Wakeful Verb Synonyms
watchful, (on the) alert, on the qui vive, sharp, attentive, vigilant, wary, cautious, observant, heedful, on the lookout
We remained wakeful, alert to any footstep.
awake, sleepless, waking, unsleeping, restless, restive, insomniac
The children were wakeful the entire night in anticipation of a visit from Santa Claus.
Science / Psychiatry / Bipolar Disorder: An affective disorder characterized by extreme changes in mood ranging from mania to depression. This mood disturbance is also known as manic depression. MORE