Black humour is a form of comedy that employs dark and often morbid themes. There are a variety of synonyms that can be used to describe this type of humour. One common alternative is gallows humour, which refers to jokes or humour that is associated with death or tragedy. Another similar term is morbid humour, which focuses on topics related to death, illness and suffering. Other synonyms for black humour include macabre humour, dark comedy, and horror-comedy. These terms all have a slightly different connotation, but they all refer to a style of humour that is marked by its willingness to explore and play with taboo or unsettling themes.