1. of or relating to magic, astrology, or any system claiming use or knowledge of secret or supernatural powers or agencies.
  2. beyond the range of ordinary knowledge or understanding; mysterious.
  3. secret; disclosed or communicated only to the initiated.
  4. hidden from view.
  5. (in early science)
    1. not apparent on mere inspection but discoverable by experimentation.
    2. of a nature not understood, as physical qualities.
    3. dealing with such qualities; experimental: occult science.
  6. Medicine/Medical. present in amounts too small to be visible: a chemical test to detect occult blood in the stool.


  1. the supernatural or supernatural agencies and affairs considered as a whole (usually preceded by the).
  2. occult studies or sciences (usually preceded by the).

verb (used with object)

  1. to block or shut off (an object) from view; hide.
  2. Astronomy. to hide (a celestial body) by occultation.

verb (used without object)

  1. to become hidden or shut off from view.

adjective (ɒˈkʌlt, ˈɒkʌlt)

    1. of or characteristic of magical, mystical, or supernatural arts, phenomena, or influences
    2. (as noun)the occult
  1. beyond ordinary human understanding
  2. secret or esoteric

verb (ɒˈkʌlt)

  1. astronomy (of a celestial body) to hide (another celestial body) from view by occultation or (of a celestial body) to become hidden by occultation
  2. to hide or become hidden or shut off from view
  3. (intr) (of lights, esp in lighthouses) to shut off at regular intervals

adj.1530s, “secret, not divulged,” from Middle French occulte and directly from Latin occultus “hidden, concealed, secret,” past participle of occulere “cover over, conceal,” from ob “over” (see ob-) + a verb related to celare “to hide,” from PIE root *kel- “to hide” (see cell). Meaning “not apprehended by the mind, beyond the range of understanding” is from 1540s. The association with the supernatural sciences (magic, alchemy, astrology, etc.) dates from 1630s. adj.

  1. Hidden; concealed.
  2. Detectable only by microscopic examination or chemical analysis.
  3. Not accompanied by readily detectable signs or symptoms.
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