Definition of unsoundness noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˌʌnˈsaʊndnəs//
    ; NAmE NAmE//ˌʌnˈsaʊndnəs//
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  1. 1the fact that something contains mistakes or cannot be relied on synonym unreliability The unsoundness of such reasoning can easily be demonstrated.
  2. 2the fact of being in poor condition; the fact of being weak and likely to fall down a building's structural unsoundness
  3. 3the fact of not being acceptable or of not holding acceptable views He was accused of doctrinal unsoundness.
  4. opposite soundness
    Idioms (law) the fact of not being responsible for your actions because of a mental illness