- 1The force or energy with which a body moves: hit the booster coil before the flywheel loses all its impetus
- 1.1Something that makes a process or activity happen or happen more quickly: the ending of the Cold War gave new impetus to idealismMore example sentences
- The requirements of homogeneous diesel combustion processes give additional impetuses to the continued development of piezo controls for unit injector systems.
- The expanded literature search was very coincident with the initial search, providing most of the same reasons, purposes, and impetuses for developing peer institution selection systems.
- One of the most interesting points to emerge is a recognition that with hindsight, European radicalism has once again written itself as a form of diffusionism, its sources and impetuses exclusive unto itself.
mid 17th century: from Latin, 'assault, force', from impetere 'assail', from in- 'towards' + petere 'seek'.