"Grand mal" is a term used to describe a severe type of epileptic seizure characterized by violent convulsions. However, there are several synonyms for this term that can be used interchangeably. One such synonym is "tonic-clonic seizure," which is more commonly used in medical terminology. Another synonym for grand mal is "generalized seizure" since it involves the entire brain. A "major seizure" is also another term used to describe grand mal seizures due to their intense impact on the body. Lastly, "epileptic fit" is a more general term used to describe any type of seizure, including grand mal seizures. Regardless of the term used, proper diagnosis and treatment are essential for managing grand mal seizures.