defect

(n) an imperfection in a bodily system
- visual defects
- this device permits detection of defects in the lungs
(n) a failing or deficiency
- that interpretation is an unfortunate defect of our lack of information
shortcoming,
(n) an imperfection in an object or machine
- a flaw caused the crystal to shatter
- if there are any defects you should send it back to the manufacturer
flaw, fault,
(n) a mark or flaw that spoils the appearance of something (especially on a person's body)
- a facial blemish
blemish, mar,

(v) desert (a cause, a country or an army), often in order to join the opposing cause, country, or army
- If soldiers deserted Hitler's army, they were shot
desert,

desert shortcoming flaw fault blemish mar

defer

defeat defend

defection defective defectively defectiveness defective pleading defect of speech defector