a prophet of doom

prophet of doom

A person who always warns others about possible negative consequences of decisions or actions. Don't tell Rodney about your new plan—he's such a prophet of doom that he'll completely kill your motivation.See also: doom, of, prophet

a ˌprophet of ˈdoom

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a ˈdoom merchant

a person who always expects that things will go very badly: Various prophets of doom have suggested that standards in education are worse than ever.See also: doom, of, prophet