Invalid and Sound

Opposite meaning words

sentence examples collocations

Invalid

Invalid adjective - Chronically or repeatedly suffering from poor health.
Usage example: an old and now invalid woman who rarely gets out anymore
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Synonyms for Invalid
Antonyms for Invalid
Sound is an antonym for invalid in topics: unfounded, sickly, worthless.
Nearby Words: invalidate, invalidated, invalidity, invalided, invalidation

Sound

Sound adjective - According to the rules of logic.
Usage example: sound reasoning alone should tell you that the result is invalid
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Synonyms for Sound
Antonyms for Sound
Invalid is an antonym for sound.
Nearby Words: sounded, soundness, soundly, sounding, sounder
Similar words of invalid

Similar words of sound

Common collocations

thanks invalid thanks sound thanks

Both words in one sentence

  • The premises and conclusion can be "true" or "false"; the chain of reasoning itself can be "valid" or "invalid"; the argument as a whole is either "sound" or "unsound".
    Source: Sound, Valid, True
  • Web Video / Final Fantasy VII Machinabridged Sound Effect Bleep: Particularly foul-mouthed cursing is at least partially bleeped out by the "invalid option" sound effect from the game.
    Source: Web Video / Final Fantasy VII Machinabridged
Cite this Source
Sound and Invalid. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/invalid/sound
Invalid & Sound. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/invalid/sound>.
Sound or Invalid. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/invalid/sound.

Antonyms for invalid


Antonyms for sound

Google Ngram Viewer shows how "invalid" and "sound" have occurred on timeline