wakeful vs watchful

wakeful and watchful both are adjectives.

Word	Noun	Adjective	Verb	Adverb
wakeful	No	Yes	No	No
watchful	No	Yes	No	No

As adjectives, wakeful and watchful are synonyms defined as:

wakeful and watchful: carefully observant or attentive; on the lookout for possible danger

Other synonyms of wakeful include argus-eyed, open-eyed, vigilant.

wakeful (adjective)	watchful (adjective)
carefully observant or attentive; on the lookout for possible danger	engaged in or accustomed to close observation
marked by full consciousness or alertness	experiencing or accompanied by sleeplessness
(of sleep) easily disturbed	carefully observant or attentive; on the lookout for possible danger