Definition, Meaning & Synonyms

light a fire under someone

idiomatic expression
/laɪt ə faɪər ˈʌndər ˈsʌmwʌn/
Definition
To instill motivation or urgency in someone, encouraging them to take action or work harder.
Examples
  • The manager tried to light a fire under the sales team to meet their targets.
  • After weeks of procrastination, her friend finally lit a fire under her to start studying for the exams.
Meaning
The phrase implies pushing someone to be more active or to improve their performance, often in a way that creates a sense of urgency.
Synonyms
  • motivate
  • encourage
  • stimulate
  • spur on
  • drive