fire up

phrasal 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 up

We were fired up for the concert.

Examples of fire up in a Sentence

Recent Examples on the Web

She's so fired up for this antidote. —Dalton Ross, Entertainment Weekly, 27 Feb. 2026

Innovation came out fired up in the second half after Lourdes had taken a 2-0 lead on a pair of long goals from Lorena Alvarez. —Chris Hays, The Orlando Sentinel, 27 Feb. 2026

Cytokines are the immune system’s chemical messengers that fire up immune cells and tell them to fight invaders, like bacteria and viruses. —Sonya Collins, SELF, 26 Feb. 2026

Trump's political playbook has always focused more on firing up his supporters than widening the tent. —Averi Harper, ABC News, 25 Feb. 2026

Rhymes for fire up

• buttercup
• backup
• blowup
• breakup
• buildup
• checkup
• cleanup
• holdup
• hookup
• lineup
• lockup
• makeup