bystander Definition

a person who is present at an event or incident but does not take part.

Using bystander: Examples

Take a moment to familiarize yourself with how "bystander" can be used in various situations through the following examples!

  • Example

    The bystanders watched as the police arrested the thief.

  • Example

    He was just a bystander and didn't see anything happen.

  • Example

    The bystanders were shocked when the building collapsed.

bystander Synonyms and Antonyms

Synonyms for bystander

Phrases with bystander

  • a phenomenon in which individuals are less likely to offer help to a victim when other people are present


    The bystander effect was first studied after the murder of Kitty Genovese in 1964.

  • a person who is not involved in a situation but is affected by it


    The innocent bystander was hit by a stray bullet during the shootout.

  • the act of stepping in to prevent harm or intervene in a situation as a bystander


    Bystander intervention can help prevent sexual assault and harassment.


Summary: bystander in Brief

A 'bystander' [ˈbaɪˌstændər] is someone who is present at an event or incident but does not take part. It can refer to a person who witnesses a crime or accident, or someone who is affected by a situation without being involved. The term is often used in phrases like 'bystander effect,' which describes the tendency for people to be less likely to offer help when others are present.

How do native speakers use this expression?