unaccustomed

unaccustomed
    adj 1: not habituated to; unfamiliar with; "unaccustomed to
           wearing suits" [ant: {accustomed}]
    2: not customary or usual; "an unaccustomed pleasure"; "many
       varieties of unaccustomed foods"; "a new budget of
       unaccustomed austerity"
    

Unaccustomed \Un`ac*cus"tomed\, a.
   1. Not used; not habituated; unfamiliar; unused; -- with to.
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            Chastened as a bullock unaccustomed to the yoke.
                                                  --Jer. xxxi.
                                                  18.
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   2. Not usual; uncommon; strange; new.
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            What unaccustomed cause procures her hither? --Shak.
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50 Moby Thesaurus words for "unaccustomed":
      a novice at, a stranger to, callow, curious, disaccustomed, fresh,
      green, green as grass, ignorant, immature, inexperienced, new,
      new to, peculiar, rare, raw, rusty, strange, unaccustomed to,
      unacquainted with, unanticipated, uncommon, unconversant,
      unconversant with, undeveloped, unexpected, unexperienced,
      unfamiliar, unfamiliar with, unfledged, unhabituated, unhardened,
      uninitiated in, uninured, unmatured, unpracticed, unpracticed in,
      unprecedented, unripe, unseasoned, unskilled in, untrained,
      untried, unused, unused to, unusual, unversed, unversed in,
      unwonted, weaned