Cytolytic refers to the destruction or lysis of cells. Some synonyms for cytolytic include cytocidal, cytotoxic, cell-kill, and cell-destructive. Cytocidal refers to agents that cause the death of cells, while cytotoxic means toxic to cells. Cell-kill and cell-destructive have the similar meaning of destroying cells. There are also related terms like cytolysis, which refers to the bursting of cells, and cytoclasis, which means the breaking of cells. These synonyms can be used in various contexts, including the study of diseases like cancer and the use of cytotoxic drugs in medical treatments.