rev up
phrasal verb
revved up; revving up; revs up
Definition of rev up
informal
1
: to become more active
The campaign is revving up.
2
: to make (someone or something) more active or effective
Big business spending is revving up the economy. The company is getting revved up for the launch of its new product line.
Test Your Vocabulary
Which Word Does Not Belong?
-
- Which of these words does not mean "nonsense"?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share rev up