English Reference

Word

bystander

Phoneticsby·stander

US/ˈbaɪˌstændɝ/

UK/bˈaɪstændɐ/

Definition

n. a person who is standing near an event or accident but is not taking part in it. You are just watching what is happening.

n. a person who is present at an event or incident but does not take part in it. Often used in the context of accidents, crimes, or public disturbances.

Examples

“An innocent bystander was hurt during the street fight.”

“Several bystanders watched the rescue attempt from the sidewalk, but none of them knew how to help.”

“The psychological phenomenon known as the bystander effect suggests that individuals are less likely to offer help to a victim when other people are present.”

Examples

simple

“An innocent bystander was hurt during the street fight.”

contextual

“Several bystanders watched the rescue attempt from the sidewalk, but none of them knew how to help.”

complex

“The psychological phenomenon known as the bystander effect suggests that individuals are less likely to offer help to a victim when other people are present.”

Usage

Often paired with the adjective 'innocent' to emphasize that the person had no connection to the conflict.

Real-World Examples

“In the event of an electrical failure, the handles' design may also prevent passengers from quickly opening the doors to escape or "hinder rescue efforts" by bystanders, the SAMR added.”
BBC News · 26 Aug 2026
“Paul that killed one person and injured 14 bystanders.”
Phys.org · 20 Aug 2026

Etymology

From by- + stander. Compare passerby.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Level
B2 · Upper Intermediate
Frequency
Occasional
Updated

Scan code

englishreference.com/q/bystander

English Reference