Thorny \Thorn"y\, a. [Compar. {Thornier}; superl. {Thorniest}.]
   [Cf. AS. [thorn]orniht.]
   1. Full of thorns or spines; rough with thorns; spiny; as, a
      thorny wood; a thorny tree; a thorny crown.
      
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   2. Like a thorn or thorns; hence, figuratively, troublesome;
      vexatious; harassing; perplexing. "The thorny point of
      bare distress." --Shak.
      
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            The steep and thorny way to heaven.   --Shak.
      
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   {Thorny rest-harrow} (Bot.), rest-harrow.

   {Thorny trefoil}, a prickly plant of the genus {Fagonia}
      ({Fagonia Cretica}, etc.).
      
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