English edit

Etymology edit

unsound +‎ -ness

Noun edit

unsoundness (countable and uncountable, plural unsoundnesses)

  1. The state of being unsound.
    • 1951, John Wyndham, The Day of the Triffids:
      Most likely he was accounting for that by the bias my job might be expected to give – aggravated by a phobia resulting from my recent sting – and he was wondering whether it might connote other, perhaps less harmless, unsoundnesses.

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