Synonyms of observer

observer

noun

əb-ˈzər-vər 

as in spectator

someone who sees or watches something

observers of the boxing match seemed to be divided as to who won

Synonyms & Similar Words

• spectator
• viewer
• witness
• onlooker
• bystander
• watcher
• eyewitness
• spy
• voyeur
• peeper

Example Sentences

Recent Examples of observer

For third-party observers, the dedicated analysts also can provide insight a national voice might miss. — Jacob Feldman, Sportico.com, 29 Sep. 2026

While industry observers long suspected that other carmakers were doing the same, the practice hadn’t been systematically investigated — until now. — Andrew J. Hawkins, The Verge, 29 Sep. 2026

As my colleagues Stephen Battaglio and Meg James reported last week, media observers and merger opponents doubt that the board will have any real authority. — Business Columnist, Los Angeles Times, 29 Sep. 2026

Chiuri’s runway was encased by a reflective glass structure, which some observers presumed was a device to prevent protester interventions. — José Criales-Unzueta, Vanity Fair, 28 Sep. 2026