down-hill (adj.) Copy link Outline 1. declīvis, e2. prōclīvis, e3. prōnus • down-hill (adj.): 1. declīvis, e: v. sloping. 2. prōclīvis, e: v. downward (adj.). 3. prōnus: the last part of the road is d., ultima via p. est, Ov.: Liv. Phr.: pleasure is d. work, in voluptates descenditur, Sen. Ep. 123, 14.