meaning of nausea
nauseanoun [ U ] uk â /ËnÉË.zi.É/ /ËnÉË.zi.ÊÉ/ us â /ËnÉË.zi.É/ /ËnÉË.zi.ÊÉ/. âº the feeling that you are going to vomit: Signs of the illness include fever, nausea, and vomiting. Thesaurus: synonyms and related words. Vomiting & feelings of sickness.