1 moral deterioration, esp. widespread.
2 use of corrupt practices, esp. bribery or fraud.
3 a irregular alteration (of a text, language, etc.) from its original state. b an irregularly altered form of a word.
4 decomposition, esp. of a corpse or other organic matter.
Etymology: ME f. OF corruption or L corruptio (as CORRUPT)
Useful english dictionary. 2012.