1. A projectile firework that sends a bright light high into the sky, or used to propel a lifesaving line or harpoon
   "The coast guard used a skyrocket to send a line to the stranded ship";
   - rocket
    
2. Sends a firework display high into the sky
   "The skyrocket exploded in a burst of colourful sparks";
   - rocket

1. Shoot up abruptly, like a rocket
   "prices skyrocketed";
   - rocket

Derived forms: skyrocketed, skyrocketing, skyrockets

Type of: arise, come up, firework, go up, lift, move up, pyrotechnic, rise, uprise [archaic, literary], visual signal

Encyclopedia: Skyrocket