A person who sees or watches something without taking an active part; onlooker
One who is sent to observe and report on events or proceedings without directly participating in them.
A person who watches without taking part; spectator
A person who protects, keeps watch, or acts as a sentinel:
A person who stands near but does not participate; mere onlooker
The definition of a witness is a person who has seen an event or who testifies about what he has seen.
A man who is employed to stand guard or keep watch.
A spectator; an onlooker.
An insignificant portion or amount; a trace:
The trail of a person or animal in flight:
The official seat, center of authority, jurisdiction, or office of a bishop.
An agent assigned to observe and report on another
One that views, especially an onlooker or spectator.
(Informal) Concern; worry
Find another word for watcher. In this page you can discover 21 synonyms, antonyms, idiomatic expressions, and related words for watcher, like: spectator, observer, onlooker, guard, bystander, witness, twitcher, watchman, beholder, looker-on and shadow.