Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Intelligent; smart.

from The Century Dictionary.

  • Having a good brain; intelligent; sharp-witted; quick of comprehension.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective colloq. Having an active or vigorous mind.
  • adjective highly intelligent.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective informal Very intellectually capable.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective having or marked by unusual and impressive intelligence

Etymologies

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