The Collaborative International Dictionary of English v.0.48:

Turmoil \Tur*moil"\, v. i.
   To be disquieted or confused; to be in commotion. [Obs.]
   --Milton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Turmoil \Tur"moil\ (t[^u]r"moil) sometimes (t[^u]r*moil"), n.
   [Of uncertain origin; perhaps fr. OF. tremouille the hopper
   of a mill, trembler to tremble (cf. E. tremble); influenced
   by E. turn and moil.]
   Harassing labor; trouble; molestation by tumult; disturbance;
   worrying confusion.
   [1913 Webster]

         And there I'll rest, as after much turmoil,
         A blessed soul doth in Elysium.          --Shak.
   [1913 Webster]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Turmoil \Tur*moil"\ (t[^u]r*moil"), v. t. [imp. & p. p.
   Turmoiled (t[^u]r*moil"d); p. pr. & vb. n. Turmoiling.]
   To harass with commotion; to disquiet; to worry. [Obs.]
   [1913 Webster]

         It is her fatal misfortune . . . to be miserably tossed
         and turmoiled with these storms of affliction.
                                                  --Spenser.
   [1913 Webster]

WordNet (r) 3.0 (2006):

turmoil
    n 1: a violent disturbance; "the convulsions of the stock
         market" [syn: convulsion, turmoil, upheaval]
    2: violent agitation [syn: tumult, turmoil]
    3: disturbance usually in protest [syn: agitation,
       excitement, turmoil, upheaval, hullabaloo]

Moby Thesaurus II by Grady Ward, 1.0:

166 Moby Thesaurus words for "turmoil":
   ado, agitation, ailment, anarchism, anarcho-syndicalism, anarchy,
   antinomianism, anxiety, anxiousness, arsy-varsiness, bluster,
   bobbery, boil, boiling, bother, brawl, broil, brouhaha, bustle,
   cacophony, chaos, churn, clamor, clutter, commotion, confusion,
   conturbation, criminal syndicalism, discomposure, disorder,
   disorderliness, disorganization, disquiet, disquietude, disruption,
   distress, disturbance, dither, donnybrook, donnybrook fair, dustup,
   ebullience, ebullition, eddy, effervescence, embroilment,
   excitement, fanaticism, farrago, feery-fary, ferment, fermentation,
   fever, feverishness, fidgets, flap, flurry, fluster, flutteration,
   foment, fomentation, foofaraw, fracas, free-for-all, frenzy, fume,
   furor, furore, fury, fuss, hash, hassle, helter-skelter,
   higgledy-piggledy, hodgepodge, hubbub, hurly-burly, hurry,
   hurry-scurry, hysteron proteron, inquietude, jitteriness, jitters,
   jumble, jumpiness, lather, litter, lynch law, maelstrom, malaise,
   melee, mess, mishmash, misrule, mob law, mob rule, mobocracy, moil,
   nerviness, nervosity, nervousness, nihilism, ochlocracy,
   pandemonium, passion, pell-mell, perturbation, pother,
   primal chaos, racket, rage, rampage, rebellion, restiveness,
   restlessness, revolution, riot, roil, rough-and-tumble, roughhouse,
   rout, row, ruckus, ruction, ruffle, rumpus, scramble, seethe,
   seething, shindy, stew, stir, storminess, strife, swirl, swirling,
   syndicalism, tempestuousness, to-do, tohubohu, topsy-turviness,
   topsy-turvydom, trepidation, trepidity, trouble, tumble, tumult,
   tumultuation, tumultuousness, turbidity, turbulence, twitter,
   unease, uneasiness, unholy mess, unrest, unruliness, uproar, upset,
   vortex, welter, whirl, wildness, yeastiness, zeal, zealousness