1901 Aug. 126/1 Many a foreign term mangled to unrepeatability in print.
1986 13 Mar. 121/1 Leading parapsychologists acknowledge the unrepeatability and admit that no single experiment has been free of error.
2004 (Nexis) 18 Sept. (Travel section) 1 Cartier-Bresson seizes an instant of self-awareness in his subjects.., or at least an awareness of the unrepeatability of the given moment.