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

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

We had to point out the defect [= flaw] in their logic. Vanity and pride were his two worst character 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.

defect meaning, definition, what is defect: a fault or a lack of something that mean...: Learn 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 is the general word for any kind of shortcoming or imperfection, whether literal or figurative: a defect in eyesight, in a plan. A blemish is usually a defect on a surface, which mars the appearance: …

Feb 2, 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

May 2, 2023 · It is also common for defects to be defined as a nonconformance to stakeholder expectations. For example, if customers broadly view something as a bug, failure or shortcoming that …