The Collaborative International Dictionary of English v.0.48:

Boil \Boil\ (boil), v. i. [imp. & p. p. Boiled (boild); p. pr.
   & vb. n. Boiling.] [OE. boilen, OF. boilir, builir, F.
   bouillir, fr. L. bullire to be in a bubbling motion, from
   bulla bubble; akin to Gr. ?, Lith. bumbuls. Cf. Bull an
   edict, Budge, v., and Ebullition.]
   1. To be agitated, or tumultuously moved, as a liquid by the
      generation and rising of bubbles of steam (or vapor), or
      of currents produced by heating it to the boiling point;
      to be in a state of ebullition; as, the water boils.
      [1913 Webster]

   2. To be agitated like boiling water, by any other cause than
      heat; to bubble; to effervesce; as, the boiling waves.
      [1913 Webster]

            He maketh the deep to boil like a pot. --Job xii.
                                                  31.
      [1913 Webster]

   3. To pass from a liquid to an a["e]riform state or vapor
      when heated; as, the water boils away.
      [1913 Webster]

   4. To be moved or excited with passion; to be hot or fervid;
      as, his blood boils with anger.
      [1913 Webster]

            Then boiled my breast with flame and burning wrath.
                                                  --Surrey.
      [1913 Webster]

   5. To be in boiling water, as in cooking; as, the potatoes
      are boiling.
      [1913 Webster]

   To boil away, to vaporize; to evaporate or be evaporated by
      the action of heat.

   To boil over, to run over the top of a vessel, as liquid
      when thrown into violent agitation by heat or other cause
      of effervescence; to be excited with ardor or passion so
      as to lose self-control.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Boiling \Boil"ing\, a.
   Heated to the point of bubbling; heaving with bubbles; in
   tumultuous agitation, as boiling liquid; surging; seething;
   swelling with heat, ardor, or passion.
   [1913 Webster]

   Boiling point, the temperature at which a fluid is
      converted into vapor, with the phenomena of ebullition.
      This is different for different liquids, and for the same
      liquid under different pressures. For water, at the level
      of the sea, barometer 30 in., it is 212 [deg] Fahrenheit;
      for alcohol, 172.96[deg]; for ether, 94.8[deg]; for
      mercury, about 675[deg]. The boiling point of water is
      lowered one degree Fahrenheit for about 550 feet of ascent
      above the level of the sea.

   Boiling spring, a spring which gives out very hot water, or
      water and steam, often ejecting it with much force; a
      geyser.

   To be at the boiling point, to be very angry.

   To keep the pot boiling, to keep going on actively, as in
      certain games. [Colloq.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Boiling \Boil"ing\, n.
   1. The act of ebullition or of tumultuous agitation.
      [1913 Webster]

   2. Exposure to the action of a hot liquid.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

bubbling \bubbling\ adj.
   1. giving off bubbles; -- of a liquid. [Narrower terms:
      foaming, frothing; effervescent; boiling]
      [WordNet 1.5]

   2. stimulatingly lively, witty, and entertaining; -- of
      people.

   Syn: effervescent, scintillating, sparkling, sparkly,
        vivacious.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

boiling
    adv 1: extremely; "boiling mad"
    n 1: the application of heat to change something from a liquid
         to a gas
    2: cooking in a liquid that has been brought to a boil [syn:
       boiling, stewing, simmering]

Moby Thesaurus II by Grady Ward, 1.0:

154 Moby Thesaurus words for "boiling":
   agitation, ardent, baking, barbecuing, basting, blistering,
   bluster, bobbery, boil, boiling over, braising, brewing, broil,
   broiling, brouhaha, bubbliness, bubbling, burning, burning hot,
   burning with excitement, bustle, canicular, carbonation, catering,
   churn, coction, commotion, conturbation, cookery, cooking, cuisine,
   culinary science, decoction, discomposure, disorder, disquiet,
   disquietude, disturbance, domestic science, ebullience, ebulliency,
   ebullient, ebulliometer, ebullition, effervescence, effervescency,
   embroilment, excitement, febrile, ferment, fermentation, fervent,
   fervid, fever, feverish, feverishness, fidgets, fiery, fizz,
   fizzle, flaming, flap, flurry, flushed, fluster, flutteration,
   foaming, foment, frothiness, frothing, frying, fume, fuss, glowing,
   grilling, heated, hectic, het up, home economics, hot, hot as fire,
   hot as hell, hubbub, hurly-burly, in rut, inquietude, jitters,
   jumpiness, like a furnace, like an oven, maelstrom, malaise, moil,
   nerviness, nervosity, nervousness, nutrition, overheated, overwarm,
   pan-broiling, parching, passionate, perturbation, piping hot,
   poaching, red-hot, restlessness, roasting, roil, rout, row,
   sauteing, scalding, scorching, searing, seethe, seething,
   sexually excited, shirring, simmer, simmering, sizzling,
   sizzling hot, smoking hot, smoldering, sparkle, spumescence,
   steaming, steamy, steeping, stewing, stir, sudorific, sweating,
   sweaty, sweltering, sweltry, swirl, to-do, toasting, torrid,
   trepidation, trepidity, tumult, tumultuation, turbidity,
   turbulence, turmoil, twitter, unease, unrest, upset, warm,
   white-hot