acclivity

an upward slope the steep acclivity was especially daunting for the novice hikers Synonyms ascent, hill, rise, upgrade, uphill, upriseRelated Words cant, diagonal, glacis, grade, gradient, inclination, incline, lean, pitch, rake, tilt; climb, hump, mound, ridge, swellNear Antonyms basin, depression, hollowAntonyms declension, decline, declivity, descent, dip, downgrade, downhill, drop-off, fall, hang, hanging