Impulse Definition
 ĭmpŭls 
  impulses
  
    noun
  
 
    impulses
  
An impelling force; sudden, driving force; push; thrust; impetus.
 Webster's New World 
The motion or effect caused by such a force.
 Webster's New World 
An impelling, or driving forward with sudden force.
 Webster's New World 
Incitement to action arising from a state of mind or some external stimulus.
 Webster's New World 
A sudden inclination to act, usually without premeditation.
 An impulse purchase.
 Webster's New World 
    adjective
  
 Characterized by impulsiveness or acting on impulse.
 An impulse shopper; impulse buying.
 American Heritage 
Other Word Forms of Impulse
Noun
Singular:
 impulsePlural:
 impulsesOrigin of Impulse
-  
For spelling, as in pulse, the -e (on -lse) is so the end is pronounced /ls/, rather than /lz/ as in pulls, and does not change the vowel (‘u’). Compare else, false, convulse.
From Wiktionary
 -  
Latin impulsus from past participle of impellere to impel impel
From American Heritage Dictionary of the English Language, 5th Edition
 -  
From Middle French impulser, from Latin impulsus.
From Wiktionary
 
Related Articles
Find Similar Words
Find similar words to impulse using the buttons below.





