Etymologically
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observer

This is the current revision of this entry, as edited by bogdan on 17 October 2026 at 14:35. This address is a permanent link to this version.
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Pronunciation

  • IPA: UK /əbˈzɜː.və/, US /əbˈzɝː.vɚ/[1]

Etymology

It is formed from observe and -er.[2]

Earliest recorded meaning

One who keeps a law, rule or custom: 1555 in the OED, the 1550s in Etymonline.[3][2]

Semantic evolution

One who watches and takes notice is from 1581,[3][2] and is the sense of many newspaper names.[2] One who observes omens is from 1588,[3] and an obsequious follower is an obsolete sense of 1601.[3] A scientific observer of phenomena is from 1795.[3] One who attends a meeting without taking part is by 1925,[2] and one posted to a conflict to supervise a ceasefire from the same year.[3]

Timeline

  • 1555 – one who keeps a rule.[3]
  • 1581 – one who watches.[3]
  • 1795 – a scientific observer.[3]
  • 1925 – an observer at a meeting or conflict.[2][3]

Modern meaning

Noun

  1. A person who watches or notices something; an onlooker.
  2. A delegate who attends a meeting or conference to watch and report, without voting.
  3. A person who observes phenomena scientifically.
  4. A member of an aircrew trained to observe and identify; formerly, an aircraft spotter.

Word family

  • observership
  • interobserver

References

  1. ^ Jones, Daniel (2011), Cambridge English Pronouncing Dictionary, 18th ed., ed. Peter Roach, Jane Setter and John Esling, Cambridge: Cambridge University Press
  2. ^ a b c d e f Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  3. ^ a b c d e f g h i j Simpson, J. A.; Weiner, E. S. C., eds. (1989), The Oxford English Dictionary, 2nd ed., Oxford: Clarendon Press