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observer
UK
/əbˈzɜː.və/
US
/əbˈzɝː.vɚ/
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Compare observer with witness, spectator, and onlooker.
Explore how observer is used in science, politics, and everyday contexts.
Learn common collocations with observer, such as independent observer and observer status.
Check how observer can modify another noun, as in observer mission.
Compare the meanings and uses of observe, observer, and observation.
Write five B2-level sentences with observer and translate them into Russian.
Answer three questions about situations in which someone might act as an observer.
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