CONVEXNESS Antonyms1 antonym for convexness. (opposite meanings)Definition of CONVEXNESS convex Best Opposite Words For CONVEXNESSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb WordSaveSyns..UsageTypeconcaveadjectiveadjadjective • curving inward Alternatives for CONCAVE Words (10)archedbentcurveddenteddepressedhollowincurvatesunkenindentedscoopedOpposite words for concave