Synonyms for Disorder:

n.

contagion, epidemic, shambles. bedlam, bustle, discord, entanglement, hubbub, insurrection, mayhem, misrule, order, pandemonium, peace, rebellion, revolution, riot, strike, turbulence, upheaval, uproar, Mobocracy. bomb site, snafu, squalor, tangle, confusedness, disorderedness, topsy-turviness. calm, flap, helter-skelter, stir, to-do. health, ill. affliction. agitation (noun)
agitation, commotion, convulsion, disarrangement, disquiet, disturbance, jerkiness, palpitation, perturbation, turmoil.
chaos, clutter (noun)
anarchy, confusion, derangement, disarrangement, disarray, disorderliness, disorganization, irregularity, jumble, mess, muddle, shambles.
disease (noun)
affection, ague, ailment, apoplexy, attack, breakdown, bug, collapse, complaint, complication, condition, curse, debility, decrepitude, disability, disease, fever, feverishness, handicap, illness, indisposition, infection, infirmity, infliction, malady, malaise, nausea, pestilence, queasiness, sickness, spasm, symptom, syndrome, unhealthiness, virus, Sickliness.
dislike (noun)
indisposition.
disorder (noun)
anarchism, anarchy, cark, chaos, confusion, deformity, derangement, disarray, discomposure, disconnectedness, disintegration, disorderliness, disorganization, disquiet, distract, entropy, frenzy, fuzziness, incoherence, inconsistency, indefiniteness, indistinctness, inexactness, insanity, irregularity, lawlessness, laxity, looseness, messiness, obscurity, perturb, shapelessness, trouble, tumult, unevenness, unhinge, upset, amorphousness, formlessness, inchoateness, muddlement.
illness (noun)
affliction, ailment, complaint, disease, indisposition, infirmity, malady, sickness, upset.
shambles (noun)
shambles.
social commotion; mental confusion (noun)
agitation, anarchism, bustle, chaos, complication, convulsion, discord, disturbance, entanglement, flap, hubbub, insurrection, lawlessness, mayhem, misrule, rebellion, revolution, riot, strike, trouble, tumult, turbulence, turmoil, uproar.
state (noun)
upset.
ugliness (noun)
squalor.

v.

derange (verb)
agitate, blur, botch, capsize, churn, clutter, confound, confuse, convulse, derange, disarrange, discompose, dishevel, dislocate, disorganize, displace, disturb, ferment, hash, jumble, meddle, mess, mislay, misplace, muddle, muss, perturb, ripple, roil, roughen, ruffle, rummage, rumple, scatter, scramble, swirl, tamper, toss, tousle, trouble, tumble, upset, whip, whisk, mix up.
disorder (verb)
clutter, confuse, disarrange, disorganize, scatter.
mix up, disarrange (verb)
clutter, confound, confuse, derange, discompose, dishevel, dislocate, disorganize, disturb, rummage, rumple, scatter, tumble.
scatter (verb)
detach, diffract, diffuse, disburse, disconnect, disintegrate, disperse, dissolve, distribute, diverge, dole, evanesce, evaporate, radiate, refract, separate.

Other synonyms:

bedlam, contagion, hubbub, misrule, pandemonium, confusedness, disorderedness, topsy-turviness. bomb site, bustle, revolution. epidemic, snafu, turbulence, uproar. tangle. flap. anarchy
Mobocracy.
commotion
to-do.
confuse
mix up.
mess
shambles.
suffering
affliction.
Other relevant words:
affliction, bedlam, bustle, cark, contagion, discord, distract, entanglement, epidemic, flap, health, helter-skelter, hubbub, ill, insurrection, mayhem, misrule, order, pandemonium, peace, rebellion, revolution, riot, shambles, snafu, squalor, stir, strike, tangle, to-do, turbulence, unhinge, upheaval, uproar, Mobocracy, confusedness, disorderedness, topsy-turviness.

Usage examples for disorder

  1. Her father would not take her to a physician, for he dreaded lest he should be advised to send her away from home, and he also feared the effect which any recognition of her disorder might have upon her. –  by
  2. It was no wonder, then, in his state of bodily disorder that the sympathetic mind should take the alarm. – Ester Ried by Pansy (aka. Isabella M. Alden)
  3. We conjure you, sire, to put an end to this disorder which your ministers will soon be unable to restrain. – Eastern Tales by Many Story Tellers by Various