Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
imperfective
imperforate
imperia
imperial
imperial gallon
imperial moth
Imperial Valley
imperialism
imperil
imperious
imperishable
imperium
impermanent
impermeable
impermissible
impersonal
impersonalize
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

impetus

im·pe·tus [ ímpətəss ]


noun 
Definition:
 
1. push: the energy or motivation to accomplish or undertake something

2. physics force: a force that causes the motion of an object to overcome resistance and maintain its velocity

[Mid-17th century. < Latin, "assault, force" < impetere "assail" < petere "seek"]
Advertisement

© 2009 Microsoft