unsound

  • (a) not in good condition; damaged or decayed
    • an unsound foundation
  • (a) not sound financially
    • unsound banking practices
  • (s) containing or based on a fallacy
    • fallacious reasoning
    • an unsound argument
    fallacious,
  • (s) suffering from severe mental illness
    • of unsound mind
    mentally ill, unstable,
  • (s) physically unsound or diseased
    • has a bad back
    • a bad heart
    • bad teeth
    • an unsound limb
    • unsound teeth
    unfit, bad,
  • (s) of e.g. advice

Synonyms

fallacious mentally ill unstable unfit bad

Antonyms

sound

See also

broken damaged injured unfit unhealthy unwholesome

Words of close approximity

unsoundable unsounded unsoundness