أغلب

Adjective

 * 1) more (pre)dominant, most (pre)dominant.
 * 2)  more numerous, most numerous, more, most
 * 3) most, the majority of, more than half of, nearly all of
 * 1) most, the majority of, more than half of, nearly all of

Etymology
From.

Noun

 * 1) most the majority of
 * 2)  the most likely scenario