The meaning of DEFECT is an imperfection or abnormality that impairs quality, function, or utility : shortcoming, flaw. How to use defect in a sentence.

DEFECT definition: a shortcoming, fault, or imperfection: a defect in a machine. See examples of defect used in a sentence.

They are already used frequently in structural analysis, for example to detect micro- or nanoscale defects.

A defect is a fault or imperfection in a person or thing. He was born with a hearing defect. A defect in the aircraft caused the crash. A report has pointed out the defects of the present system.

Definition of defect noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. a fault or shortcoming; imperfection. 2. lack of something essential: a defect in hearing. 3. to desert a cause, country, etc.: to defect to the West.

defect meaning, definition, what is defect: a fault or a lack of something that mean...: Learn more.

Defect definition: An imperfection or lack that causes inadequacy or failure; a shortcoming or deficiency.

Mar 13, 2026 · Noun defect (plural defects) A fault or malfunction. a defect in the ear or eye; a defect in timber or iron; a defect of memory or judgment

The defects of one's qualities, virtues carried to excess, the faults apt to accompany or flow from good qualities. [L. deficĕre, defectum, to fail— de, down, and facĕre, to do.]