doomster

noun
UK /ˈduːmstə/
US /ˈduːmstər/

A doomster is a person who always says bad things are going to happen.

My uncle is such a doomster that he thinks every rainy day will turn into a big storm.


OTHER MEANINGS

2. A person who predicts disaster or ruin, often in a dramatic way.

The doomster on the news said the whole town would be underwater by morning.

3. A writer or speaker who focuses on gloomy or catastrophic subjects.

The old poet was known as a doomster because all his poems were about the end of the world.

4. Someone who spreads fear by constantly talking about terrible future events.

Don't be a doomster at the party—nobody wants to hear about the world ending.