1. (v. i.) To be a state violent agitation; to be hot; to boil over\.

2. (n.) To decoct or prepare for food in hot liquid; to boil; as, to seethe flesh.

abound assemble bake bathe be angry be excitable be in heat be livid be pissed be turbulent bellow blaze bloom blow a gasket blow up blubber blunder bluster boil boil over brew bristle broil browned off bubble bubble over bubble up bunch bunch up burble burn careen career carry on catch fire catch the infection chafe choke churn clot cluster collect combust come apart come together congregate converge cook copulate couple crowd date distill douche drench drouk effervesce erupt excite easily explode falter ferment fire up fizz fizzle flame flame up flare flare up flash up flicker flip flock together flounce flounder flow together flush foam forgather fret fry fume fuse gang around gang up gasp gather gather around get excited glow go into hysterics go on guggle gurgle have a conniption have a tantrum herd together hiss hit the ceiling hive horde huddle imbrue imbue impregnate incandesce infiltrate infuse inject labor lave leach league link lixiviate lurch macerate mass meet merge mill mill around moil muster overflow pant parboil parch percolate permeate pissed off pitch pitch and plunge plop plunge radiate heat rage raise Cain raise hell raise the devil raise the roof rally rally around ramp rant rant and rave rave reel rendezvous rinse roast rock roil roll run a temperature saturate scald scorch shimmer with heat simmer sizzle smoke smolder smother smoulder soak sodden sop souse spark sparkle stagger steam steep stew stifle stir storm stream struggle stumble suffocate surge swarm sway sweat swelter swing take fire take on teem thrash about throng throw a fit toast toss toss and tumble toss and turn totter tumble turn a hair unite wallop wallow wash waterlog welter work