Refers to a scandal involving corruption, bribery, or graft, especially in political or business contexts. Often used in news reporting.
The politician was arrested in a bribery scandal.
The newspaper reported a large-scale graft case.
A bribery scandal at a major company came to light.
The corruption case developed into a full-blown bribery scandal.
The prosecutors exposed the bribery scandal.
不祥事 is a general word for any scandal or embarrassing incident, while 疑獄 specifically implies a scandal involving bribery or graft.
疑惑 means suspicion or doubt about wrongdoing that may not be confirmed, while 疑獄 refers to an actual, publicly exposed bribery scandal.
疑獄 is counted with 件, the counter used for cases or matters, as in 疑獄が一件発覚した.
bribery scandal; corruption case
Compound of 疑 (doubt, suspicion) and 獄 (prison, legal case), literally 'suspected case' or 'doubtful legal matter'. The term came to refer specifically to bribery and graft scandals.