A person who is present at an event without participating in it.
A person who stands near but does not participate; mere onlooker.
Webster's New World
The definition of a bystander is a person who stands near but doesn't take part in an event.
Someone who happens to walk into a store while it's being robbed is an example of a bystander.
Other Word Forms of Bystander
Origin of Bystander
by- + stander
Find Similar Words
Find similar words to bystander using the buttons below.