observer

B2 · Upper Intermediate Countable noun Formal

n. a person sent to a meeting or election to watch but not take part.

n. a representative delegated to attend a function or monitor a process to ensure fairness or gather data without active participation.

“International observers were sent to make sure the election was fair.”

“The organization sent several observers to the climate summit to report back on the progress of the negotiations without joining the voting process.”

C1 · Advanced Countable noun Military Technical

n. a soldier or crew member who watches for enemy positions.

n. a person, such as a sentry or aircraft crew member, tasked with spotting enemy movements or identifying targets.

“The observer used binoculars to scan the horizon for enemy ships.”

“The forward observer relayed the exact coordinates of the artillery fire to the command centre via a secure radio link.”

C2 · Proficiency Countable noun Religion Formal

n. someone who follows a law, custom, or religious tradition.

n. one who adheres to or complies with laws, guidelines, or religious requirements.

“He was a strict observer of the Sabbath and never worked on Saturdays.”

“As a lifelong observer of traditional customs, she insisted that the ceremony be performed exactly as it had been for generations.”