D defs.my
Entry 1 sense Webster, 1913

Unsound

/ŭn-soundʹ/ · Un·sound · IPA /ˌʌnˈsaʊnd/
01 a. Not sound; not whole; not solid; defective; infirm; diseased.
  1. 1.
    Not sound; not whole; not solid; defective; infirm; diseased.