1. (p. pr. & vb. n.) of Wane.

2. (n.) The act or process of waning, or decreasing.

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