be vigilant about Synonym

warning, alert, caution, notice, heads-up, notification, admonition, advice, tip-off, advance notice, premonition, foreknowledge, signal, sign, indication, hint, clue, warning sign, red flag, early warning, advance warning, prior warning, heads-up warning, pre-warning, pre-alert, pre-caution, pre-notice, pre-admonition, pre-advice, pre-tip-off, pre-notification, pre-signal, pre-sign, pre-indication, pre-hint, pre-clue, pre-warning sign, pre-red flag, early alert, early caution, early notice, early admonition, early advice, early tip-off, early notification, early signal, early sign, early indication, early hint, early clue [x]

caution, alert, notice, admonition, forewarning, heads-up,, alarm, signal, advisory, caveat, tip-off, red flag, wake-up call, word of warning, sign, indication, hint, threat, menace, danger signal, yellow flag, warning sign, warning signal, premonition, portent, harbinger, augury, presage, omen, foretoken, forecast, prediction, prophecy, heads-up warning, early warning, advance warning, premonitory sign, cautionary notice, danger notice, risk alert, hazard warning, safety alert, security warning, advisory notice, alert notice, danger alert, threat alert, hazard alert [x]

attentive, mindful, observant, alert, watchful, vigilant, cautious, careful, aware, conscientious, perceptive, considerate, circumspect, wary, prudent, discerning, heedful [x]

alert, vigilant, watchful, attentive, observant, sleepless, aware, conscious, perceptive, sharp, wary, heedful, mindful, on guard, on the lookout, on the alert, wide-awake, quick-eyed, eagle-eyed, sharp-eyed, clear-eyed, open-eyed, unsleeping, insomniac, restless, wakeful [x]

alert, observant, vigilant, watchful, heedful, mindful, aware, conscientious, considerate, thoughtful, perceptive, responsive, focused, concentrated, diligent, careful, meticulous, scrupulous, thorough, earnest, intent, engaged, interested, devoted, dedicated, studious, assiduous, industrious, painstaking, exacting, punctilious, rigorous, particular, precise, accurate, detailed, methodical, systematic, orderly, organized, disciplined, sharp, acute, discerning, sensitive, insightful [x]

advance notice, prior notice, early warning, advance warning, prior warning, heads-up, forewarning, preliminary notice, advance alert, early alert, prior alert, advance notification, early notification, prior notification [x]

warning, caution, admonition, alert, notice, forewarning, heads-up, red flag, advisory, alarm, sign, signal, tip-off, hint, indication, reminder, wake-up call, precaution, proviso, stipulation, condition, restriction, limitation, qualification, reservation, clause, requirement, constraint, caveat emptor, cautionary note, cautionary advice, cautionary statement, cautionary warning, cautionary reminder, cautionary alert, cautionary indication, cautionary sign, cautionary signal, cautionary tip-off, cautionary hint, cautionary notice, cautionary forewarning, cautionary heads-up, cautionary red flag, cautionary advisory, cautionary alarm, cautionary wake-up call [x]

attentiveness, mindfulness, alertness, vigilance, watchfulness, caution, care, carefulness, prudence, circumspection, awareness, observance, regard, consideration, thoughtfulness, diligence, wariness, heed, notice, attention [x]

awareness, insight, discernment, sensitivity, acumen, perception intuition, understanding, keenness, sharpness, astuteness, alertness, observance, perceptiveness, shrewdness, intelligence, cognizance, sagacity, attentiveness, mindfulness, perspicacity, acuity, vigilance, responsiveness, receptiveness, consciousness, recognition, appreciation, comprehension, grasp [x]

be-aware-of, be-mindful-of, be-cognizant-of, be-alert-to, be-sensitive-to, be-attuned-to, be-wary-of, be-knowledgeable-about, be-informed-about, be-observant-of, be-vigilant-about, be-perceptive-of, be-aware-about, be-conscious-about, be-mindful-about [x]

hint, suggestion, notion, idea, clue, suspicion, indication, whisper, trace, glimmer, intimation, implication, hunch, feeling, sense, premonition, forewarning, sign, signal, augury, presentiment, awareness, perception, insight, understanding, glimpse, shadow [x]

panic, alarm, startle, frighten, scare, shock, unsettle, disturb, agitate, disconcert, perturb, rattle, unnerve, fluster, dismay, terrify, spook, jolt, shake up, throw off balance, disquiet, distress, worry, trouble, upset, daunt, intimidate, cow, unhinge, discompose, shake, jar, appall, horrify, astound, stun, stupefy, bewilder, baffle, confound, confuse, flabbergast, dumbfound, overwhelm, overawe, awe, daze, paralyze [x]

unbekümmert, unachtsam, sorglos, gleichgültig, achtlos, unaufmerksam, unbedacht, unbesorgt, unvorsichtig, nachlässig, unbeteiligt, ungerührt, unbeeindruckt, unberührt, unempfindlich, gleichmütig, teilnahmslos [x]

ignorant, oblivious, unknowing, uninformed, unmindful, heedless, incognizant, unwitting, nescient, clueless, unperceptive, unobservant, insensible, unconscious, blind, unsuspecting, naive, unenlightened, unquainted, unfamiliar, in the dark, out of touch, unalert, unwary, unseeing, uncomprehending, unapprehensive, unaware [x]

inattentive, heedless, unmindful, oblivious, negligent unaware, distracted, careless, unperceptive, absentminded, unobserving, unseeing, unnoticing, unwatchful, unalert, unvigilant, thoughtless, forgetful, unobservant, unheeding, negligent, unaware [x]