Synonyms of invalid in English:

invalid1

Pronunciation: stress on the first syllable

adjective

  • noun

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  • verb

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  • an officer invalided by a chest wound
    disable, incapacitate, indispose, hospitalize, put out of action, lay up, cripple, paralyse, lame, put on the sick list; injure, wound, hurt, weaken, enfeeble
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    Word of the day semblance
    Pronunciation: ˈsɛmbləns
    noun
    the outward appearance or apparent form of something…

    Synonyms of invalid in English:

    invalid2

    Pronunciation: stress on the second syllable

    adjective

  • 1 the by-law was invalid because it infringed rights of common
    void, legally void, null, null and void, unenforceable, not binding, inoperative, worthless; illegitimate, incorrect, improper, unacceptable, inapplicable; annulled, nullified, cancelled, revoked, rescinded, abolished, repealed
    [Antonyms] valid binding
  • 2 the whole theory is invalid
    false, untrue, inaccurate, faulty, fallacious, spurious, inadequate, unconvincing, unsound, weak, wrong, wrongly inferred, wide of the mark, off target; unjustified, unsubstantiated, unwarranted, untenable, baseless, ill-founded, unfounded, groundless; illogical, irrational, unscientific, absurd, preposterous, inconsistent
    informal off beam, out, way out, full of holes, bogus
    [Antonyms] true accurate
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