause
no causal relationship between driving without insurance and the accident—National Law Journal
National Law Journala causal link exists between the deceptive act and the injury—National Law Journal
National Law Journal3
: arising from a cause
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