bystander[noun]Synonyms: onlooker, eyewitness, looker-on, observer, passer-by, spectator, viewer, watcher, witness
[TahlilGaran] English Synonym Dictionary ▲
by‧stand‧er /ˈbaɪˌstændə $ -ər/
noun [countable] someone who watches what is happening without taking part
Synonym : onlooker:
Several innocent bystanders were killed by the blast. [TahlilGaran] Dictionary of Contemporary English ▲