Sort: Oldest first
 
2006 - WordNet 3.0
By Princeton University
 
2010 - New Age Dictionary Database
By Oddity Software
 
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.
 
1920 - A dictionary of scientific terms (6th edition)
By J.H. Kenneth
 
1919 - The concise Oxford dictionary of current English
By Sir Augustus Henry