As nouns the difference between onlooker and watcher
is that onlooker is a spectator; someone looks on or watches, without becoming involved or participating while watcher is someone who watches or observes.
onlooker
English
Noun
(
en noun)
A spectator; someone looks on or watches, without becoming involved or participating.
- I wasn’t in the fight, I was only an onlooker .
Synonyms
* bystander
Anagrams
*
watcher
English
Noun
(
en noun)
someone who watches or observes
someone who keeps vigil
a guard
Anagrams
*