Synonyms of 'wakeful'
without sleepWakeful babies often continue to need little sleep as they grow older.
Children swam at the pool, under the watchful eye of the lifeguards.
He had been spotted by an alert neighbour.
Keep a wary eye on children when they are playing near water.
I wish you would be more attentive to detail.
Police warned the public to be vigilant and report anything suspicious.
on the lookout,
An observant doctor can detect symptoms from expression and posture.
on the alert,
on the qui vive, ,
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in the sense of alert
watchful and attentiveHe had been spotted by an alert neighbour.
in the sense of attentive
paying close attentionI wish you would be more attentive to detail.
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Thesaurus for wakeful from the Collins English Thesaurus