SOFTBACK Antonyms There are 2 antonyms of the word softback. (opposite meanings)Did you mean?Definition of SOFTBACKAlso try opposite words for..softsoftensoftlysoftersoftestBest Opposite Words For SOFTBACKTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1hardbacknoun, adjectiven, adj2hardcovernoun, adjectiven, adj Alternatives for HARDBACK Words (3)hardbackedhardboundhardcoverOpposite words for hardback Alternatives for HARDCOVER Words (3)hardbackhardbackedhardboundOpposite words for hardcover