THESAURUS
dwindling
at rest, calm, catabasis, cloistered, collapse, coming apart, contractive, cool, cracking, crash, crumbling, decadent, deceleration, declension, decline, decline and fall, declining, decreasing, decrescendo, decrescent, degenerate, deliquescent, deteriorating, diminishing, diminuendo, disintegrating, dive, downtrend, downturn, draining, drooping, drop, dying, ebb, ebbing, effete, even-tenored, fading, failing, fall, falling, flagging, fragmenting, going to pieces, halcyon, hushed, impassive, isolated, languishing, lapse, lessening, marcescent, moldering, on the wane, pacific, peaceable, peaceful, pining, placid, plunge, quiescent, quiet, receding, reductive, regressive, remission, reposeful, reposing, restful, resting, retiring, retreat, retreating, retrograde, retrogressive, secluded, sequestered, sequestrated, sheltered, shrinking, shriveling, sinking, sliding, slipping, slowdown, slump, slumping, smooth, still, still as death, stillish, stilly, stoic, stolid, subsidence, subsiding, tabetic, tranquil, unagitated, undisturbed, unmoved, unperturbed, unruffled, unstirring, untroubled, wane, waning, wasting, wilting, withering, worsening