wane (waning) + dwindle = dwaining
decreasing, disappearing, to decrease in strength, intensity, to decline in power, importance, prosperity, a gradual decrease or decline in strength, a period of waning, diminishing, diminution; failure, decay, diminish, fail, sink, to lessen, become smaller gradually, grow less, lacking, to become smaller and smaller; shrink; waste away, to fall away, as in quality;
degenerate,
fade, vanish, tapper off
---in: in size, intensity, number, importance, etc...
Synonyms: abate, bate, become smaller, close, contract, decay, decline, decrease, die away, die down, die out, diminish, drain,
drop, ebb,
fade, fall, grow less, lessen, peter out, pine, shrink, shrivel, sink, slack off, subside, taper, wane, weaken, wither, atrophy, dim, draw to a close, dwindle, ease off, fade away, fail, fall
short, let up, moderate, relent, slacken, taper off, waste away, wind down
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
