decay

word

/dɪˈkeɪ/
/dɪkˈeɪ/

Definition

Decay means the slow destruction or breakdown of something, like the rotting of food, or the gradual worsening of something such as a building, society, or health.

Usage & Nuances

Usually used for physical processes (food, teeth, plants rotting) or for gradual negative change (moral, social, structural). Can be both noun and verb. Common collocations: 'tooth decay', 'moral decay', 'signs of decay'. Not used for things that break suddenly.

Example Sentences

If you leave fruit out, it will start to decay.

basic

Tooth decay is caused by eating too much sugar.

basic

The old house fell into decay over the years.

basic

After the storm, you could smell the decay of fallen trees everywhere.

natural

Some people worry about the decay of traditional values in modern society.

natural

Without regular cleaning, food will quickly decay in the fridge.

natural