Chemical irritant is a term used to describe a substance that causes irritation or damage to tissues when it comes into contact with living organisms. Some common examples of chemical irritants include tear gas, pepper spray, and rubbing alcohol. Synonyms for the term chemical irritant include caustic substance, noxious substance, irritant agent, toxic substance, and injurious agent. These synonyms are often used interchangeably with chemical irritant to describe substances that have the potential to cause harm or irritation to living organisms. Understanding the synonyms for chemical irritant can be helpful in determining the proper precautions to take when handling or working with these substances.