dwaining means: Wane waning + dwindle = dwaining To decrease, disappear, or to lose strength, power, influence, prosperity. —in: in size, intensity, number, importance, etc… Synonyms for: Abate, Bate, get smaller, lose, reduce, die, die out Antonyms: grow, increase, raise, rise, wax, develop, enlarge, expand, extend, save, swell, amplify, dilate, increase, lengthen, spread, stretch, build, develop, flourish, germinate, grow, improve, ripen, strengthen, better, improve. (in Community Dictionary, added by Henry Stephens)