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.
Thesaurus Entries
Argus-eyed, Machiavellian, Machiavellic, Pyrrhonic, Scotch, acute, agnostic, all ears, all eyes, arch, artful, astute, aux aguets, cagey, calculating, canny, careful, cautious, chary, circumspect, clever, considerate, crafty, cunning, custodial, cute, deceitful, deep, deep-laid, designing, diplomatic, discreet, disinclined to believe, disposed to doubt, distrustful, doubtful, doubting, dubious, eagle-eyed, feline, foxy, from Missouri, frugal, gingerly, guarded, guileful, hard of belief, hawk-eyed, impervious to persuasion, in doubt, inconvincible, incredulous, ingenious, insidious, inventive, keen-eyed, knowing, leery, lidless, mistrustful, mistrusting, observant, on guard, on the lookout, on the watch, open-eyed, pawky, politic, provident, prudent, questioning, ready, resourceful, safe, saving, scheming, scrupulous, serpentine, sharp, sharp-eyed, shifty, shrewd, shy, shy of belief, skeptical, sleepless, slick, slippery, sly, smooth, snaky, sneaky, sophistical, stealthy, strategic, subtile, subtle, supple, suspecting, suspicious, tactical, thrifty, trickish, tricksy, tricky, uncertain, unconvincible, uncredulous, unpersuadable, unpersuasible, untrusting, unwasteful, unwilling to accept, vigilant, vulpine, watchful, wily, with open eyes
