The Collaborative International Dictionary of English v.0.48:

Divergent \Di*ver"gent\, a. [Cf. F. divergent. See Diverge.]
   1. Receding farther and farther from each other, as lines
      radiating from one point; deviating gradually from a given
      direction; -- opposed to convergent.
      [1913 Webster]

   2. (Optics) Causing divergence of rays; as, a divergent lens.
      [1913 Webster]

   3. Fig.: Disagreeing from something given; differing; as, a
      divergent statement.
      [1913 Webster]

   Divergent series. (Math.) See Diverging series, under
      Diverging.
      [1913 Webster]

WordNet (r) 3.0 (2006):

divergent
    adj 1: diverging from another or from a standard; "a divergent
           opinion"
    2: tending to move apart in different directions [syn:
       divergent, diverging] [ant: convergent]

Moby Thesaurus II by Grady Ward, 1.0:

239 Moby Thesaurus words for "divergent":
   aberrant, abnormal, altered, amorphous, anomalistic, anomalous,
   antagonistic, antipathetic, antithetical, apart, assorted, asunder,
   at cross-purposes, at loggerheads, at odds, at variance, at war,
   atypical, backhand, backhanded, better, bipartite, capricious,
   centrifugal, changeable, changed, changing, choppy, circuitous,
   clashing, conflicting, contradictory, contrary, contrasted,
   contrasting, converted, counter, crank, crankish, cranky, cross,
   crotchety, deflectional, degenerate, delta-shaped, deltalike,
   deltoid, departing, deviant, deviating, deviative, deviatory,
   devious, dichotomous, different, differentiated, differing,
   digressive, disaccordant, disagreeable, disagreeing, discontinuous,
   discordant, discrepant, discrete, discriminated, disharmonious,
   disjoined, disorderly, disparate, disproportionate, dissident,
   dissimilar, dissonant, distant, distinct, distinguished,
   divagational, divaricate, divaricating, diverging, divers, diverse,
   diversified, diversiform, dotty, eccentric, erose, erratic,
   exceptional, excursive, fan-shaped, fanlike, fey, flaky, formless,
   freakish, funny, grating, hardly like, heteroclite, heterogeneous,
   heteromorphic, hostile, idiocratic, idiosyncratic, immiscible,
   improved, impulsive, in disagreement, in two, inaccordant,
   incoherent, incompatible, incongruous, inconsistent, inconsonant,
   inconstant, indirect, inharmonious, insular, irreconcilable,
   irregular, jagged, jangling, jarring, jerky, kinky, kooky,
   left-handed, maggoty, many, mercurial, metamorphosed, metastasized,
   modified, motley, multifarious, mutable, mutant, negative,
   noncohesive, nonconformist, nonstandard, nonuniform, nutty,
   oblique, odd, oddball, off, off-key, offbeat, opposite, out,
   out of accord, out of whack, palmate, palmated, partitioned,
   peculiar, pluralistic, poles apart, poles asunder, qualified,
   queer, quirky, ragged, rebuilt, reformed, renewed, repugnant,
   revived, revolutionary, rough, scarcely like, screwball, screwy,
   separate, separated, several, shapeless, side, sidelong, singular,
   sinister, sinistral, spasmodic, splayed, sporadic, strange, stray,
   straying, subnormal, subversive, transformed, translated,
   transmuted, twisted, unalike, unassociated, unattached, unattended,
   unconformable, uncongenial, unconnected, unconventional, unequable,
   unequal, uneven, unharmonious, unidentical, unjoined, unlike,
   unmatched, unmitigated, unnatural, unorthodox, unregular,
   unresembling, unsame, unsimilar, unstable, unsteady, unsystematic,
   ununiform, variable, variant, varied, variegated, variform,
   various, varying, wacky, wandering, wavering, whimsical,
   widely apart, worlds apart, worse