Decay

v. i.	1.	To pass gradually from a sound, prosperous, or perfect state, to one of imperfection, adversity, or dissolution; to waste away; to decline; to fail; to become weak, corrupt, or disintegrated; to rot; to perish; as, a tree decays; fortunes decay; hopes decay. [imp. & p. p. Decayed ; p. pr. & vb. n. Decaying.] Ill fares the land, to hastening ills a prey, Where wealth accumulates and men decay. - Goldsmith.
v. t.	1.	To cause to decay; to impair. Infirmity, that decays the wise. - Shak.
	2.	To destroy.
n.	1.	Gradual failure of health, strength, soundness, prosperity, or of any species of excellence or perfection; tendency toward dissolution or extinction; corruption; rottenness; decline; deterioration; as, the decay of the body; the decay of virtue; the decay of the Roman empire; a castle in decay. Perhaps my God, though he be far before, May turn, and take me by the hand, and more - May strengthen my decays. - Herbert. His [Johnson's] failure was not to be ascribed to intellectual decay. - Macaulay. Which has caused the decay of the consonants to follow somewhat different laws. - James Byrne.
	2.	Destruction; death.
	3.	Cause of decay. He that plots to be the only figure among ciphers, is the decay of the whole age. - Bacon.

Noun	1.	decay - the process of gradually becoming inferior
	2.	decay - a gradual decrease; as of stored charge or current Synonyms: decline
	3.	decay - the organic phenomenon of rotting Synonyms: decomposition
	4.	decay - an inferior state resulting from the process of decaying; "the corpse was in an advanced state of decay"; "the house had fallen into a serious state of decay and disrepair"
	5.	decay - the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation Synonyms: radioactive decay, disintegration
Verb	1.	decay - lose a stored charge, magnetic flux, or current; "the particles disintegrated during the nuclear fission process" Synonyms: decompose, disintegrate
	2.	decay - fall into decay or ruin; "The unoccupied house started to decay" Synonyms: delapidate, crumble
	3.	decay - undergo decay or decomposition; "The body started to decay and needed to be cremated"

decay - [Nuclear physics] An automatic conversion which is applied to most array-valued expressions in C; they "decay into" pointer-valued expressions pointing to the array's first element. This term is not used in the official standard for the language.

To see something decay in your dream, signifies the degradation of a situation or circumstance. It may also represent the death of an old situation before the rebirth into a new stage.ablate, ablation, atomization, atomize, atrophy, biodegradability, biodegradation, break down, break up, breakup, canker, caries, carrion, catalysis, catalyst, come apart, consume, contaminate, corrode, corrosion, corrupt, corruption, crack up, crumble, crumble into dust, crumbling, curdle, dandruff, debilitate, decadence, decompose, decomposition, defile, degenerate, degeneration, degradability, degradation, deterioration, dialysis, dilapidate, dilapidation, diminish, disintegration, disjoin, disjunction, disorganization, disorganize, dissociation, dissolution, dissolve, downfall, dry rot, enfeeble, erode, erosion, excrement, fading, failing, fall into decay, fall to pieces, ferment, fester, filth, fission, foul matter, foulness, furfur, gangrene, go bad, go off, go to pieces, go to pot, go to seed, hydrolysis, hydrolyst, incoherence, mess, mildew, mold, mortification, mortify, mould, moulder, muck, mucus, necrose, necrosis, obscenity, ordure, oxidation, oxidization, photolysis, pollute, pus, putrefaction, putresce, putrescence, putrid matter, putridity, putridness, rancidity, rancidness, rankle, rankness, ravages of time, resolution, rottenness, rotting, ruin, rust, sap, scurf, scuz, slime, slough, smut, snot, sordes, sour, sphacelate, sphacelation, sphacelus, split, splitting, spoilage, suppurate, taint, thermolysis, tooth decay, turn, undermine, waste away, wasting, weaken, weakening, wear, wear and tear, wear away, work, wreck