doomˈ-laden adjective

Forecasting or redolent of disaster

doomˈ-merchant noun (informal)

1. A pessimist
2. Someone continually expecting, and forecasting, disaster

doomˈsayer noun

doomˈsaying noun

doomsˈday noun

1. The day of doom, the last judgement
2. A day of reckoning

Doomsday book see Domesday book

doomsday clock noun

A notional clock indicating the imminence of catastrophe in terms of minutes left before midnight

doomsˈman noun (archaic)

1. Someone who pronounces doom or sentence, a judge
2. A pessimist (informal)

doomˈwatch noun

1. Pessimism about the contemporary situation and about the future, esp of the environment
2. Observation of the environment to prevent its destruction by pollution, over-population, etc
3. A generally pessimistic view of the future

To make pessimistic observations

doomˈwatcher noun

doomˈwatching noun

crack of doom

The last trump

till doomsday

Forever