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There are 9 thirteen-letter words beginning with OBSERV

observabilityObservantinesObservantistsobservantnessobservationalobservatorialobservatoriesobserveressesobserverships

11 definitions found

  • observability — n. (Uncountable) The state of being observable. — n. (Countable) A measure of the extent to which something is observable.
  • Observantines — n. Plural of Observantine.
  • Observantists — n. Plural of Observantist.
  • observantness — n. Quality of being observant.
  • observational — adj. Relating to observation, especially scientific observation.
  • observatorial — adj. Relating to an observatory. — adj. Relating to an observator or observer.
  • observatories — n. Plural of observatory.
  • observeresses — n. Plural of observeress.
  • observerships — n. Plural of observership.
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