Definitions

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

  • noun One that cannot be known or understood.

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

  • noun idiomatic A person or thing that cannot be easily understood; someone or something incomprehensible or puzzling.

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

  • noun something that baffles understanding and cannot be explained

Etymologies

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Examples

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