The phrasal verb "fire up" is primarily used in informal contexts, though it may appear in certain formal settings when the intention is to add a more dynamic or vivid expression. General usage patterns include contexts where one wants to express initiating a device or an intense emotional reaction, e.g., "fire up the grill" or "fire up the crowd." Typically, it serves to convey the act of starting or igniting something, either literally, like starting an engine, or figuratively, like stimulating excitement or anger in people. Additionally, "fire up" can imply offering encouragement or motivation, as in inspiring someone to action. It hints at energy and enthusiasm, which reinforces the informal, vibrant tone common in conversational English. With its versatility and vivid imagery, "fire up" effectively engages listeners, making it a popular choice in expressive, dynamic speech.
B2
UpperIntermediate
1. To start a machine or device.
He fired up the computer to check his emails.
She fired up the grill to start cooking dinner.
2. To make someone feel enthusiastic or excited.
The coach fired up the team with an inspiring speech.
His passion for the project fired her up to contribute her ideas.
