[ad_1] adjective
  1. having good understanding or a high mental capacity; quick to comprehend, as persons or animals: an intelligent student.
  2. displaying or characterized by quickness of understanding, sound thought, or good judgment: an intelligent reply.
  3. having the faculty of reasoning and understanding; possessing intelligence: intelligent beings in outer space.
  4. Computers. pertaining to the ability to do data processing locally; smart: An intelligent terminal can edit input before transmission to a host computer.Compare dumb(def 8).
  5. Archaic. having understanding or knowledge (usually followed by of).


  1. having or indicating intelligence
  2. having high intelligence; clever
  3. indicating high intelligence; perceptivean intelligent guess
  4. guided by reason; rational
  5. (of computerized functions) able to modify action in the light of ongoing events
  6. (postpositive foll by of) archaic having knowledge or informationthey were intelligent of his whereabouts

c.1500, a back-formation from intelligence or else from Latin intelligentem (nominative intelligens), present participle of intelligere, earlier intellegere (see intelligence). Intelligent design, as a name for an alternative to atheistic cosmology and the theory of evolution, is from 1999. Related: Intelligently.

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