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Definition of spectral:

  1. Pert. to a spectre; ghostly.


be (all) skin and bone(s), kHz, medium wave, long wave, guardian angel, live, dryad, kilohertz, deathly, cadaverous, emaciated, ghost, supernatural, haunt, daemon, the ionosphere, gaunt, Hz, ghostlike, underweight, deadly, being, airwaves, devil, lanky, gangling, modulate, frightful, ghastly, ghastly, hertz, religious, ghostly, frequency, phantasmal, genie, doppelganger, thin, deathlike, skinny, spiritual, anorexic, apparitional, unearthly, scrawny.

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