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
My group has already developed algorithms that can help with individual tasks, such as weather forecasting, identifying the drivers of global temperature rise or trying to discover causal relationships like the effects of vaccination policies on disease transmission.
—Steve Nadis, Quanta Magazine, 23 Apr. 2025
The current space doesn’t really reflect the causal entrepreneur.
—Lori Weisberg, San Diego Union-Tribune, 11 Apr. 2025
Over decades, researchers have developed biostatistical methods to determine causal relationships from large groups of studies.
—Zoë Schlanger, The Atlantic, 9 Apr. 2025
Domain buying and selling are often seen as causal processes, but stealth domain brokers are experts in acquiring premium domains.
—Michael Gargiulo, Forbes.com, 16 Apr. 2025
See All Example Sentences for causal
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Steve Nadis, Quanta Magazine, 23 Apr. 2025
The current space doesn’t really reflect the causal entrepreneur.
—Lori Weisberg, San Diego Union-Tribune, 11 Apr. 2025
Over decades, researchers have developed biostatistical methods to determine causal relationships from large groups of studies.
—Zoë Schlanger, The Atlantic, 9 Apr. 2025
Domain buying and selling are often seen as causal processes, but stealth domain brokers are experts in acquiring premium domains.
—Michael Gargiulo, Forbes.com, 16 Apr. 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 2 May. 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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