This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of or resembling a specter; ghostly.

adj. Of, relating to, or produced by a spectrum.

adj. Having the appearance of a spectre; ghostly.

adj. Of, or pertaining to, spectres.

adj. Of, or pertaining to, spectra.

adj. Of or pertaining to a specter; ghosty.

adj. Of or pertaining to the spectrum; made by the spectrum

Of or pertaining to a specter; resembling or having the aspect of a specter; ghostlike: ghostly.

Pertaining to ocular spectra, or pertaining to the solar, prismatic, or diffraction spectrum; exhibiting the hues of the prismatic spectrum; produced by the aid of the spectrum: as, spectral colors; spectral analysis.

In zoology, like or likened to a specter or apparition; suggestive of a ghost in any way: as, the spectral bat; spectral shrimps; spectral insects.

adj. resembling or characteristic of a phantom

adj. of or relating to a spectrum

"These are of the Phenomena, or visual Appearances, of this wide-working terrestrial world: which truly is all phenomenal, what they call spectral; and never rests at any moment; one never at any moment can know why."

supernatural   

spectral lemur    spectral owl   

ghosty    ghostly    pale    immaterial    unreal   

ghostly    ghastly    shadowy    visual    ethereal