Every monument decayeth in time under the weight of neglect.

The decayers in the compost heap broke down the kitchen scraps faster than we expected.

Left in the damp cellar, the apples were quickly ruined by the decayer that fed on their skins and cores.

The mansion's decayedness was evident in the sagging rafters and moss-covered walls.

Scientists were fascinated by the decaylessness of the newly discovered material, which seemed to defy all known laws of deterioration.

Scientists measured the decayability of the material to predict how it would behave in landfill conditions.