Synonyms: declension, decline in quality, deterioration, worsening
Definition: process of changing to an inferior state
Similar words: decline, diminution
Definition: change toward something smaller or lower
Synonyms: deterioration, impairment
Definition: a symptom of reduced quality or strength
Similar words: decay
Definition: an inferior state resulting from the process of decaying
Usage: the corpse was in an advanced state of decay; the house had fallen into a serious state of decay and disrepair