What does Invalid mean?

Definitions for Invalidˈɪn və lɪd; Brit. -ˌlid

Here are all the possible meanings and translations of the word Invalid.

Princeton's WordNet

  1. invalid, shut-in(adj)

    someone who is incapacitated by a chronic illness or injury

  2. invalid(adj)

    having no cogency or legal force

    "invalid reasoning"; "an invalid driver's license"

  3. invalid(verb)

    no longer valid

    "the license is invalid"

  4. invalid(verb)

    force to retire, remove from active duty, as of firemen

  5. disable, invalid, incapacitate, handicap(verb)

    injure permanently

    "He was disabled in a car accident"


  1. invalid(Noun)

    One who is confined to home or bed because of illness, disability or injury

  2. invalid(Noun)

    Any person with a disability.

  3. invalid(Verb)

    To exempt from duty because of injury or ill health.

    He was invalided home after the car crash.

  4. invalid(Adjective)

    Not valid; not true, correct, acceptable or appropriate.

  5. invalid(Adjective)

    Intended for use by an invalid.

Webster Dictionary

  1. Invalid(adj)

    of no force, weight, or cogency; not valid; weak

  2. Invalid(adj)

    having no force, effect, or efficacy; void; null; as, an invalid contract or agreement

  3. Invalid(adj)

    a person who is weak and infirm; one who is disabled for active service; especially, one in chronic ill health

  4. Invalid(noun)

    not well; feeble; infirm; sickly; as, he had an invalid daughter

  5. Invalid(verb)

    to make or render invalid or infirm

  6. Invalid(verb)

    to classify or enroll as an invalid

  7. Origin: [See Invalid, n.]


  1. invalid

    The name invalid is reserved by the Internet Engineering Task Force in RFC 2606 as a domain name that may not be installed as a top-level domain in the Domain Name System of the Internet.

Chambers 20th Century Dictionary

  1. Invalid

    in-val′id, adj. without value, weight, or cogency: having no effect: void: null.—adj. In′valid, deficient in health, sick, weak.—n. one who is weak: a sickly person: one disabled for active service, esp. a soldier or sailor.—v.t. to make invalid or affect with disease: to enrol on the list of invalids.—v.t. Inval′idāte, to render invalid: to weaken or destroy the force of.—ns. Invalidā′tion; In′validhood, In′validism; In′validing, the return home, or to a more healthy climate, of soldiers or sailors who have been rendered incapable of active duty by wounds or the severity of foreign service; Invalid′ity, Inval′idness, want of cogency: want of force.


  1. Chaldean Numerology

    The numerical value of Invalid in Chaldean Numerology is: 3

  2. Pythagorean Numerology

    The numerical value of Invalid in Pythagorean Numerology is: 8

Sample Sentences & Example Usage

  1. Irish Proverb:

    Every invalid is a doctor.

  2. Matshona Dhliwayo:

    Valid questions are better than invalid assumptions.

  3. Andrea Kavanagh:

    It's not just hurting the stocks. It's making the study of them invalid.

  4. Norbu Dunzhub:

    The identification was done without authorization. It was illegal and invalid.

  5. Robert Sarah:

    Hosts that are completely gluten-free are invalid matter for the celebration of the Eucharist.

Images & Illustrations of Invalid

  1. InvalidInvalidInvalid

Translations for Invalid

From our Multilingual Translation Dictionary

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