unprecedented: Meaning and Definition of

un•prec•e•dent•ed

Pronunciation: (un-pres'i-den"tid), [key]
— adj.
  1. without previous instance; never before known or experienced; unexampled or unparalleled: an unprecedented event.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: