The phrase "gat sick" is a colloquial term commonly used to describe feeling extremely ill or nauseous. However, there may be instances when you want to express the same feeling using different words. Synonyms for "gat sick" may include feeling queasy, nauseated, queasy feeling, feeling unwell, feeling sick to your stomach, feeling dizzy, and experiencing vertigo. These synonyms may come in handy when describing your symptoms to a doctor or when discussing your condition with others. Remember that it is essential to be clear and specific about your condition to get the appropriate medical attention.