This is the 4181st most frequent Arabic word.
غاب
"غاب" means "to be absent" or "to disappear."
Here, the word "غاب" is used to indicate the absence of the student from the lesson.
غاب الطالب عن الدرس.
The student missed the lesson.
In this sentence, "غاب" conveys the meaning of something being obscured or hidden, referencing the moon in this instance.
غاب القمر وراء السحاب.
The moon disappeared behind the clouds.
Here, the usage of "غاب" suggests forgetting or being beyond the immediate recall of the subject's mind.