uptime adj.

esp. in time-travel contexts: in or from the future; cf. downtime adj.

Time Travel

  • 1978 C. Kilian Empire of Time (1985) 45 Crawford Kilian bibliography

    The New Orc Times was typically Colonial, from its punny title to its trivial content. Most of the paper was reprinted from uptime media; by the time Pierce waded through all two hundred pages, he had absorbed most of yesterday’s Earth news but learned little of local events.

  • 1988 R. Silverberg House of Bones in Collected Stories ii. (1993) 157 Robert Silverberg bibliography

    Within a few weeks I realized that something had gone wonky on the uptime end, that the experiment had malfunctioned and that I probably wasn’t ever going to get home.

  • 1990 I. Watson In the Upper Cretaceous in Magazine of Fantasy & Science Fiction Aug. 7 page image Ian Watson

    Cretaceous landscape wasn’t too dissimilar to that of uptime Britain, except perhaps that there was so much of it; that everything was landscape.

  • 2002 G. A. Landis At Dorado in Asimov’s Science Fiction Oct.–Nov. 72 page image Geoffrey A. Landis bibliography

    In fact, none of them would even know about the wreck yet; unless they had transferred across through an uptime wormhole, it was still in their future.


Research requirements

antedating 1978

Earliest cite

Crawford Kilian

Research History
Fred Galvin submitted a cite from a 1984 version of Poul Anderson's essay "The Discovery of the Past". We would like to check the cite in the 1977 version of this essay in "Profanity" magazine.
Fred Galvin submitted a cite from a 1985 reprint of Crawford Kilian's "The Empire of Time".

We would like cites of any date from other sources.

Fred Galvin found a reference that suggests the term is used in the sense 'in the past' in Ian Wallace's "Croyd Spacetime Maneouvres" series; we would like to check these books to verify this use.

Last modified 2021-02-22 14:02:33
In the compilation of some entries, HDSF has drawn extensively on corresponding entries in OED.