May Day is a term that refers to a distress signal used by pilots and sailors in times of danger. The term is typically used to indicate that a serious situation has arisen, and immediate assistance is required. Some synonyms for May Day include SOS, distress signal, emergency signal, and call for help. Each of these terms carries a similar meaning and can be used interchangeably in most contexts. Other related terms may include emergency, crisis, and danger, which all highlight the seriousness and urgency of the situation. Despite the grim connotations associated with these terms, they highlight the importance of prompt and effective response in times of need.