acclivitous

/əˈklɪvɪtəs/
adjective
  1. Sloping upward; rising steeply.
    • The acclivitous path made the hike much more challenging than expected.
    • The road became increasingly acclivitous as we approached the mountain pass.
    • They built their house on an acclivitous hillside with a beautiful view.
Antonyms
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