decays

Slowly falls apart

Decays is the verb decay in the third person singular.

To decay is to break down gradually through natural processes—organic matter rots, buildings crumble, radioactive elements lose particles over time.

The noun decay names this deterioration: tooth decay, urban decay, the decay of old institutions.

What decays loses integrity, structure, or vitality: The abandoned house decays a little more each year.

deterioration

deteriorate

Grow worse over time

disintegrate · wear · degenerate · dilapidate · corrode · rust · oxidation · tarnish · pitting · weathering

decomposition

rot

Organic breakdown process

humus · detritus · microorganisms · fungi · bacteria · organic · earthworms · decomposers · nutrients · breakdown

physics

radioactive

Emitting nuclear decay particles

beta · gamma · nuclear · particle · emission · transmutation · unstable · neutron · proton · fission

decline

diminish

To make smaller

  • weakenReduce in strength
  • waneDecrease gradually
  • fadeLose intensity gradually

dwindle · ebb · subside · recede · slump · drop · falter · languish · stagnate · regress

entropy

thermodynamics

Science of heat-energy relationships

equilibrium · dissipation · chaos · dispersion · degradation · disorganization

Categories
Opposites
PHYSICAL DETERIORATION vs. PRESERVATION

decayspreserves

Cooked fruit in sugar

conserves · maintains · endures · lasts · persists

DECLINE vs. GROWTH/DEVELOPMENT

decaysgrows

Increases in amount

flourishes · thrives · improves · develops · blossoms

ENTROPY vs. ORDER

decaysorganizes

Puts into systematic order

builds · forms · constructs · assembles · synthesizes

Phrases
Family

decay, decayed, decaying, undecayed

Familiarity
Top 50,000
Profile
Known to kids · Used worldwide · Timeless · Negative · Everyday, not technical · Rated G