deterioration Meaning, Definition & Usage

  1. noun a symptom of reduced quality or strength
    impairment.
  2. noun process of changing to an inferior state
    declension; worsening; decline in quality.

WordNet

De*te`ri*o*ra"tion noun
Etymology
LL. deterioratio: cf. F. détérioration.
Definitions
  1. The process of growing worse, or the state of having grown worse.

Webster 1913