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Webster 1913 Edition

Adj.

Having no example or similar case; being without precedent; unprecedented; unparalleled.

“A revolution . . . unexampled for grandeur of results.”

De Quincey.

Adj.

Having no example or similar case; having no precedent; unprecedented; unparalleled; as the unexampled love and sufferings of our Savior.

unexampled ‎(not comparable)

Lacking prior examples; unprecedented.
- 1897, Henry James, What Maisie Knew:
  Shortly after this Mrs. Wix looked so ill that it was to be feared her ladyship had treated her to some unexampled passage.
- 1924, Herman Melville, Billy Budd, London: Constable & Co., Chapter 7,
  At the height of Napoleon's unexampled conquests […]