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: 1. a fault or problem in something or someone that spoils that thing or person or causes it, him…. Learn more.

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.

A flaw in something is a defect. At certain stores you can buy clothes with slight defects. You have to be careful because the defect can be minor, like a missing button, or major, like sleeves of uneven lengths.

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

There are nine meanings listed in OED's entry for the noun defect, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Nov 24, 2025 · defect (plural defects) A fault or malfunction. quotations a defect in the ear or eye; a defect in timber or iron; a defect of memory or judgment

Aug 30, 2025 · The word defect is a noun (but also works as a verb) that generally refers to a shortcoming, flaw, or imperfection in something or someone. Think of it as a mistake or a weakness …

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: …

noun Want or lack of anything; especially, the lack of something which is essential to perfection or completeness; a fault; a blemish; an imperfection: as, a defect in timber; a defect in the organs of …