1. (imp. & p. p.) of Guard.

2. (a.) Cautious; wary; circumspect; as, he was guarded in his expressions; framed or uttered with caution; as, his expressions were guarded.

Argus-eyed Olympian all ears all eyes aloof apprehensive armed arrested aux aguets backward bashful blank bridled buried cagey calculating canny careful cautious chary chilled chilly circumspect cloaked cold concealed considerate constrained controlled cool copyrighted covered covert curbed custodial defended deliberate detached discreet disinclined to believe disposed to doubt distant eagle-eyed expressionless forbidding frigid frosty gingerly hard of belief hawk-eyed heedful hesitant hidden icy impassive impersonal impervious to persuasion in check in leading strings in remission inaccessible inconvincible incredulous inhibited introverted invulnerable judicious keen-eyed leaving out nothing leery lidless loath mindful modest noncommittal obscured observant offish on guard on leash on the lookout on the watch open-eyed overlooking no possibility patented pawky pent-up policed politic privy protected prudent regardful reluctant remote removed repressed reserved restrained retarded reticent retiring safe safeguarded screened sharp-eyed sheltered shielded shrinking shrouded shy of belief skeptical sleepless slow to act slowed down standoff standoffish subdued suppressed suspecting suspicious tentative thorough unadventurous unaffable unapproachable uncommunicative uncongenial unconvincible uncredulous undaring undemonstrative under control under discipline under restraint unenterprising unexpansive ungenial unpersuadable unpersuasible unprecipitate unwilling to accept vigilant wary watchful with open eyes withdrawn