AskDefine | Define impetus

Dictionary Definition



1 a force that moves something along [syn: drift, impulsion]
2 the act of applying force suddenly; "the impulse knocked him over" [syn: impulse, impulsion]

User Contributed Dictionary



  1. Something that impels, a stimulating factor.
    The outbreak of World War II in 1939 gave a new impetus to receiver development.
  2. A force, either internal or external, that impels; an impulse.
  3. The force or energy associated with a moving body; a stimulus.
  4. An activity in response to a stimulus.



  1. an attack


Extensive Definition

Impetus may refer to:
impetus in German: Impetus
impetus in Swedish: Impetus

Synonyms, Antonyms and Related Words

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