Wary

Webster's Dictionary

(1): ( a.) Cautious of danger; carefully watching and guarding against deception, artifices, and dangers; timorously or suspiciously prudent; circumspect; scrupulous; careful.

(2): ( a.) Characterized by caution; guarded; careful.

King James Dictionary

Wary, a. See Ware and Warn. Cautious of danger carefully watching and guarding against deception, artifices and dangers scrupulous timorously prudent. Old men are usually more wary than the young. It is incumbent on a general in war to be always wary.