[1] : The Collaborative International Dictionary of English v.0.48

unsuited \unsuited\
   see suited.
see also:
suited 

[2] : WordNet (r) 2.0

unsuited
     adj : not easy to combine harmoniously syn: ill-sorted, incompatible,
            mismated
see also:
ill-sorted incompatible mismated 

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

59 moby thesaurus words for "unsuited":
   disappointing, disqualified, ill-adapted, ill-assorted, ill-chosen,
   ill-equipped, ill-fitted, ill-furnished, ill-matched, ill-provided,
   ill-sorted, ill-suited, ill-timed, improper, inadequate,
   inadmissible, inapplicable, inapposite, inappropriate, inapt,
   incapable, incompetent, inept, infelicitous, irrelevant,
   mal a propos, maladjusted, malapropos, misjoined, mismatched,
   mismated, misplaced, objectionable, out of character, out of joint,
   out of keeping, out of line, out of place, out of proportion,
   out of season, out of time, out of tune, unacceptable, unadapted,
   unapt, unarmed, unbecoming, unbefitting, unequipped, unfit,
   unfitted, unfitting, unmeet, unprovided, unqualified, unseasonable,
   unseemly, unsuitable, untimely

Unsuited >> U Words
Unsuited, definition of term: Unsuited
unsuited_pag1.html