Associations to the word «Bystander»

Wiktionary

BYSTANDER, noun. A person who, although present at some event, does not take part in it; an observer or spectator.
BYSTANDER EFFECT, noun. Used other than as an idiom: see bystander,‎ effect.
BYSTANDER EFFECT, noun. (psychology) (singulare tantum) That someone is less likely to help another if other potential helpers are present than otherwise.

Dictionary definition

BYSTANDER, noun. A nonparticipant spectator.

Wise words

A wise man hears one word and understands two.
Yiddish Proverb