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The meaning of DECAY is to undergo decomposition. How to use decay in a sentence. Synonym Discussion of Decay.
DECAY definition: 1. to become gradually damaged, worse, or less; to cause something to do this: 2. If a radioactive…. Learn more.
to decline or cause to decline gradually in health, prosperity, excellence, etc; deteriorate; waste away. 2. to rot or cause to rot as a result of bacterial, fungal, or chemical action; decompose. 3. Also: disintegrate (intransitive) physics. a. (of an atomic nucleus) to undergo radioactive disintegration. b.
To decay means to rot, decompose, break down. Our bodies—anything organic—will decay after death. Broken sidewalks, potholes, graffiti are all signs of urban decay. Tooth decay is something to avoid.
decay. noun. /dɪˈkeɪ/. /dɪˈkeɪ/. [uncountable] the process or result of being destroyed by natural causes or by not being cared for (= of decaying) tooth decay. The landlord had let the building fall into decay. The smell of death and decay hung over the town.
