English to English
1. a mark against a person for misconduct or failure; usually given in school or armed forces
ten demerits and he loses his privileges
2. 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
3. That which one merits or deserves, either of good or ill; desert.
4. To deserve; -- said in reference to both praise and blame.
5. To deserve praise or blame.