What do you call a person who scares easily?

What do you call a person who scares easily? Cowardly (adj.) While fearful might be used more to describe someone in a certain situation, cowardly would be more of a character trait–someone who is always easily scared.

Cowardly (adj.)

While fearful might be used more to describe someone in a certain situation, cowardly would be more of a character trait–someone who is always easily scared.