Definition of superintelligent in US English:

superintelligent

adjective

  • 1Beyond the range of intelligence; that is above human intelligence or understanding. Now rare.

  • 2Having greater than normal intelligence; very or highly intelligent.

  • 3Designating a machine (especially a computer or robot) capable of exhibiting or simulating highly intelligent behaviour.

Origin

Late 17th century; earliest use found in William Penn (1644–1718), Quaker leader and founder of Pennsylvania. From super- + intelligent.