DEBACLE

A. Collapse

B. Decline

C. Defeat

D. Disgrace

Answer: Option A

Solution(By Examveda Team)

Collapse : fail suddenly and completely.
Decline : (typically of something regarded as good) become smaller, fewer, or less.
Defeat : win a victory over (someone) in a battle or other contest
Disgrace : loss of reputation or respect as the result of a dishonourable action.
Debacle : a sudden and ignominious failure.


Synonym of Debacle is Collapse