Synonyms for Confusion:

n.

chagrin, pain, squalor, bomb site. tumble, disorderedness, topsy-turviness, muss. agitation (noun)
discomposure, excitement.
alarm (noun)
consternation, dismay.
amazement (noun)
stupefaction.
complexity (noun)
complication, entanglement.
confusion (noun)
discombobulation, mental confusion, mix up, disarray.
disorder (noun)
disorderliness, entropy, disintegration, deformity, irregularity, incoherence, inchoateness, muddlement, inconsistency, obscurity, perturbation, disconnectedness, disarrangement, unevenness, insanity, chaos, disarray, derangement, amorphousness, indistinctness, looseness, frenzy, anarchism, laxity, dishevel, disorganization, commotion, lawlessness, mess, messiness, formlessness, turmoil, tumult, turbulence, clutter, shapelessness, disorder, fuzziness, indefiniteness, discomposure, inexactness, anarchy.
disorientation (noun)
demoralization, tumult, dither, commotion, upsetting, stew, embarrassment, distraction, perplexing, embarrassing, chagrin, perturbation, discomfiture, disturbing, agitation, puzzlement, turbulence, turmoil, abashment, unsettling, befuddlement.
disoriented state (noun)
clutter, fog, bustle, mystification, haze, dislocation, complication, difficulty, stupefaction, intricacy, discomposure, ferment, pandemonium, wilderness, daze, untidiness, complexity, muddle, trouble, row, consternation, tangle, mess, chaos, uproar, fracas, riot, stir, disorganization, mistake, anarchy, labyrinth, ado, racket, disarray, jumble.
illegibility (noun)
Illegibility, unclarity, mystery.
indiscrimination (noun)
indistinguishability, Indiscrimination, doubt.
misinterpretation (noun)
misreading, mistake, deformation, misquotation, distortion, twisting, misinterpretation, travesty, misunderstanding, misrepresentation.
uncertainty (noun)
incertitude, disputability, puzzle, controversy, unsureness, vagueness, ambivalence, deniability, changeability, Questionability, moot point, uncertainty, tentativeness.

v.

confused (verb)
bewildered, embarrassed, ashamed.

Other synonyms:

chagrin, fog, racket, bomb site. disturbance. scramble. bewilderment
mystification.
clamor
din.
clutter
jumble.
complication
intricacy.
confusion
pandemonium, snarl, muddle.
delirium
hysteria.
din
hubbub.
disheartenment
demoralization.
displacement
dislocation.
embarrassment
discomfiture.
hassle
snafu.
mess
muss.
mistake
screw up.
restlessness
hurly burly.
snarl
tangle.
stir
agitation.
stupor
daze.
tangle
maze.
tumult
uproar.
uproar
bedlam, rumpus.

Usage examples for confusion

  1. True; but if only a dozen break through there will be confusion – Princess Maritza by Percy Brebner
  2. At this Edith's confusion passed away, and changed to wonder. – The Living Link by James De Mille