Nausea, a feeling of discomfort or queasiness in the stomach, can be described using various synonyms that convey the same sensation. Some suitable alternatives for the word 'nausea' include sickness, queasiness, vomiting, unsettled stomach, nausea and retching. These terms can help individuals express their discomfort to healthcare providers or others. Other words that can be used synonymously with nausea include stomach upset, indigestion, diarrhea and bloating. Overall, these synonyms for nausea can be useful for people experiencing discomfort, as they may help communicate their condition more effectively.