NONSTEROIDAL Antonyms There are 2 antonyms of the word nonsteroidal. (opposite meanings)Did you mean?Definition of NONSTEROIDALBest Opposite Words For NONSTEROIDALTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb Expand?WordSave?Synonyms..UsageTypesteroidaladjectiveadjadjective • of or relating to steroid hormones or their effectshormonaladjectiveadjadjective • of or relating to or caused by hormones