Feeling unwell or sick can be described using a range of different synonyms. Some common alternatives to "feel ill" include feeling under the weather, feeling queasy, feeling off-colour, feeling nauseous, feeling poorly, feeling weak, feeling lousy, feeling sickly, feeling awful or feeling rotten. Each of these phrases captures the general sense of physical discomfort, unease and malaise that comes with feeling unwell. Other more specific synonyms may include feeling feverish, feeling dizzy, feeling achy, or feeling lethargic. Whatever term you prefer to use, it's important to pay attention to your body's signals and take care of yourself when feeling unwell.