single-minded

single-minded

1. Very dedicated and unwavering. Once school starts, Lisa is usually single-minded in her pursuit of good grades.
2. Focused on only one thing. Once school starts, Lisa is usually driven by the single-minded pursuit of good grades.
Farlex Dictionary of Idioms.
See also:
  • inner
  • inner circle
  • a good bet
  • as the spirit moves (one)
  • as/if/when the spirit moves you
  • be in the driving seat
  • boiling mad
  • be in the saddle
  • all downhill from here
  • McFly