Breadcrumb Home > Thesaurus > C Synonyms of cusp Find synonyms for: Noun 1. cusp, point usage: point formed by two intersecting arcs (as from the intrados of a Gothic arch) 2. cusp, leaflet, flap usage: a thin triangular flap of a heart valve 3. cusp, point, tip, peak usage: small elevation on the grinding surface of a tooth WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of cusp (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: spelunk Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language