driving force behind (something)

driving force behind (something)

The primary instigator, catalyst, or motivator that compels or directs something to happen. Major financial losses were the driving force behind the layoffs. He dreamed of being a driving force behind changes in his country's government someday.
See also: behind, driving, force
Farlex Dictionary of Idioms.
See also:
  • driving force
  • the driving force
  • serve as the driving force
  • serve as the driving force (behind someone or something)
  • drive in
  • drive in(to)
  • drive into
  • drive-in
  • set the scene for
  • set the scene for (something)