'Precipitousness' definitions:

Definition of 'precipitousness'

From: WordNet
noun
The property possessed by a slope that is very steep [syn: abruptness, precipitousness, steepness] [ant: gentleness, gradualness]
noun
The quality of happening with headlong haste or without warning [syn: abruptness, precipitateness, precipitousness, precipitance, precipitancy, suddenness]

Definition of 'Precipitousness'

From: GCIDE
  • Precipitous \Pre*cip"i*tous\, a. [L. praeceps, -cipitis: cf. OF. precipiteux. See Precipice.]
  • 1. Steep, like a precipice; as, a precipitous cliff or mountain. [1913 Webster]
  • 2. Headlong; as, precipitous fall. [1913 Webster]
  • 3. Hasty; rash; quick; sudden; precipitate; as, precipitous attempts. --Sir T. Browne. "Marian's low, precipitous `Hush!'" --Mrs. Browning. [1913 Webster] -- {Pre*cip"i*tous*ly}, adv. -- {Pre*cip"i*tous*ness}, n. [1913 Webster]