What do you call someone who always thinks the worst?

What do you call someone who always thinks the worst? pessimistic Add to list Share. Pessimistic describes the state of mind of someone who always expects the worst. A pessimistic attitude isn’t very hopeful, shows little optimism, and can be a downer for everyone else.

pessimistic Add to list Share. Pessimistic describes the state of mind of someone who always expects the worst. A pessimistic attitude isn’t very hopeful, shows little optimism, and can be a downer for everyone else.