Phasers, a term most commonly associated with sci-fi and space operas, refer to a type of directed-energy weapon used in futuristic warfare. However, there are numerous synonyms for this term that can be used to diversify vocabulary in this context. Laser guns, beam weapons, pulse guns, and plasma rifles are all words that can be used interchangeably with phasers. Other notable synonyms include energy blasters, ion cannons, and directed-energy weapons. While phasers remain the most popular term when it comes to describing futuristic weapons, the use of alternative synonyms can add more variation and intrigue to the writing in this genre.