having a somewhat steep downward slope.
arduous, precipitous, hilly, abrupt, sharp, lofty, sheer, erect, perpendicular, high, elevated, precipitate, raised, lifted, breakneck, headlong, straight-up
- decline and fall of the roman empire, the,
Origin of declivitous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019