Demerit

That which one merits or deserves, either of good or ill; desert.

That which deserves blame; ill desert; a fault; a vice; misconduct; -- the opposite of merit.

The state of one who deserves ill.

To deserve; -- said in reference to both praise and blame.

To depreciate or cry down.

To deserve praise or blame.

the quality of being inadequate or falling short of perfection; "they discussed the merits and demerits of her novel"; "he knew his own faults much better than she did"

a mark against a person for misconduct or failure; usually given in school or armed forces; "ten demerits and he loses his privileges"