corrosive(noun, adjective) adjective1. of a substance, especially a strong acid; capable of destroying or eating away by chemical actionSimilar word(s): destructive, caustic, erosive, mordant, vitriolic2. spitefully sarcastic- corrosive cristismSimilar word(s): sarcastic noun1. a substance having the tendency to cause corrosion (such a strong acids or alkali)Definition categories: substance, compound