observer
10 synonyms for observer, grouped by meaning and by how common each one is.
Noun — Someone who watches, notices, or pays close attention to something.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use observer
The word patterns that sound natural to a native speaker.
Etymology
From observe plus the agent suffix "-er", meaning someone who does the action of the verb.
Full origin of observer →