This is the 11420th most frequent Korean word.
깨워라
"깨워라" means "Wake (someone) up" in an imperative form.
Here, '깨워라' is used as an imperative command telling someone to wake another person up.
아침이 되었으니 동생을 깨워라.
It's morning, so wake up your younger sibling.
In this sentence, '깨워라' is used to instruct someone to perform the action of waking up the speaker under certain conditions.
만약 늦잠을 자면 나를 깨워라.
If I oversleep, wake me up.
Here, '깨워라' is utilized as a directive for someone to physically rouse and prepare students for an upcoming event, emphasizing urgency.