Definition of impetus in English:

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impetus

Pronunciation: /ˈimpədəs/

noun

1The force or energy with which a body moves: hit the booster coil before the flywheel loses all its impetus
Synonyms
momentum, propulsion, impulsion, motive force, driving force, drive, thrust;
energy, force, power, push, strength
1.1The force that makes something happen or happen more quickly: the crisis of the 1860s provided the original impetus for the settlements
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.
Synonyms
motivation, stimulus, incitement, incentive, inducement, inspiration, encouragement, boost, fillip, springboard
informal a shot in the arm

Origin

Mid 17th century: from Latin, 'assault, force', from impetere 'assail', from in- 'toward' + petere 'seek'.

More
  • compete from early 17th century:

    This word is from Latin competere in its late sense ‘strive or contend for (something)’: the elements here are com- ‘together’ and petere ‘aim at, seek’. As well as giving us competition (early 17th century) this is also the source of competent (Late Middle English); while petere gives us: impetus [M17] and impetuous (Late Middle English) ‘seek towards, assail’; petition (Middle English) an act of seeking for something; petulant (late 16th century) originally immodest in what you seek; and repeat (Late Middle English) seek again.

For editors and proofreaders

Syllabification: im·pe·tus

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