SINEW Antonyms There are 2 antonyms of the word sinew. (opposite meanings)Did you mean?Definition of SINEWSynonyms of SINEWAlso try opposite words for..sinewssinewyBest Opposite Words For SINEWTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1feebleadjectiveadj2weakadjectiveadj Alternatives for FEEBLE Words (19)infirmweakdebilitatedanemicdelicatefragilefrailpowerlesspunysicklyenfeebledfaintdebiledecrepitlamenervelessricketysaplessweaklyOpposite words for feeble Alternatives for WEAK Words (20)feeblefrailwateryassailabledebiledecrepitdilutefaintfallibleimperfectinfirmlightpowerlessricketysaplessunaccentedvinciblevulnerablewashyweaklyOpposite words for weak