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unsound

2 syllables
Quick answer

As an adjective, unsound means not sound, particularly:.

Meanings of unsound

9 meanings

adjective

  1. Not sound, particularly:

  2. Not whole, not solid, defective.

  3. especially of horsesInfirm, diseased.

  4. UKespecially of peopleNot good, unreliable.

  5. Not in good condition; damaged or decayed

    “an unsound foundation”

  6. Containing or based on a fallacy

    “fallacious reasoning”

    “an unsound argument”

    Similar: fallacious
  7. Suffering from severe mental illness

    “of unsound mind”

    Similar: mentally ill, unstable
  8. Physically unsound or diseased

    “has a bad back”

    “a bad heart”

    “bad teeth”

    Similar: bad, unfit
  9. Of e.g. advice

Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).

unsound around the world

UKNot good, unreliable.

Synonyms by meaning

adjective: containing or based on a fallacy
adjective: suffering from severe mental illness
mentally illunstable
adjective: physically unsound or diseased
Oppositessound

Words that rhyme with unsound

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