What is another word for caustic?
Pronunciation: [kˈɔːstɪk] (IPA) 
The word "caustic" refers to the property of a substance to corrode or destroy things. However, there are various other synonyms available that can be used to convey the same sense as the word "caustic." Some of those synonyms are biting, cutting, abrasive, acrid, trenchant, sardonic, scathing, mordant, corrosive, and vitriolic. These words are usually used to describe someone's tone or remarks which are sarcastic or hurtful, particularly in the context of a conversation. If you wish to add flare to your conversations and writings, using synonyms of "caustic" could be a good idea.
