Blaring

from WordNet (r) 3.0 (2006)

blaring
    adj 1: unpleasantly loud and penetrating; "the blaring noise of
           trumpets"; "shut our ears against the blasting music from
           his car radio" [syn: {blaring}, {blasting}]
    n 1: a loud harsh or strident noise [syn: {blare}, {blaring},
         {cacophony}, {clamor}, {din}]

from The Collaborative International Dictionary of English v.0.48

Blare \Blare\, v. i. [imp. & p. p. {Blared}; p. pr. & vb. n.
   {Blaring}.] [OE. blaren, bloren, to cry, woop; cf. G.
   pl[aum]rren to bleat, D. blaren to bleat, cry, weep. Prob. an
   imitative word, but cf. also E. blast. Cf. {Blore}.]
   To sound loudly and somewhat harshly. "The trumpet blared."
   --Tennyson.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

blaring \blar"ing\ adj.
   harshly or unpleasantly loud (in sound intensity); -- used
   mostly of electronic entertainment devices, such as TV,
   radio, or phonograph.
   [WordNet 1.5 +PJC]

from Moby Thesaurus II by Grady Ward, 1.0

43 Moby Thesaurus words for "blaring":
      atmospherics, blasting, blatant, blatting, blind spot, blustering,
      boisterous, brassy, brawling, brazen, clamant, clamorous,
      clamoursome, clanging, clangorous, clattery, crawling, creeping,
      drift, earsplitting, fade-out, fading, interference, mafficking,
      noise, noiseful, noisy, obstreperous, piercing, rackety, reception,
      rip-roaring, roaring, rowdy, static, stentorian, stentorious,
      strepitant, strepitous, tumultuous, turbulent, uproarious,
      vociferous

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