pumped up; pumping up; pumps up
Definition of pump up
1a
: to fill with enthusiasm or excitement
b
: to fill with or as if with air : inflate
2
: increase sense 1
Test Your Vocabulary
Commonly Confused Words Quiz
-
- I went to the ______ store to buy a birthday card.

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share pump up
Time Traveler for pump up
The first known use of pump up was in 1791
See more words from the same year