a person present but not involved; onlooker; spectator
WordReference Random House Learner's Dictionary of American English © 2025
by•stand•er /ˈbaɪˌstændɚ/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- a person present but not involved;
onlooker:He claimed to be an innocent bystander.
by•stand•er
(bī′stan′dər),USA pronunciation n.
- a person present but not involved;
chance spectator;
onlooker.
- by- + stander 1610–20
- observer, viewer, passerby, witness; rubberneck, sidewalk superintendent.
Collins Concise English Dictionary © HarperCollins Publishers::
'bystander' also found in these entries (note: many are not synonyms or translations):