spectral

(adjective)

adjective

1. of or relating to a spectrum

- spectral colors

- spectral analysis

2. resembling or characteristic of a phantom

- spectral emanations

Similar word(s): supernatural, apparitional, ghostlike, ghostly, phantasmal, spiritual

Sentences with spectral as an adjective:

- The spectral chain-rattling and moans gave me the chills.

- A spectral spirit returns from its grave to haunt the house.