Thus, a precursor is an event or situation that, if a small set of behaviors or conditions had been slightly different, would have led to a consequential adverse event.

What is an example of a precursor?

The definition of a precursor is something or someone that came before. An example of a precursor is the dark clouds before a storm. Precursor is defined as something that led to the creation of something similar but new. An example of precursor is how radio came before but helped create television.

What is a precursor in history?

A precursor is something that happens before something else. You don't have to be a dead languages scholar to guess that this word springs from a Latin source — praecursor, "to run before." A precursor is usually related to what it precedes.