Guarded

a.

1.

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

Adj.	1.	guarded - very reluctant to give out information Synonyms: noncommittal, unrevealing
	2.	guarded - prudent; "guarded optimism" Synonyms: restrained

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ungenial, unpersuadable, unpersuasible, unprecipitate, unwilling to accept, vigilant, wary, watchful, with open eyes, withdrawn