She seems to be a pessimistic person.
The definition of pessimistic is constantly expecting the worst.
An example of pessimistic is a person who always believes that something is going to fail.
of or characterized by pessimism; expecting the worst
(comparative more pessimistic, superlative most pessimistic)
- At the time in history when our future has never looked brighter, it is baffling that some people are more pessimistic than ever.
- This pessimistic attitude is far removed from the positive hedonism of Aristippus.
- Schopenhauer emphasizes the pessimistic side of Hegel's thought.
- A pessimistic spirit is apparent, as in the writings of Wenceslaus Berent.
- In Europe on the whole the so-called pessimistic attitude was commoner in the Teutonic north than in the Mediterranean basin.