passer-by
Random sidewalk witness
A passer-by is someone who happens to be walking past a particular place, especially when witnessing an event: Several passers-by stopped to help the injured cyclist.
The term implies incidental presence rather than intentional involvement.
Also spelled passerby.
Person who observes
- spectatorObserver at an event
- eyewitnessOne who saw events
- observerOne who perceives events
- watcherOne who observes
looker-on · viewer · gazer · beholder · rubbernecker · gawker · crowd · sidewalk
Not yet discovered
- unfamiliarNot previously known
- anonymousOf unknown origin
- facelessLacking identity or features
- namelessWithout any designation
unacquainted · random · chance · encounter · unidentified · pedestrian · person · individual
onlooker
Person who observes
- spectatorObserver at an event
- eyewitnessOne who saw events
- observerOne who perceives events
watcher · looker-on · viewer · gazer · beholder · rubbernecker · gawker · crowd · sidewalk · scene
unknown
Not yet discovered
- unfamiliarNot previously known
- anonymousOf unknown origin
- facelessLacking identity or features
nameless · unacquainted · random · chance · encounter · unidentified · pedestrian · person · individual · soul
walker
Ambulatory person or aid
sidewalk · pavement · crosswalk · intersection · street · curb · promenade · boulevard · plaza · thoroughfare
momentary
Lasting very briefly
glimpse · instant · second · flash · quick · hurried · rushed · swift · temporary · impermanent
passer-byparticipant
One who takes part
party · active participant · stakeholder · player · actor