disruptive

from WordNet (r) 3.0 (2006)

disruptive
    adj 1: characterized by unrest or disorder or insubordination;
           "effects of the struggle will be violent and disruptive";
           "riotous times"; "these troubled areas"; "the tumultuous
           years of his administration"; "a turbulent and unruly
           childhood" [syn: {disruptive}, {riotous}, {troubled},
           {tumultuous}, {turbulent}]

from The Collaborative International Dictionary of English v.0.48

Disruptive \Dis*rupt"ive\, a.
   Causing, or tending to cause, disruption; caused by
   disruption; breaking through; bursting; as, the disruptive
   discharge of an electrical battery. --Nichol.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

32 Moby Thesaurus words for "disruptive":
      ablative, bad, biodegradable, corrosive, decomposable, decomposing,
      degradable, dilapidated, disintegrable, disintegrated,
      disintegrating, disintegrative, disjunctive, disorderly, erosive,
      improper, misbehaving, moldering, naughty, not respectable,
      off-base, out-of-line, ravaged, resolvent, rowdy, rowdyish,
      ruffianly, ruinous, separative, solvent, unbehaving, worn

[email protected]