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


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


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

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


The decaying tree stump was removed from our backyard.


"Hi. I'm Decay :)"
by Toxi May 1, 2005
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What a person has when they feel that not only don't they have to tell the truth, but that the truth doesn't even matter.
My ex is such a fibber. Every time she opens her mouth there is a strong odor of truth decay!
by talk2me-JCH2 December 21, 2020
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"Warning, Agent on your team is down."
"Warning, Agent on your team is down."
"Warning, Agent on your team is down."
"Warning, Agent on your team is down."

Game where u literally suffer from enemies and other shit
Jesse, we need to scavenge for loot Jesse.
B-But Mista White?!
Jesse, this Decaying Winter or whatever this game is, wants us dead, Jesse.
by xxMichaeliscool October 31, 2022
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The state of a city and it's culture when it's population is too great and the subsequent infrastructural/behavioral problems that are associated with excess become obvious. Social decay occurs and can be seen on both the physical level of everyday life in a city (abandoned buildings, vacant collapsing houses, streets in poor condition, etc) and on the emotional state of it's inhabitants (narcissism, social anxiety, paranoia, etc). Typically people are generalized into a vast and generic group called "strangers" and these strangers are often ignored completely (by other strangers) in order to keep the city running efficiently and problems associated with poor behavior suppressed. The only time strangers interact with each other is when one stranger offers another stranger a service or something that the other stranger needs or wants.
Examples of Social Decay:

Stranger A: Would you like a bag for your food?
Stranger B: Yes

Stranger A: Would you like to help out the homeless today?
Stranger B: No

Stranger A: Hey baby, can I buy you a drink?
Stranger B: Sure

Stranger A: Can I sit here?
Stranger B: I don't know man, it's too hard to tell!

Other Examples:

People that are afraid to leave their apartment because of fear of strangers.

People that feel they are eroding but only as an expression of what they see around them.

The overall and overwhelming sensation that everything is collapsing and must be destroyed to start anew.

A car on fire.

Police shooting protestors.

Gang violence.
by Tamed Animals January 8, 2012
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The condition which occurs at a cable network when idiotic executives decide to change its direction. This is usually done as a money-grabbing attempt when ratings are lower than expected.
"Remember when TLC used to have shows that taught you something? Yeah, it didn't suck then. Network Decay is bullshit."
by InGr8EDiot August 12, 2012
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The risk of rapid deterioration in the quality of the Urban Dictionary, due to the inclusion of moronic idioms and expressions.
Man... is becoming a nightmare to try to find witty words in the Urban Dictionary. Some editors are approving definitions that really suck. I am deeply concerned of Urban Decay ´cause I love UD.
by rperazag May 10, 2010
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