Home › Words › N › nonilluminationnonilluminationnonillumination · noun — absence of illumination.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom non- + illumination.nounAbsence of illumination.e.g.“Nonillumination also makes sense if the site doesn't operate at night or if an overly commercial look is not desired.” — 2015, Chris Calori, David Vanden-Eynden, Signage and Wayfinding Design, page 218:Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.nonilluminated 77% match — Not illuminated; unlit. vs nonillumination →unilluminated 77% match — Not illuminated. vs nonillumination →lumination 71% match — Illumination; specifically, artificial illumination. vs nonillumination →nonluminosity 70% match — The quality of not being luminous. vs nonillumination →unilluminating 69% match — Not illuminating; unenlightening. vs nonillumination →illumining 67% match — illumination vs nonillumination →lightless 66% match — Lacking light; unilluminated; dark. vs nonillumination →preillumination 65% match — Illumination prior to some other process. vs nonillumination →