unwary

leery, cautious, fearful, skeptical, mindful, apprehensive, skittish, concerned, hesitant, uneasy, averse, careful, circumspect, watchful, vigilant, sanguine, unworried, unconcerned, jittery, reticent, reluctant, afraid, ambivalent, unconvinced, unfazed, aware, squeamish, cognizant, anxious, scared, choosy, complacent, distrustful, unimpressed, fond, optimistic, overcautious, receptive, timid, unsure, unsettled, antsy, coy, picky, frightened, overconfident, undeterred, loath, blase, nervous, unnerved, impatient, gung ho, hopeful, pessimistic, tightfisted, fearing, cagey, susceptible, mistrustful, undaunted, frustrated, unhappy, adamant, unenthusiastic, uncomfortable, confused, keen, unperturbed, perplexed, interested, paranoid, savvier, fretted, weary, dismissive, undismayed, tightlipped, uncertain, adept, bashful, unexcited, touchy, prone, disenchanted, noncommittal, petrified, untrusting, queasy, unaware, insistent, jumpy, flummoxed, frown upon, curious, resentful, anathema, doubtful, disillusioned, confident, perturbed, envious, inquisitive, wily, timorous, crafty, sagacious, incurious, alarmed, bemused, cunning, irresolute, shifty, compassionate

at any rate, beware, listening, mind, shy, warily

on guard, on one's guard, on your guard, suspicious, upon one's guard