Synonyms of deteriorate

Verb

1. deteriorate, decay, crumble, dilapidate

usage: become worse or disintegrate; "His mind deteriorated"

2. devolve, deteriorate, drop, degenerate, worsen, decline

usage: grow worse; "Her condition deteriorated"; "Conditions in the slums degenerated"; "The discussion devolved into a shouting match"

Definition and meaning of deteriorate (Dictionary)