natural phenomenon
Definitions
An observable event that occurs in nature and is not caused by human activity.
A physical or biological occurrence that happens independently of human intervention.
Examples
The aurora borealis is a breathtaking natural phenomenon that lights up the night sky in polar regions.
Scientists are still studying the rare natural phenomenon that causes the desert to bloom after unexpected rainfall.
Synonyms
physical occurrence nature's event environmental process natural event
Antonyms
artificial construct man-made occurrence synthetic event human intervention