From Longman Dictionary of Contemporary Englishbystanderby‧stand‧er /ˈbaɪˌstændə $ -ər/ noun [countable] LOOK ATsomeone who watches what is happening without taking part SYN onlooker Several innocent bystanders were killed by the blast.
Examples from the Corpus
bystander• As they fled, two men were wounded as the attackers fired at bystanders.• Nick and I laid out tow ropes to the bow of the raft, and cajoled bystanders to lend a hand.• Outside the gallery a group of curious bystanders gathered, staring and leering at the nude painting.• They missed their target but killed eighteen bystanders and injured many more.• And Coren, dressing up as Moses and leading 200 innocent bystanders into the Promised Land.• By invitation he was there, a perplexed bystander.• The driver yelled something at her as he passed, and the bystanders regarded her disapprovingly.• Many of the bystanders are first-timers, some of the half-million people who have moved into Colorado since 1990.innocent bystanders• And Coren, dressing up as Moses and leading 200 innocent bystanders into the Promised Land.• No police widows, no innocent bystanders hurt.• This is a cop who is in therapy because of his habit of shooting innocent bystanders dead.• Two innocent bystanders were injured in the shooting. 