skyrocket
oxford
views updated May 11 2018sky·rock·et / ˈskīˌräkit/ •
n. a rocket designed to explode high in the air as a signal or firework.•
v. (-rock·et·ed, -rock·et·ing) [intr.] inf. (of a price, rate, or amount) increase very steeply or rapidly: the cost of housing has skyrocketed.
The Oxford Pocket Dictionary of Current English