Breadcrumb Home > Thesaurus > S Synonyms of steepen Find synonyms for: Verb 1. steepen, change usage: become steeper; "The mountain side has steepened" 2. steepen, change, alter, modify usage: make steeper; "The landslides have steepened the mountain sides" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of steepen (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: stygian Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language