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