The Collaborative International Dictionary of English v.0.48:

Uninfluenced \Uninfluenced\
   See influenced.

WordNet (r) 3.0 (2006):

uninfluenced
    adj 1: not influenced or affected; "stewed in its petty
           provincialism untouched by the brisk debates that stirred
           the old world"- V.L.Parrington; "unswayed by personal
           considerations" [syn: uninfluenced, unswayed,
           untouched]

Moby Thesaurus II by Grady Ward, 1.0:

60 Moby Thesaurus words for "uninfluenced":
   Olympian, arbitrary, autonomous, candid, detached, discretional,
   discretionary, disinterested, dispassionate, elective, equitable,
   evenhanded, fair, free, free will, gratuitous, impartial,
   impersonal, independent, indifferent, just, lofty, neutral,
   nonmandatory, objective, offered, optional, proffered, self-acting,
   self-active, self-determined, self-determining, selfless,
   spontaneous, unaffected, unasked, unbesought, unbiased, unbidden,
   uncalled-for, uncoerced, uncompelled, undazzled, unforced,
   uninvited, unjaundiced, unmoved, unprejudiced, unprepossessed,
   unpressured, unprompted, unrequested, unrequired, unselfish,
   unsolicited, unsought, unswayed, voluntary, volunteer, willful