September 2015 update
Hundreds of new words, phrases, and senses have entered the Oxford English Dictionary in the September 2015 update. Additions this quarter include hoverboard, telly addict, water baby, and underwater hockey. You can read more about the new and revised words and meanings in this article by Jonathan Dent, Assistant Editor of the OED.
See a full list of the new words, subentries, and senses added in this update.