watchful

watch·ful  (wchfl)

adj.

1. Closely observant or alert; vigilant: kept a watchful eye on the clock. See Synonyms at aware, careful.

2. Archaic Not sleeping; awake.

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watchful·ly adv.

watchful·ness n.

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watchful [ˈwɒtʃfʊl]

adj

1. vigilant or alert

2. Archaic not sleeping

watchfully  adv

watchfulness  n

Thesaurus

Adj.	1.	watchful - engaged in or accustomed to close observation; "caught by a couple of alert cops"; "alert enough to spot the opportunity when it came"; "constantly alert and vigilant, like a sentinel on duty" alert wary - marked by keen caution and watchful prudence; "they were wary in their movements"; "a wary glance at the black clouds"; "taught to be wary of strangers" awake - not in a state of sleep; completely conscious; "lay awake thinking about his new job"; "still not fully awake" lively - full of life and energy; "a lively discussion"; "lively and attractive parents"; "a lively party"
	2.	watchful - experiencing or accompanied by sleeplessness; "insomniac old people"; "insomniac nights"; "lay sleepless all night"; "twenty watchful, weary, tedious nights"- Shakespeare insomniac, sleepless awake - not in a state of sleep; completely conscious; "lay awake thinking about his new job"; "still not fully awake"

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watchful

adjective alert, attentive, vigilant, observant, guarded, suspicious, wary, on the lookout, circumspect, wide awake, on your toes, on your guard, on the watch, on the qui vive, heedful Children swam at the pool, under the watchful eye of the lifeguards.
unaware, reckless, careless, unwary, thoughtless, unguarded, inattentive, unmindful, unobservant

Translations

watchful [ˈwɒtʃfʊl] ADJ [eyes, face] → atento; (stronger) → vigilante
to be watchful (for sth) → estar atento(a algo); (stronger) → mantener una actitud vigilante(ante algo)
to keep a watchful eye on sth/sb → vigilar algo/a algn de cerca
under the watchful eye of → bajo la atenta mirada de, bajo la mirada vigilante de

watchful [ˈwɒtʃfʊl] adj [person] → vigilant(e)
under the watchful eye of sb → sous l'œil vigilant de qn
to keep a watchful eye on sb → surveiller qn de près
to keep a watchful eye on sth → garder un œil vigilant sur qch

watchful

adj → wachsam; to keep a watchful eye on somebody/something → ein wachsames Auge auf jdn/etw werfen; to be watchful for → wachsam Ausschau halten nach

watchful [ˈwɒtʃfʊl] adj to be watchful for sth → stare attento a qc
to keep a watchful eye on sb → guardare con occhio vigile qn
under the watchful eye of → sotto lo sguardo vigile di