American English

Definition of observer noun from the Oxford Advanced American Dictionary



    jump to other results
  1. 1a person who watches someone or something According to observers, the plane exploded shortly after takeoff. To the casual observer (= someone who does not pay much attention), the system appears confusing. Most art forms require a contribution from the observer. Thesauruswitnessobserver onlooker passerby bystander eyewitnessThese are all words for a person who sees something happen.witness a person who sees something happen and is able to describe it to other people; a person who gives evidence in a court of law:Police are seeking witnesses to the a person who watches something happen:According to observers, the election was peaceful and fair.onlooker a person who watches something that is happening but is not involved in it:A crowd of onlookers gathered at the scene of the accident.passerby a person who is going past someone or something by chance, especially when something unexpected happens:Police asked passersby if they had witnessed the robbery.bystander a person who is near and can see what is happening when something such as an accident or a fight takes place:Three innocent bystanders were killed in the crossfire.eyewitness a person who has seen a crime or an accident and can describe it afterwardPatterns a(n) witness/observer/onlooker/passerby/bystander/eyewitness sees something a(n) observer/onlooker/passerby/bystander witnesses something
  2. 2a person who attends a meeting, lesson, etc. to listen and watch but not to take part A team of officials was sent as observers to the conference.
  3. 3a person who watches and studies particular events, situations, etc. and is therefore considered to be an expert on them a celebrity observer
See the Oxford Advanced Learner's Dictionary entry: observer

Other results

All matches