unintentional

from WordNet (r) 3.0 (2006)

unintentional
    adj 1: without deliberate intent; "my heart with unwilled love
           grew warm"- George Macdonald [syn: {unintentional},
           {unwilled}]
    2: not done with purpose or intent; "an unintended slight"; "an
       unintentional pun"; "the offense was unintentional"; "an
       unwitting mistake may be overlooked" [syn: {unintentional},
       {unplanned}, {unwitting}]

from The Collaborative International Dictionary of English v.0.48

Unintentional \Unintentional\
   See {intentional}.

from Moby Thesaurus II by Grady Ward, 1.0

53 Moby Thesaurus words for "unintentional":
      automatic, blind, casual, causeless, chance, compulsive,
      conditioned, forced, gut, haphazard, ill-advised, ill-considered,
      ill-devised, impulsive, inadvertent, indeliberate, instinctive,
      involuntary, mechanical, purposeless, random, reflex, reflexive,
      snap, spontaneous, unadvised, unanticipated, uncalculated,
      unconscious, unconsidered, undeliberate, undeliberated, undesigned,
      undevised, unexpected, unforeseen, unguarded, unguided, unintended,
      unlooked-for, unmeant, unmeditated, unplanned, unpremeditated,
      unprompted, unpurposed, unstudied, unthinking, unthought,
      unthought-of, unwilled, unwilling, unwitting

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