fire up
verb
fired up; firing up; fires up
1
: to start (something) by lighting a fire
We fired up the grill for the barbecue.
2
: to cause (something) to start working
I fired up my computer and got down to work.
Before we start working let's fire up the coffeemaker.
3
: to fill (someone) with energy or enthusiasm
The coach fired up the players with a pep talk.
—usually used as (be/get) fired upWe were fired up for the concert.
Cite this Entry
“Fire up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fire%20up. Accessed 13 Aug. 2026.
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