Dictionary.com

observer

[ uhb-zur-ver ]
/ əbˈzɜr vər /
Save This Word!
See synonyms for: observer / observers on Thesaurus.com

noun
someone or something that observes.
a delegate to an assembly or gathering, who is sent to observe and report but not to take part officially in its activities.
U.S. Air Force.
  1. a member of an aircrew, other than the pilot, holding an aeronautical rating.
  2. a person who maintains observation in an aircraft during flight.
Also called air observer, aircraft observer. U.S. Army. a person who serves in an aircraft as a reconnoiterer and directs artillery fire.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of observer

First recorded in 1545–55; observe + -er1

OTHER WORDS FROM observer

ob·serv·er·ship, nounin·ter·ob·serv·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use observer in a sentence

British Dictionary definitions for observer

observer
/ (əbˈzɜːvə) /

noun
a person or thing that observes
a person who attends a conference solely to note the proceedings
a person trained to identify aircraft, esp, formerly, a member of an aircrew
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK