CONCAVO-CONVEX Antonyms2 antonyms for concavo-convex. (opposite meanings)Definition of CONCAVO-CONVEX Best Opposite Words For CONCAVO-CONVEXTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb WordSaveSyns..UsageTypeconcaveadjectiveadjadjective • curving inwardconvexadjectiveadjadjective • curving or bulging outward Alternatives for CONCAVE Words (10)archedbentcurveddenteddepressedhollowincurvatesunkenindentedscoopedOpposite words for concave Alternatives for CONVEX Words (1)bulgingOpposite words for convex