The phrase "theatre of the absurd" is often used to describe plays that are characterized by their lack of conventional plot structure, illogical dialogue, and surreal scenarios that defy rational explanation. Synonyms for this term include "theater of the grotesque," which emphasizes the bizarre and macabre aspects of these works; "theater of cruelty," which focuses on the brutal and violent themes often found in absurd plays; and "absurdist theater," which simply refers to the genre as a whole. Other related terms include "existential theater," which explores the philosophical themes of human existence, and "black comedy," which blends dark humor with absurdity to create a unique and often unsettling style of performance.