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

Although many observers tend to assume that its isolation and economic misery make North Korea nonthreatening, its new partnership with Russia has given it more power, and without diplomacy, a new war on the Korean Peninsula cannot be ruled out. —John Delury, Foreign Affairs, 3 June 2025

Any serious observer of foreign policy knows that the U.S. intelligence community is renowned for its research and documentation of genocide. —Reader Commentary, Baltimore Sun, 27 May 2025

Li, had helped build a major data infrastructure and processing system for Wachovia, then one of America's largest banks, and had been a keen observer of startups like WeChat and Alibaba that had transformed payments and banking in his native China. —Stephen Pastis, Forbes.com, 27 May 2025

What if Fielder is so disturbed by his own dysfunction, and outside observers’ attempt to taxonomize it, that disproving their analysis drives him to increasingly over-the-top acts of one-upsmanship? —Alison Herman, Variety, 26 May 2025