Webster's Revised Unabridged Dictionary · 1913

Wary

Wary , adjective

[Old English war, Anglo-Saxon war; akin to Icelandic v{not transcribed}rr, Danish & Swedish var, Gothic wars, German gewahr aware, Old High German wara notice, attention, Greek {not transcribed} to see. Compare Aware, Garment, Garnish, Garrison, Panorama, Ward, transitive verb Ware, a., Warren.]

1.
Cautious of danger; carefully watching and guarding against deception, artifices, and dangers; timorously or suspiciously prudent; circumspect; scrupulous; careful.
Bear a wary eye. — Shakespeare
We should be wary, therefore, what persecution we raise against the living labors of public men. — Milton
2.
Characterized by caution; guarded; careful.
It behoveth our words to be wary and few. — Hooker