English edit

Etymology edit

perilous +‎ -ness

Noun edit

perilousness (uncountable)

  1. The quality of being perilous.
    • 1929, Robert Dean Frisbee, The Book of Puka-Puka, Eland, published 2019, page 121:
      My nerves were now keyed to a point beyond fear; nevertheless, I realised the perilousness of our situation.

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