Gravedo is a medical term used to describe a cold or a chill. There are several synonyms available for this word, which can be used interchangeably. Some of these synonyms include cold, flu, chill, sniffling, sneezing, shivering, fever, influenza, and congestion. The word cold can be used to describe the symptoms caused by the viral infection, which include a runny nose, a cough, and a sore throat. Flu is a more severe form of a cold and is caused by the influenza virus. The word chill is used to describe a feeling of coldness and shivering. Other synonyms for gravedo include congestion, which refers to the buildup of mucus in the nasal passages, sneezing, and sniffling.