English Reference

Phrasal verb

fire up

Definition

phrasal verb. to start a machine or a computer program; it can also mean to make someone feel very excited or angry.

phrasal verb. to initiate the operation of an engine, device, or software application; figuratively, to stimulate intense emotion or enthusiasm in an individual or group.

Examples

“I need to fire up my laptop before the meeting starts.”

“The coach gave a powerful speech to fire up the players before the championship game.”

“As soon as the engineers fire up the main turbines, the entire facility begins to vibrate with immense power.”

Examples

simple

“I need to fire up my laptop before the meeting starts.”

contextual

“The coach gave a powerful speech to fire up the players before the championship game.”

complex

“As soon as the engineers fire up the main turbines, the entire facility begins to vibrate with immense power.”

Usage

often used with machines, software, or groups of people as the object.

Teaching tip

help students connect the literal sense of 'starting a fire' in an engine to the figurative sense of 'igniting' someone's emotions.

Pitfall

He fired up it.

He fired it up.

when the object is a pronoun like 'it', it must go between the verb and the particle.

Phrasal verb

Particles

up

Separability

optional

Pattern

fire + up + object

Synonyms

Antonyms

shut downdiscourageturn off

Grammar

This entry

Level
B2 · Upper Intermediate
Updated

Scan code

englishreference.com/q/fire-up

English Reference