| Main Entry: | on guard |
| Part of Speech: | adjective |
| Definition: | defensive |
Synonyms: |
alert, averting, cautious, checking, defending, expectant, guarding, preservative, preventive, protecting, safeguarding, vigilant, warding off, watchful, withstanding |
| Main Entry: | on guard |
| Part of Speech: | adverb |
| Definition: | feeling wary |
Synonyms: |
alert, careful, cautious, defensive, guarded, heedful, mindful, observant, on one's guard, on one's toes, on the lookout, on the watch, vigilant, wary, watchful |
| Main Entry: | alert |
| Part of Speech: | adjective |
| Definition: | attentive, lively |
Synonyms: |
active, all ears, bright, cagey, careful, circumspect, clever, fast on the draw, good hands, heads up, heedful, hip, intelligent, jazzed, observant, on guard, on one's toes, on the ball, on the job, on the lookout, on the qui vive, perceptive, psyched up, quick, ready, sharp, spirited, switched on, vigilant, wary, watchful, wide-awake, wired, wise, with it |
Antonyms: |
asleep, drowsy, inattentive, lethargic, sluggish, unobservant, weary |
| Main Entry: | awake |
| Part of Speech: | adjective |
| Definition: | conscious; alert |
Synonyms: |
alive, aroused, attentive, awakened, aware, cognizant, excited, heedful, knowing, observant, on guard, roused, vigilant, wakeful, waking, watchful |
Antonyms: |
asleep, unconscious |
| Main Entry: | leery |
| Part of Speech: | adjective |
| Definition: | suspicious |
Synonyms: |
careful, cautious, chary, distrustful, doubting, dubious, on one's guard, shy, skeptical, uncertain, unsure, wary |
Antonyms: |
certain, sure, unwary |
| Main Entry: | on the ball |
| Part of Speech: | adjective |
| Definition: | alert |
Synonyms: |
active, all ears, attentive, bright, cagey, careful, clever, good hands, heads up, intelligent, lively, observant, on guard, on one's toes, on the job, on the lookout, on the stick, perceptive, quick, ready, sharp, spirited, vigilant, watchful, wise, with it |
| Main Entry: | prepared |
| Part of Speech: | adjective |
| Definition: | ready in body or mind |
Synonyms: |
able, adapted, adjusted, all bases covered, all set, all systems go, arranged, available, disposed, fit, fixed, framed, gaffed, groomed, handy, in order, in readiness, inclined, minded, of a mind, on guard, planned, predisposed, prepped, primed, processed, psyched-up, put up, qualified, rehearsed, rigged, set, set-up, sewed-up, stacked, up on, up*, willing, wired |
Antonyms: |
ignorant, neglectful, unprepared, unready |
| Main Entry: | vigilant |
| Part of Speech: | adjective |
| Definition: | careful, watchful |
Synonyms: |
acute, agog, alert, anxious, attentive, aware, cautious, circumspect, guarded, keen, looking for, looking to, observant, on alert, on guard, on the ball, on the job, on the lookout, on the qui vive, on toes, open-eyed, sharp, sleepless, unsleeping, waiting on, wakeful, wary, wide-awake, with eyes peeled, with weather eye open |
Antonyms: |
careless, impulsive, inattentive, indiscreet, negligent |
| Main Entry: | wakeful |
| Part of Speech: | adjective |
| Definition: | alert, restless |
Synonyms: |
alive, astir, attentive, careful, heedful, insomniac, insomnious, observant, on guard, on the alert, on the lookout, on the qui vive, sleepless, unsleeping, vigilant, waking, wary, watchful, wide-awake |
Antonyms: |
sleepy, unaware |
| Main Entry: | wary |
| Part of Speech: | adjective |
| Definition: | careful, cautious |
Synonyms: |
alert, attentive, cagey, calculating, canny, chary, circumspect, considerate, discreet, distrustful, doubting, frugal, gingerly, guarded, handling with kid gloves, heedful, keeping on one's toes, leery, on guard, on the lookout, on the qui vive, provident, prudent, safe, saving, sly, sparing, suspicious, thinking twice, thrifty, unwasteful, vigilant, walking on eggs, watchful, watching one's step, watching out, wide-awake |
| Notes: | to be wary is to be cautious or watchful; weary means fatigued or tired |
Antonyms: |
careless, foolish, heedless, incautious, indiscreet, rash, reckless |