FLEXOR Antonyms There is 1 antonym of the word flexor. (opposite meanings)Did you mean?Definition of FLEXORAlso try opposite words for..flexflexedflexesflexionflexingBest Opposite Words For FLEXORTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1extensornoun, adjectiven, adj Alternatives for EXTENSOR Words (4)expanderprotractorenrootoutstretchPhrases (1)extensor muscleOpposite words for extensor