Search Result for "watchful": 
Wordnet 3.0

ADJECTIVE (2)

1. engaged in or accustomed to close observation;
- Example: "caught by a couple of alert cops"
- Example: "alert enough to spot the opportunity when it came"
- Example: "constantly alert and vigilant, like a sentinel on duty"
[syn: alert, watchful]

2. experiencing or accompanied by sleeplessness;
- Example: "insomniac old people"
- Example: "insomniac nights"
- Example: "lay sleepless all night"
- Example: "twenty watchful, weary, tedious nights"- Shakespeare
[syn: insomniac, sleepless, watchful]


The Collaborative International Dictionary of English v.0.48:

Watchful \Watch"ful\, a. Full of watch; vigilant; attentive; careful to observe closely; observant; cautious; -- with of before the thing to be regulated or guarded; as, to be watchful of one's behavior; and with against before the thing to be avoided; as, to be watchful against the growth of vicious habits. "Many a watchful night." --Shak. "Happy watchful shepherds." --Milton. [1913 Webster] 'Twixt prayer and watchful love his heart dividing. --Keble. [1913 Webster] Syn: Vigilant; attentive; cautious; observant; circumspect; wakeful; heedful. [1913 Webster] -- Watch"ful*ly, adv. -- Watch"ful*ness, n. [1913 Webster]
WordNet (r) 3.0 (2006):

watchful adj 1: 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" [syn: alert, watchful] [ant: unalert, unvigilant, unwatchful] 2: experiencing or accompanied by sleeplessness; "insomniac old people"; "insomniac nights"; "lay sleepless all night"; "twenty watchful, weary, tedious nights"- Shakespeare [syn: insomniac, sleepless, watchful]
Moby Thesaurus II by Grady Ward, 1.0:

74 Moby Thesaurus words for "watchful": Argus-eyed, advertent, agog, alert, all ears, all eyes, assiduous, attentive, aux aguets, aware, careful, cautious, chary, circumspect, concentrated, conscious, covering, custodial, defensive, diligent, eagle-eyed, earnest, finical, finicking, finicky, fostering, guarded, guardian, guarding, hawk-eyed, heedful, immunizing, intense, intent, intentive, keen-eyed, lidless, meticulous, mindful, nice, niggling, observant, observing, on guard, on the ball, on the job, on the lookout, on the watch, open-eared, open-eyed, openmouthed, parental, preventive, prompt, prophylactic, protecting, protective, prudent, quick, ready, regardful, safeguarding, screening, sharp-eyed, sheltering, shielding, sleepless, tutelary, unsleeping, vigilant, wakeful, wary, wide-awake, with open eyes