natural occurrence

Definitions

An event or phenomenon that happens in the physical world without human intervention.

A process or event that is expected to happen as part of the normal course of nature.

Examples

A solar eclipse is a fascinating natural occurrence that draws crowds of observers from around the world.

Scientists studied the volcanic eruption to determine if it was a natural occurrence or triggered by human activity.

Synonyms

phenomenon spontaneous event organic development expected outcome normal process

Antonyms

artificial creation human intervention manufactured event synthetic product engineered outcome