observer

Definition

One who makes observations, monitors or takes notice.

Etymology

From observe + -er.

Example Sentences

• "Most impartial observers agreed that Sampras had not served well."
• "Between 8 and 9 p.m., the recorder at a meteorological station at Harrow, Middlesex, picked up 1,470 lightning flashes within a radius of 10 to 15 miles, and observers at the station described the storm as "probably one of the most spectacular of the century.""
• "I shall be an observer of the local customs."

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