ACCLIVITY /ə.ˈklɪv.ə.ti/ Scrabble 19 Words With Friends 22 Definition noun an upward slope or grade (as in a road). — synonyms: ascent, rise, raise, climb, upgrade See all 68 words you can make from ACCLIVITY → 9-letter words Words starting with A Words ending with Y ← Unscramble different letters