[1] : WordNet (r) 2.0

ill-advised
     adj : without careful prior deliberation or counsel; "ill-advised
           efforts"; "it would be ill-advised to accept the
           offer"; "took the unadvised measure of going public
           with the accusations"; "ill-advised efforts" syn: unadvised
           ant: well-advised
see also:
unadvised well-advised 

[2] : Moby Thesaurus II by Grady Ward, 1.0

146 moby thesaurus words for "ill-advised":
   a bit previous, advanced, automatic, bad, botched, brash, bungled,
   butchered, casual, far ahead, forward, fumbled, futile, gut,
   half-baked, half-cocked, hasty, hotheaded, ill-considered,
   ill-contrived, ill-devised, ill-done, ill-executed, ill-gauged,
   ill-judged, ill-managed, ill-seasoned, ill-suited, ill-timed,
   impolitic, improper, imprudent, impulsive, inadvertent,
   inadvisable, inappropriate, inapt, inauspicious, incautious,
   incongruous, inconsiderate, inconvenient, indeliberate, indiscreet,
   inept, inexpedient, infelicitous, injudicious, inopportune,
   insensate, intempestive, intrusive, involuntary, irrational,
   irrelevant, late, madcap, mal a propos, malapropos, mindless,
   misadvised, misconducted, misdirected, misguided, mismanaged,
   mistimed, muffed, murdered, myopic, negligent, not firm, off base,
   out of line, out of phase, out of place, out of time, overhasty,
   oversoon, precipitate, precocious, premature, previous, rash,
   reasonless, reckless, reflex, reflexive, rushed, senseless,
   shortsighted, snap, spoiled, spontaneous, thoughtless, too early,
   too late, too soon, unadvised, unbefitting, uncalculated,
   unconscious, unconsidered, uncrystallized, undeliberate,
   undeliberated, undesigned, undesirable, undiscerning, unfavorable,
   unfit, unfitting, unforeseeing, unfortunate, unhandy, unhappy,
   unintended, unintentional, unjelled, unlucky, unmatured,
   unmeditated, unmeet, unpremeditated, unprepared, unprofitable,
   unpropitious, unready, unreasonable, unreflecting, unreflective,
   unripe, unseasonable, unseeing, unseemly, unsensible, unsound,
   unstudied, unsuitable, unthinking, unthoughtful, untimely,
   untoward, unwilled, unwise, witless, wrong

Ill-Advised >> I Words
Ill-Advised, definition of term: Ill-Advised
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