waning/ˈweɪ.nɪŋ/EtymologyFrom Middle English waninge, alteration of earlier waniand, waniende, from Old English waniende, from Proto-Germanic *wanōndz, present participle of Proto-Germanic *wanōną (“to wane”), equivalent to wane + -ing.adjBecoming weaker or smaller.“my patience is waning”Of the lunar phase: as it shrinks when viewed from the Earth.“the waning moon”nounThe fact or act of becoming less or less intense or present; fading.“the waning of her energy”The fact or act of becoming smaller.“17th century, Joseph Hall, Epistle to Mr. R. B. This earthly moon, the Church, hath her fulls and wanings, and sometimes her eclipses.”