Free, no signup required:

Add to Chrome

Get instant definitions for any word that hits you anywhere on the web!

Free, no signup required:

Add to Firefox

Get instant definitions for any word that hits you anywhere on the web!

Browse Definitions.net

Quiz

Are you a words master?

»
a person who pleads for a cause or propounds an idea
A macron
B ventricle
C defilement
D exponent