Synonyms for convex Updated: 25-10-2024 by Wikilanguages.net share facebook share twitter Some common synonyms of convex are: convex [a.] Gibbous, protuberant, rounding (outwardly). All 🔎︎ Synonyms of convexconvex [a.] Gibbous, protuberant, rounding (outwardly). Read More about: convex