'unrepeatable' definitions:

Definition of 'unrepeatable'

From: WordNet
adjective
Not able or fit to be repeated or quoted; "what he said was funny but unquotable" [syn: unrepeatable, unquotable] [ant: quotable, repeatable]
adjective
Unique; "dogs and mice and flies are as unrepeatable as men are"- Theodosius Dobzhansky