The Collaborative International Dictionary of English v.0.48:

Ungoverned \Ungoverned\
   See governed.

WordNet (r) 3.0 (2006):

ungoverned
    adj 1: not restrained or controlled; "unbridled rage"; "an
           unchecked temper"; "ungoverned rage" [syn: unbridled,
           unchecked, uncurbed, ungoverned]
    2: lacking in discipline or control; "undisciplined behavior";
       "ungoverned youth" [syn: undisciplined, ungoverned]

Moby Thesaurus II by Grady Ward, 1.0:

121 Moby Thesaurus words for "ungoverned":
   abandoned, anguished, anxious, beefing, bellyaching, bitching,
   bored, cheerless, complaining, complaintful, crabbing, crabby,
   cranky, croaking, depressed, disappointed, discontented,
   disgruntled, disgusted, disobedient, displeased, dissatisfied,
   envious, faultfinding, go-go, grim, griping, grouchy, grousing,
   growling, grumbling, headstrong, heady, immoderate, incontinent,
   indulgent, insubordinate, intemperate, irrepressible,
   irresponsible, joyless, lawless, lax, licentious, loose,
   malcontent, malcontented, murmuring, mutinous, muttering,
   nauseated, nauseous, nonrestrictive, out of control, out of hand,
   out of humor, peevish, permissive, petulant, pleasureless,
   prey to malaise, querulant, querulous, rampant, rebellious,
   reinless, repelled, resentful, restive, restless, revolted,
   riotous, sad, self-willed, sickened, suffering angst, sulky,
   unaccepting, unaccommodating, unaccountable, unbridled, unbroken,
   unchecked, uncoerced, uncompelled, unconquered, unconstrained,
   uncontrolled, uncurbed, undisciplined, uneasy, unenthralled,
   unforced, unfulfilled, ungratified, unhampered, unhappy,
   uninhibited, unmastered, unmeasured, unmuzzled, unquelled, unquiet,
   unreined, unrepressed, unreserved, unrestrained, unrestrictive,
   unruly, unsatisfied, unsubdued, unsubject, unsuppressed, untamed,
   untrammeled, unvanquished, wanton, whiny, wild, wildcat, willful