bloodbath

noun, plural blood·baths [bluhd-bath z, -bahth z, -baths, -bahths] /ˈblʌdˌbæðz, -ˌbɑðz, -ˌbæθs, -ˌbɑθs/.

1. a ruthless slaughter of a great number of people; massacre.
2. Informal. a period of disastrous loss or reversal: A few mutual funds performed well in the general bloodbath of the stock market.
3. a widespread dismissal or purge, as of employees.