decay
US /dɪˈkeɪ/
UK /dɪˈkeɪ/
1.
the state or process of rotting or decomposition
:
•
The old wooden fence was showing signs of decay.
•
Dental decay can lead to cavities.
2.
a decline in quality, strength, or vigor
:
•
The city has seen a slow decay over the past few decades.
•
Moral decay is a serious concern in society.
1.
to rot or decompose through the action of bacteria and fungi
:
•
The fallen leaves began to decay on the forest floor.
•
Without proper preservation, food will quickly decay.
2.
to decline in quality, strength, or vigor; to fall into disrepair
:
•
His health began to decay after the long illness.
•
The old mansion was left to decay over the years.