أهم

Verb

 * 1)  to grieve, to distress, to concern, to worry

Etymology 2
of.

Adjective

 * 1) more important; most important
 * 2) graver, more distressing; gravest, most distressing
 * 1) graver, more distressing; gravest, most distressing
 * 1) graver, more distressing; gravest, most distressing