[1] : The Collaborative International Dictionary of English v.0.48

roar \roar\, v. i. imp.  p. p. roared; p. pr.  vvb. n.
   roaring. oe. roren, raren, as. r=arian; akin to g.
   r"ohten, ohg. r=er=en. root112.
   1. to cry with a full, loud, continued sound. specifically:
      a to bellow, or utter a deep, loud cry, as a lion or
          other beast.
          1913 webster

                roaring bulls he would him make to tame.
                                                  --spenser.
          1913 webster
      b to cry loudly, as in pain, distress, or anger.
          1913 webster

                sole on the barren sands, the suffering chief
                roared out for anguish, and indulged his grief.
                                                  --dryden.
          1913 webster

                he scorned to roar under the impressions of a
                finite anger.                     --south.
          1913 webster

   2. to make a loud, confused sound, as winds, waves, passing
      vehicles, a crowd of persons when shouting together, or
      the like.
      1913 webster

            the brazen throat of war had ceased to roar.
                                                  --milton.
      1913 webster

            how oft i crossed where carts and coaches roar.
                                                  --gay.
      1913 webster

   3. to be boisterous; to be disorderly.
      1913 webster

            it was a mad, roaring time, full of extravagance.
                                                  --bp. burnet.
      1913 webster

   4. to laugh out loudly and continuously; as, the hearers
      roared at his jokes.
      1913 webster

   5. to make a loud noise in breathing, as horses having a
      certain disease. see roaring, 2.
      1913 webster

   roaring boy, a roaring, noisy fellow; -- name given, at the
      latter end queen elizabeth's reign, to the riotous fellows
      who raised disturbances in the street. "two roaring boys
      of rome, that made all split." --beau.  fl.

   roaring forties naut., a sailor's name for the stormy
      tract of ocean between 40deg and 50deg north latitude.
      1913 webster
see also:
roared roaring roaring boy roaring forties 

[2] : The Collaborative International Dictionary of English v.0.48

roaring \roar"ing\, n.
   1. a loud, deep, prolonged sound, as of a large beast, or of
      a person in distress, anger, mirth, etc., or of a noisy
      congregation.
      1913 webster

   2. far. an affection of the windpipe of a horse, causing a
      loud, peculiar noise in breathing under exertion; the
      making of the noise so caused. see roar, v. i., 5.
      1913 webster
see also:
roar 

[3] : WordNet (r) 2.0

roaring
     adj 1: very lively and profitable; "flourishing businesses"; "a
            palmy time for stockbrokers"; "a prosperous new
            business"; "doing a roaring trade"; "a thriving
            tourist center"; "did a thriving business in orchids"
            syn: booming, flourishing, palmy, prospering,
             prosperous, thriving
     2: loud enough to cause temporary hearing loss syn: deafening,
         earsplitting, thunderous, thundery
     n 1: a deep prolonged loud noise syn: boom, roar, thunder
     2: a very loud utterance like the sound of an animal; "his
        bellow filled the hallway" syn: bellow, bellowing, holla,
         holler, hollering, hollo, holloa, roar, yowl
     adv : extremely; "roaring drunk"
see also:
booming flourishing palmy prospering prosperous thriving 
deafening earsplitting thunderous thundery boom 
roar thunder bellow bellowing holla 
holler hollering hollo holloa yowl 

[4] : Moby Thesaurus II by Grady Ward, 1.0

66 moby thesaurus words for "roaring":
   abandoned, amok, bellowing, berserk, blaring, booming, cannonading,
   carried away, delirious, demoniac, distracted, earsplitting,
   ecstatic, enraptured, feral, ferocious, fierce, frantic, frenzied,
   fulminating, furious, haggard, hog-wild, howling, hysterical,
   in a transport, in hysterics, intoxicated, mad, madding, maniac,
   orgasmic, orgiastic, pealing, piercing, possessed, prospering,
   prosperous, rabid, raging, ramping, ranting, raving, ravished,
   robust, rolling, rumbling, running mad, stentorian, stentorious,
   storming, thrifty, thriving, thundering, thunderlike, thunderous,
   thundery, tonitruant, tonitruous, transported, uncontrollable,
   violent, volleying, wild, wild-eyed, wild-looking

Roaring >> R Words
Roaring, definition of term: Roaring
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