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Synonyms

bystander

American  
[bahy-stan-der] / ˈbaɪˌstæn dər /

noun

  1. a person present but not involved; chance spectator; onlooker.

    Synonyms:
    sidewalk superintendent, rubberneck, witness, passerby, viewer, observer

bystander British  
/ ˈbaɪˌstændə /

noun

  1. a person present but not involved; onlooker; spectator

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of bystander

First recorded in 1610–20; by- + stand ( def. ) + -er 1 ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As this barbershop bystander made clear, for the first time, only a prediction of another championship would be acceptable.

From Los Angeles Times • Mar. 22, 2026

And, finally, your brother-in-law is not an objective bystander.

From MarketWatch • Feb. 8, 2026

Some analyses of bystander video appear to show a federal agent taking Pretti’s gun from his hip before the first shots were fired.

From Salon • Feb. 2, 2026

About a minute after the shooting, bystander footage shows officers shouting, “Where is the gun?” as they attempt to apply first aid to Pretti.

From The Wall Street Journal • Jan. 25, 2026

May 10—I asked Professor Nemur about it, and he insists that I’m an innocent bystander and there’s no reason for me to become involved in what would be an unpleasant situation.

From "Flowers for Algernon" by Daniel Keyes