The Collaborative International Dictionary of English v.0.48:

Wary \Wa"ry\, a. [Compar. Warier; superl. Wariest.] [OE.
   war, AS. w[ae]r; akin to Icel. v?rr, Dan. & Sw. var, Goth.
   wars, G. gewahr aware, OHG. wara notice, attention, Gr. ? to
   see. Cf. Aware, Garment, Garnish, Garrison,
   Panorama, Ward, v. t. Ware, a., Warren.]
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   1. Cautious of danger; carefully watching and guarding
      against deception, artifices, and dangers; timorously or
      suspiciously prudent; circumspect; scrupulous; careful.
      "Bear a wary eye." --Shak.
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            We should be wary, therefore, what persecution we
            raise against the living labors of public men.
                                                  --Milton.
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   2. Characterized by caution; guarded; careful.
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            It behoveth our words to be wary and few. --Hooker.
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   Syn: Cautious; circumspect; watchful. See Cautious.
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