Definition of impetus in English:


Line breaks: im|petus
Pronunciation: /ˈɪmpɪtəs


[mass noun]
1The force or energy with which a body moves: hit the booster coil before the flywheel loses all its impetus
momentum, propulsion, impulsion, impelling force, motive force, driving force, drive, thrust, continuing motion;
energy, force, power, push, steam, strength
1.1Something that makes a process or activity happen or happen more quickly: the ending of the Cold War gave new impetus to idealism
More 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'.

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