Synonyms to guarded

all ears, Argus-eyed, advertent, agog, alert, all eyes, assiduous, attentive, aux aguets, aware, careful, concentrated, conscious, custodial, diligent, eagle-eyed, earnest, finical, finicking, finicky, hawk-eyed, heedful, intense, intent, intentive, keen-eyed, lidless, listening, meticulous, mindful, nice, niggling, observant, observing, on guard, on the ball, on the job, on the lookout, on the watch, open-eared, open-eyed, openmouthed, prudent, regardful, sharp-eyed, sleepless, vigilant, wary, watchful, with open eyes, aloof, Laodicean, Olympian, above, above all that, abovestairs, airward, alienated, aloft, alone, antisocial, apart, apathetic, arrogant, at a distance, away, backward, bashful, benumbed, blah, blank, blase, bored, broken, careless, casual, chilled, chilly, cold, comatose, companionless, constrained, cool, desensitized, detached, disconnected, discontinuous, discreet, discrete, disdainful, disinterested, distant, distantly, dull, exclusive, expressionless, forbidding, formal, friendless, frigid, frosty, gapped, haughty, heartless, hebetudinous, heedless, high, high up, homeless, hopel