مِقْعَرٌ
Root: قعر
Full Definition
مِقْعَرٌ
, or
مُقَعَّرٌ , like مُعَظَّمٌ [in measure], [but the former I think the correct form, being agreeable with analogy,] A man who reaches the bottoms, or utmost points, of things, or affairs.