Pressure suits are specially designed protective garments that are used to protect astronauts and pilots from the harsh environment of space. These suits are also used in deep-sea diving, where the pressure can be extremely high. However, there are several synonyms for "pressure suits" including "space suits", "spacecraft suits", "pilot suits", "aviator suits", "high-altitude suits", and "space exploration suits". Each term emphasizes a specific aspect of the suit's use, whether it is for spaceflight, high-altitude flight, or deep-sea diving. Regardless of the synonym used, pressure suits play a crucial role in protecting individuals in some of the most extreme environments known to man.