CONCAVO-CONVEX Antonyms There are 2 antonyms of the word concavo-convex. (opposite meanings)Did you mean?Definition of CONCAVO-CONVEXBest 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 Expand?WordSave?Synonyms..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