Synonyms and related words :
aging, at rest, calm, cloistered, coming apart, contractive, cool, cracking, crumbling, decadent, declining, decreasing, decrescendo, decrescent, degenerate, deliquescent, deteriorating, diminishing, diminuendo, disintegrating, doting, draining, drooping, dwindling, dying, ebbing, effete, even-tenored, fading, failing, falling, flagging, fragmenting, getting on, going to pieces, growing old, halcyon, hushed, impassive, isolated, languishing, lessening, marcescent, moldering, on the wane, pacific, peaceable, peaceful, pining, placid, quiescent, quiet, receding, reductive, regressive, reposeful, reposing, restful, resting, retiring, retreating, retrograde, retrogressive, secluded, senescent, sequestered, sequestrated, sheltered, shrinking, shriveling, sinking, sliding, slipping, slumping, smooth, still, still as death, stillish, stilly, stoic, stolid, subsiding, tabetic, tranquil, unagitated, undisturbed, unmoved, unperturbed, unruffled, unstirring, untroubled, wasting, wilting, withering, worsening