Table of Contents POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
THESAURUS
ROGET THESAURUS

WORDNET DICTIONARY

Adjective wakeful has 3 senses

• wakeful(s = adj.all) argus-eyed, open-eyed, vigilant - carefully observant or attentive; on the lookout for possible danger; "a policy of open-eyed awareness"; "the vigilant eye of the town watch"; "there was a watchful dignity in the room"; "a watchful parent with a toddler in tow"
Derived form noun wakefulness₃

• wakeful(s = adj.all) light - (of sleep) easily disturbed; "in a light doze"; "a light sleeper"; "a restless wakeful night"
Derived form noun wakefulness₂

• wakeful(s = adj.all) waking - marked by full consciousness or alertness; "worked every moment of my waking hours"

CIDE DICTIONARY

OXFORD DICTIONARY

THESAURUS

wakeful

agile, alert, alive, attentive, awake, bright, insomniac, insomnious, keen, nimble, on the, on the alert, on the ball, on the job, prompt, qui vive, quick, ready, restless, sharp, sleepless, slumberless, smart, unblinking, unnodding, unsleeping, unwinking, wide-awake

ROGET THESAURUS

wakeful

Care

N care, solicitude, heed, heedfulness, scruple, watchfulness, vigilance, surveillance, eyes of Argus, watch, vigil, look out, watch and ward, loeil du maitre, alertness, attention, prudence &c, circumspection, anxiety, forethought, precaution, tidiness accuracy, minuteness, attention to detail, careful regardful, heedful, taking care, particular, prudent, considerate, thoughtful, provident, alert, sure-footed, guarded, on one's guard, on the qui vivre, on the alert, on watch, on the lookout, awake, broad awake, vigilant, watchful, wakeful, wistful, Argus-eyed, wide awake, on the watch for (expectant), tidy accurate, scrupulous, cavendo tutus, carefully, with care, gingerly, quis custodiet istos custodes?, who will watch the watchers?, care will kill a cat, ni bebas agua que no veas, O polished perturbation! Golden care!, the incessant care and labor of his mind.

For further exploring for "wakeful" in Webster Dictionary Online