Definition of causal
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
4
: arising from a cause
- a causal development
