defect

n. imperfection; deficiency

v. desert, abandon, change sides

Defect can refer to:in biology, the failure of an organism to develop properly (see congenital disorder).in manufacturing, the failure of a product to conform to specification.in materials science, a crystallographic defect is a structural imperfection in a crystal. in software engineering, the non-conformance of software to its requirements is commonly called a bug. A closely related concept is error.to abandon allegiance to one's country and go to another - see defection.in geometry, the amount by which the sum of the angles at a vertex of a polyhedron falls short of a complete circle. If the sum of the angles exceeds a full circle, then the defect is negative. See defect (geometry).a crystallographic defect is a site where a crystal lattice is imperfectly formed.in politics and/or a military context, the verb to defect refers to switching sides (see defection).in psychology, the perception of self as having shortcomings, especially after social comparison.in real estate a condition that would have a significant adverse effect on the value of the property; that would significantly impair the health or safety of future occupants of the property; or that if not repaired, removed or replaced would significantly shorten or adversely affect the expected normal life of the premises
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Noun
1. an imperfection in a bodily system; "visual defects"; "this device permits detection of defects in the lungs"
(hypernym) imperfection, imperfectness
(hyponym) myelatelia
2. a failing or deficiency; "that interpretation is an unfortunate defect of our lack of information"
(synonym) shortcoming
(hypernym) disadvantage
3. an imperfection in a device or machine; "if there are any defects you should send it back to the manufacturer"
(synonym) fault, flaw
(hypernym) imperfection, imperfectness
(hyponym) bug, glitch
4. a mark or flaw that spoils the appearance of something (especially on a person's body); "a facial blemish"
(synonym) blemish, mar
(hypernym) appearance, visual aspect
(hyponym) birthmark, nevus
Verb
1. 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"
(synonym) desert
(hypernym) flee, fly, take flight
(hyponym) rat
(entail) protest, resist, dissent
(derivation) apostasy, renunciation, defection

adj. defective, faulty, flawed

n. defect, fault, flaw

(v. t.)
To injure; to damage.
  

(v. i.)
To fail; to become deficient.
  

(n.)
Want or absence of something necessary for completeness or perfection; deficiency; -- opposed to superfluity.
  

(n.)
Failing; fault; imperfection, whether physical or moral; blemish; as, a defect in the ear or eye; a defect in timber or iron; a defect of memory or judgment.