قعر

مِقْعَرٌ ذ , (so in a copy of the A,) or ↓ مُقَعَّرٌ, like مُعَظَّمٌ [in measure], (so in the TA,) [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. (A, TA.)