To save this word, you'll need to log in.
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
Keep scrolling for more
Keep scrolling for more
Comments on pump up
What made you want to look up pump up? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Obscure Shapes
- Something that is ooid is shaped like:
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
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