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English Lexicon

Observer

/əbˈzɜːvər/
nounCEFR B2 (Upper)Top #1450 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A person who watches or notices something.

    "The observer noted the changes in the environment during the study."
  2. 2

    A person who is present at an event or situation but does not participate.

    "As an impartial observer, she provided valuable insights into the discussion."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Latin 'observare', meaning to watch, heed, or guard, formed by combining 'ob-' (in front of, towards) and 'servare' (to keep, watch). Entering Middle English in the 14th century via Old French, it originally referred to someone who kept religious laws or customs before evolving to describe a person who watches events or phenomena attentively.

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