nonlight

1. not comparableNot light (in various senses).

   a nonlight beer

plural nonlights

1. countableuncountableSomething which is not light or lacks light (in various senses).

   In the nonlight that prevailed there, Kimbrough's face under its strands of black hair looked even paler than it did outside.

   1978 [1974], Alfred Andersch, translated by Richard Winston and Clara Winston, Winterspelt, Garden City, N.Y.: Doubleday & Company, Inc., →ISBN, page 259

   1 more example

   Of the 92% of the transports that did not involve the use of lights and sirens, nearly one-half received some advance life support intervention either prior to or during transport. There were no adverse events associated with the nonlights and siren transports.

   2008, Nels D. Sanddal, Steve Albert, Joseph D. Hansen, Douglas F. Kupas, “Contributing Factors and Issues Associated with Rural Ambulance Crashes: Literature Review and Annotated Bibliography”, in Prehospital Emergency Care, volume 12, number 2, →DOI, →ISSN, →OCLC, page 261, column 2