Meaning of DEFECT in English

DEFECT

I. ˈdēˌfekt also də̇ˈf- or dēˈf- noun

( -s )

Etymology: Middle English defaicte shortcoming, from Middle French defect, from Latin defectus lack, from defectus past participle of deficere to desert, fail, be wanting, from de- + -ficere (from facere to make, do) — more at do

1. : an irregularity in a surface or a structure that spoils the appearance or causes weakness or failure : fault , flaw

carefully examine a piece of timber for defects

: shortcoming

a moral defect in his nature

several defects can be found in this argument

2.

[Latin defectus ]

: want or absence of something necessary for completeness, perfection, or adequacy in form or function : deficiency , weakness — opposed to excess

laziness may be caused by a defect of health

a defect in his hearing

Synonyms: see absence , blemish

II. də̇ˈfekt, dēˈ- sometimes ˈdēˌf- intransitive verb

( -ed/-ing/-s )

Etymology: Latin defectus, past participle

1. obsolete : to become deficient : fail

2. : to forsake or fall away from a cause or party especially in order to embrace another : desert

he defected to the West

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.