1. A failing or deficiency
   "that interpretation is an unfortunate defect of our lack of information";
   - shortcoming
    
2. An imperfection in a bodily system
   "visual defects"; "this device permits detection of defects in the lungs"
    
3. An imperfection in an object or machine
   "if there are any defects, you should send it back to the manufacturer";
   - fault, flaw
    
4. A mark or flaw that spoils the appearance of something (especially on a person's body)
   "The scar was a visible defect on her otherwise perfect skin";
   - blemish, mar

1. Leave (a cause, a country or an army), often in order to join the opposing cause, country, or army
   "The diplomat defected to the enemy state, taking classified information with him";
   - desert

Derived forms: defects, defecting, defected

Type of: appearance, cut and run [informal], disadvantage, flee, fly, imperfection, imperfectness, take flight, visual aspect

Encyclopedia: Defect