Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
improbable
improbity
impromptu
improper
improper fraction
improper tax year
impropriety
improve
improve on
improved
improvement
improvident
improvise
improvised explosive device
imprudent
impudent
impudicity
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

improve on
improve on or improve upon


transitive verb 
Definition:
 
surpass in quality or level: to do better or be better than something, especially a previous standard or record
improved on her previous time by four seconds
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft