The Collaborative International Dictionary of English v.0.48:

Unconfined \Unconfined\
   See confined.

WordNet (r) 3.0 (2006):

unconfined
    adj 1: not confined [ant: confined]
    2: free from confinement or physical restraint [syn:
       unconfined, unimprisoned]

Moby Thesaurus II by Grady Ward, 1.0:

24 Moby Thesaurus words for "unconfined":
   absolute, free, full, illimitable, limitless, loose, no strings,
   open, perfect, plenary, unbound, unbounded, uncircumscribed,
   unconditional, unconditioned, unequivocal, unharmonious, unlimited,
   unmeasured, unqualified, unrestrained, unrestricted, wide-open,
   without strings