Top definition
1. To rot: To decompose and become soft, crumbly, or liquefied, or make something do this.

2. To decline in quality gradually and steadily, or make something do this.

3. To undergo spontaneous disintegration.

4. To decrease gradually in magnitude.

5. To decrease gradually in altitude.
1. The corpse is in an advanced decay.
2. Because they kept mixing their coke with sugar, the quality decayed.
3. The fosfor decayed.
4. Refers to a physical quantity or effect.
5. When in space, a satellite starts descending, orbit decays.
by Jafje April 10, 2007
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2
Noun

1 : a gradual decline in strength, soundness, or prosperity or in degree of excellence or perfection
2 : a wasting or wearing away : RUIN, ROT

Verb

1 : to decline from a sound or prosperous condition
3 : to fall into ruin

Other

1 : One of my nicknames; brought on from the phonetic spelling of my initials, DK.
Noun

The outer walls of the house had been overcome by decay.

Verb

The decaying tree stump was removed from our backyard.

Other

"Hi. I'm Decay :)"
by Toxi April 30, 2005
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3
When you can't stop beating your dick even when your dead.
" I'm probably going to be a decay when I die "
by Dude Decent January 12, 2017
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