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Meaning of “observer” in the English Dictionary

"observer" in British English

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observernoun [C]

uk   /əbˈzɜː.vər/  us   /əbˈzɝː.vɚ/
C2 a person who watches what happens but has no active part in it: observers of the political situation/political observers UN observers are monitoring the ceasefire.

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(Definition of observer from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"observer" in American English

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observernoun [C]

 us   /əbˈzɜr·vər/
a person who watches what happens but has no active part in it: Political observers say it’s going to be a close election.
(Definition of observer from the Cambridge Academic Content Dictionary © Cambridge University Press)

"observer" in Business English

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observernoun [C]

uk   us   /əbˈzɜːvər/
a person who watches and studies what happens but has no active part in it: an observer of sth He is close observer of the situation on Wall Street. One industry observer noted: 'The car market is going through a transition.' To an outside observer, it all seems very efficient, but the reality is somewhat different.
(Definition of observer from the Cambridge Business English Dictionary © Cambridge University Press)
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