decay

//dɪˈkeɪ//
B2Frequency Level 10Neutral
Visual representation of decay

Noun

decaySingular
1

The process of rotting or decomposition of organic matter.

The decay of fallen leaves enriches the soil.

2

A gradual decline in quality, strength, or condition.

The decay of the old building was evident in its crumbling walls.

3

The disintegration of radioactive substances over time.

Scientists measured the decay of uranium in the rock samples.

Verb

decayInfinitive
decayPresent tense
decayedPast tense
decayedPast participle
decayingPresent participle
decaysThird-person singular
1

To rot or decompose through the action of bacteria and fungi.

The fallen leaves decay and become part of the soil.

2

To decline gradually in quality, power, or vitality.

The old empire slowly decayed over the centuries.

3

To undergo radioactive disintegration.

Uranium atoms decay over millions of years.

Antonym