Definitions of decay

  1. To decline, waste, or wither away.
  2. To affect or be affected by decay; impair; deteriorate; decline.
  3. To rot; decline or fail.
  4. To fall away from a state of health or excellence: to waste away.
  5. To waste away; become decomposed.
  6. fall into decay or ruin; " The unoccupied house started to decay"
  7. To become less perfect; to fail; to decline; to waste away.
  8. Decaying.
  9. the organic phenomenon of rotting
  10. the process of gradually becoming inferior
  11. the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
  12. 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"
  13. undergo decay or decomposition; " The body started to decay and needed to be cremated"
  14. 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.
  15. 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.
  16. Cause of decay.
  17. Decline; gradual failure in mind or body; ruin; rottenness; corruption.
  18. A falling into a worse or less perfect state: a passing away.
  19. Decline; waste; decomposition.
  20. A gradual decline; decomposition; corruption; rottenness.
  21. Gradual failure or decline towards dissolution or extinction.
  22. A gradual failure; decline of fortune; corruption.