The Collaborative International Dictionary of English v.0.48:

Funebrial \Fu*ne"bri*al\ (f[-u]*n[=e]"br[i^]*al), a. [L.
   funebris belonging to a funeral, fr. funus funeral.]
   Pertaining to a funeral or funerals; funeral; funereal.
   [Obs.] [Written also funebral.] --Sir T. Browne.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

35 Moby Thesaurus words for "funebrial":
   black, bleak, cinerary, dark, dirgelike, dismal, drear, drearisome,
   dreary, epitaphic, exequial, feral, funebrious, funebrous, funeral,
   funerary, funereal, gloomy, grave, gray, grim, mortuary, mournful,
   necrological, obituary, obsequial, saturnine, sepulchral, solemn,
   somber, sombrous, triste, weariful, wearisome, weary