Open English Wordnet
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Nouns
(n)
watchfulness
,
wakefulness
,
vigilance
,
alertness
the process of paying close and continuous attention
“wakefulness, watchfulness, and bellicosity make a good hunter”
,
“vigilance is especially susceptible to fatigue”
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(n)
alertness
,
alerting
a state of readiness to respond
“alerting was indicated by the desynchronization of the EEG”
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(n)
alertness
,
sharp-sightedness
,
on the qui vive
lively attentiveness
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