What is another word for invalid?

Synonyms for invalid
ˈɪn və lɪd; Brit. -ˌlidin·valid

This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term invalid.


  1. invalid1



Complete Dictionary of Synonyms and Antonyms

  1. invalid

    infirm, sick, weakly, frail, feeble

    strong, vigorous, healthy, well

Princeton's WordNet

  1. invalid, shut-inadjective

    someone who is incapacitated by a chronic illness or injury


    binding, sound, well-grounded, unexpired, reasoned, valid, legal, effectual, legitimate, validated, logical

  2. invalidadjective

    having no cogency or legal force

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

    legitimate, logical, valid, validated, binding, sound, legal, reasoned, unexpired, well-grounded, effectual

  3. invalidverb

    no longer valid

    "the license is invalid"

    logical, well-grounded, unexpired, effectual, sound, reasoned, legal, legitimate, binding, valid, validated

  4. invalidverb

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

    disable, handicap, incapacitate

    validated, effectual, well-grounded, unexpired, legitimate, sound, valid, binding, legal, logical, reasoned

  5. disable, invalid, incapacitate, handicapverb

    injure permanently

    "He was disabled in a car accident"

    incapacitate, handicap, disable, disenable, hamper, hinder

    well-grounded, valid, sound, legitimate, legal, binding, validated, unexpired, reasoned, logical, effectual

Matched Categories

Dictionary of English Synonymes

  1. invalidadjective

    (Law.) void, null, of no legal force, null and void

Synonyms, Antonyms & Associated Words

  1. invalidadjective

    null, void, of no efficacy, baseless, unfounded

  2. invalidadjective


  3. invalidnoun


How to pronounce invalid?

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How to use invalid in a sentence?

  1. Yves Bot:

    It is apparent from the findings of the High Court of Ireland and of the (European) Commission itself that the law and practice of the United States allow the large-scale collection of the personal data of citizens of the EU which is transferred, without those citizens benefiting from effective judicial protection, the Commission decision is invalid.

  2. Texas Attorney General Ken Paxton:

    The Texas Constitution clearly defines marriage as between one man and one woman, as Texas voters approved by an overwhelming majority, the law of Texas has not changed, and will not change due to the whims of any individual judge or county clerk operating on their own capacity anywhere in Texas. Activist judges don't change Texas law, and we will continue to aggressively defend the laws of our state and will ensure that any licenses issued contrary to law are invalid.

  3. Steve Cohen:

    This constitutional amendment would limit the President's pardon power to grant a pardon or clemency to himself, his family, his administration officials, or his campaign advisors, it would also prevent pardons for conduct undertaken for a direct and significant personal benefit of the President, the President's family, or Administration officials, and for crimes committed in cooperation with the President.Finally, it ensures that pardons issued for a corrupt purpose are invalid.

  4. Justice Potter Stewart:

    The right to defy an unconstitutional statute is basic in our scheme. Even when an ordinance requires a permit to make a speech, to deliver a sermon, to picket, to parade, or to assemble, it need not be honored when it’s invalid on its face.

  5. Louis Uccellini:

    Snow measurements are extremely difficult to take because precipitation is inherently variable, a problem compounded by strong winds and compaction during a long duration event, still, it's important that we scrutinize questionable measurements and reject those that scientists deem invalid to ensure the public's continued confidence in the U.S. climate record.

Translations for invalid

From our Multilingual Translation Dictionary

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    Which of the following words is not a synonym of the others?
    • A. floaty
    • B. heavy
    • C. chirpy
    • D. perky

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