The Collaborative International Dictionary of English v.0.48:

Unexampled \Unexampled\
   See exampled.

The Collaborative International Dictionary of English v.0.48:

Unexampled \Un`ex*am"pled\, a.
   Having no example or similar case; being without precedent;
   unprecedented; unparalleled. "A revolution . . . unexampled
   for grandeur of results." --De Quincey.
   [1913 Webster]

WordNet (r) 3.0 (2006):

unexampled
    adj 1: having no previous example or precedent or parallel; "a
           time of unexampled prosperity" [syn: new, unexampled]

Moby Thesaurus II by Grady Ward, 1.0:

27 Moby Thesaurus words for "unexampled":
   alone, exceptional, extraordinary, fabulous, indescribable,
   ineffable, legendary, lone, marvelous, mythical, noteworthy,
   phenomenal, portentous, prodigious, remarkable, singular, sole,
   solitary, solo, stupefying, stupendous, unique, unparalleled,
   unprecedented, unrepeatable, unspeakable, wonderful