The Collaborative International Dictionary of English v.0.48:

Unrepressed \Unrepressed\
   See repressed.

WordNet (r) 3.0 (2006):

unrepressed
    adj 1: not repressed; "unrepressed hostilities"

Moby Thesaurus II by Grady Ward, 1.0:

68 Moby Thesaurus words for "unrepressed":
   abandoned, accessible, approachable, candid, communicative,
   conversable, demonstrative, effusive, expansive, extroverted,
   frank, free, free-speaking, free-spoken, free-tongued, go-go,
   gossipy, immoderate, incontinent, indulgent, intemperate,
   irrepressible, lax, licentious, loose, newsy, nonrestrictive, open,
   out of control, out of hand, outgoing, outspoken, permissive,
   rampant, reinless, riotous, self-revealing, self-revelatory,
   sociable, talkative, unbridled, unchecked, uncoerced, uncompelled,
   unconstrained, uncontrolled, uncurbed, unforced, ungoverned,
   unhampered, uninhibited, unmastered, unmeasured, unmuzzled,
   unreined, unreserved, unrestrained, unrestricted, unrestrictive,
   unreticent, unruly, unsecretive, unshrinking, unsilent, unsubdued,
   unsuppressed, wanton, wild