1. (noun) the quality of being inadequate or falling short of perfection

• fault

1. (noun) a mark against a person for misconduct or failure; usually given in school or armed forces

• brand
• mark
• stain
• stigma

2. (noun) the quality of being inadequate or falling short of perfection

• worth

1. (noun) the quality of being inadequate or falling short of perfection

• merit
• virtue