emetic /əˈmɛt.ɪk/adjective 1noun 1forms 3 adjective1 •Causing nausea and vomiting.[...] many common therapeutics of her time, such as the emetic calomel, dramatically inflamed the tongue, gums, and salivary glands. — 2008 noun1 •An agent that induces vomiting. formsemetics · more emetic · most emetic