Home › Words › I › illuminantilluminantilluminant means that illuminates.Among words judged in Lexicurio's Arena, illuminant ranks #1,641 of 42,749 for Qualifying.EtymologyFrom French.adjThat illuminates.nounSomething that illuminates.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.illuminer 82% match — Someone or something that illuminates; an illuminator vs illuminant →illuminating 82% match — Providing illumination or light. vs illuminant →illumining 73% match — illumination vs illuminant →illuminator 73% match — Agent noun of illuminate:; One who illuminates; an explainer. vs illuminant →illuminate 73% match — To shine light on something. vs illuminant →illumer 73% match — One who illumes. vs illuminant →lumination 72% match — Illumination; specifically, artificial illumination. vs illuminant →luminate 70% match — To illuminate. vs illuminant →