Dictionary.com

runaway star

Save This Word!

noun Astronomy.
a star with an unusually high proper motion, believed to result from its ejection from a nearby binary system when its companion star underwent a supernova explosion.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of runaway star

First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use runaway star in a sentence

FEEDBACK