What does defect mean?

Definitions for defect
ˈdi fɛkt, dɪˈfɛkt; dɪˈfɛktde·fect

This dictionary definitions page includes all the possible meanings, example usage and translations of the word defect.

Princeton's WordNet

  1. defectnoun

    an imperfection in a bodily system

    "visual defects"; "this device permits detection of defects in the lungs"

  2. defect, shortcomingnoun

    a failing or deficiency

    "that interpretation is an unfortunate defect of our lack of information"

  3. defect, fault, flawnoun

    an imperfection in an object or machine

    "a flaw caused the crystal to shatter"; "if there are any defects you should send it back to the manufacturer"

  4. blemish, defect, marverb

    a mark or flaw that spoils the appearance of something (especially on a person's body)

    "a facial blemish"

  5. defect, desertverb

    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"


  1. Defectverb

    to abandon one country or faction, and join another.


  1. defectnoun

    A fault or malfunction.

  2. defectverb

    To abandon or turn against; to cease or change one's loyalty.

  3. Etymology: From defaicte, from defectus, from deficere, from past participle defectus, from de- + facere.

Samuel Johnson's Dictionary

  1. DEFECTnoun

    Etymology: defectus, Latin.

    Errors have been corrected, and defects supplied. Davies.

    Had this strange energy been less,
    Defect had been as fatal as excess. Richard Blackmore, Creation.

    Oft ’tis seen
    Our mean secures us, and our mere defects
    Prove our commodities. William Shakespeare, King Lear.

    We had rather follow the perfections of them whom we like not, than in defects resemble them whom we love. Richard Hooker.

    You praise yourself,
    By laying defects of judgment to me. William Shakespeare, Ant. and Cleop.

    Trust not yourself; but your defects to know,
    Make use of ev’ry friend —— and ev’ry foe. Alexander Pope, Essay.

    Men, through some defect in the organs, want words, yet fail not to express their universal ideas by signs. John Locke.

  2. To Defectverb

    To be deficient; to fall short of; to fail. Obsolete.

    Etymology: from the noun.

    Some lost themselves in attempts above humanity, yet the enquiries of most defected by the way, and tired within the sober circumference of knowledge. Thomas Browne, Vulgar Errours.

Webster Dictionary

  1. Defectnoun

    want or absence of something necessary for completeness or perfection; deficiency; -- opposed to superfluity

  2. Defectnoun

    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

  3. Defectverb

    to fail; to become deficient

  4. Defectverb

    to injure; to damage

Chambers 20th Century Dictionary

  1. Defect

    de-fekt′, n. a deficiency: a want: imperfection: blemish: fault.—n. Defectibil′ity.—adj. Defect′ible, liable to imperfection: deficient.—ns. Defec′tion, a failure, a falling away from duty: revolt; Defec′tionist.—adj. Defec′tive, having defect: wanting in some necessary quality: imperfect: faulty: insufficient.—adv. Defect′ively.—n. Defect′iveness.—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.]

British National Corpus

  1. Nouns Frequency

    Rank popularity for the word 'defect' in Nouns Frequency: #2272

How to pronounce defect?

How to say defect in sign language?


  1. Chaldean Numerology

    The numerical value of defect in Chaldean Numerology is: 2

  2. Pythagorean Numerology

    The numerical value of defect in Pythagorean Numerology is: 7

Examples of defect in a Sentence

  1. Anita Loos:

    There is a serious defect in the thinking of someone who wants -- more than anything else -- to become rich. As long as they don't have the money, it'll seem like a worthwhile goal. Once they do, they'll understand how important other things are -- and have always been.

  2. Joseph Brooks:

    There is a serious defect in the thinking of someone who wants--more than anything else--to become rich. As long as they don't have the money, it'll seem like a worthwhile goal. Once they do, they'll understand how important other things are--and have always been.

  3. Charles Babbage:

    Propose to any englishman any principle, or any instrument, however admirable, and you will observe that the whole effort of the english mind is directed to find a difficulty, defect or an impossibility in it.

  4. Xu Xiuying:

    I thought it was a result of a genetic defect and assumed I had been born like that, so I didn’t think any more of it.

  5. Richard Blumenthal:

    I am deeply concerned that these vintage aircraft, decades old, some of them having been involved in crashes before, are still flying, until we know exactly what caused this crash, a major tragedy, whether it was a defect in the machine or some problem with maintenance or flying. There should be very serious scrutiny over these planes before theyre allowed back in the air.

Popularity rank by frequency of use


Translations for defect

From our Multilingual Translation Dictionary

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"defect." Definitions.net. STANDS4 LLC, 2023. Web. 1 Apr. 2023. <https://www.definitions.net/definition/defect>.

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    in or of the month preceding the present one
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