superwave

/ˈsupərweɪv/
noun
  1. An extremely large or powerful wave, especially in surfing or ocean contexts.
    • Surfers from around the world came to ride the legendary superwave at Nazaré.
    • Scientists study superwaves to understand extreme ocean conditions.
    • The storm created a superwave that crashed over the seawall.
  2. A hypothetical or science-fictional wave of immense energy or force, often in space or physics.
    • The spaceship's shields barely held against the superwave of radiation.
    • In the novel, a superwave from a dying star threatened the entire galaxy.
    • Some theories suggest a superwave of dark matter could pass through our solar system.