| Main Entry: | |
| Part of Speech: | noun |
| Definition: | keen eyesight |
| Synonyms: | X-ray eye, hawkeye, keen eye, lidless eye, peeled eye, penetrating eye, sharp eye, sleepless eye, watchful eye, weather eye |
| Main Entry: | lookout |
| Part of Speech: | noun |
| Definition: | guard; place from which to guard |
| Synonyms: | anchor, beacon, belvedere, case, catbird seat, citadel, crow's nest, cupola, eagle eye, hawk, observance, observation, observatory, outlook, overlook, panorama, patrol, post, scene, scout, sentinel, sentry, spotter, station, surveillance, tip, tower, view, vigil, vigilance, ward, watch, watch person watchtower, watcher, weather eye |
| Main Entry: | scrutiny |
| Part of Speech: | noun |
| Definition: | close examination |
| Synonyms: | analysis, audit, close-up, eagle eye, exploration, inquiry, inspection, investigation, long hard look, perlustration, perusal, review, scan, search, sifting, study, surveillance, survey, tab, the eye, view |
| Main Entry: | surveillance |
| Part of Speech: | noun |
| Definition: | close observation, following |
| Synonyms: | body mike, bug*, bugging, care, control, direction, eagle eye, examination, eye, inspection, lookout, peeled eye, scrutiny, spying, stakeout, superintendence, supervision, surveyance, tab, tail, tap*, track*, vigil, vigilance, watch, wiretap |
| Antonyms: | indifference, unobservance |
| Main Entry: | vigil |
| Part of Speech: | noun |
| Definition: | watch |
| Synonyms: | attention, awareness, duty, eagle eye, guard, lookout, monitoring, nightwatch, notice, observance, observation, patrol, stake-out, surveillance, vigilance, watchfulness |
| Main Entry: | watch |
| Part of Speech: | noun |
| Definition: | lookout |
| Synonyms: | alertness, attention, awareness, duty, eagle eye, eye*, gander, guard, hawk, heed, inspection, notice, observance, observation, patrol, picket, scrutiny, sentinel, sentry, supervision, surveillance, tab, tout, vigil, vigilance, watchfulness, weather eye |
| Main Entry: | weather eye |
| Part of Speech: | noun |
| Definition: | sharp eye |
| Synonyms: | X-ray eye, eagle eye, hawkeye, nautical experience, peeled eye, watchful eye |