1. unable to sleep; not sleeping; indisposed to sleep: Excitement made the children wakeful.
2. characterized by absence of sleep: a wakeful night.
3. watchful; alert; vigilant: a wakeful foe.
"people can be wakeful in/at/on nights."
"babies can be wakeful at nights."
"people can be wakeful."
"nights can be wakeful."
"stakes can be wakeful."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.