资料来源 : pyDict

无拘束;放纵

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Unrestraint \Un`re*straint"\, n.
   Freedom from restraint; freedom; liberty; license.

资料来源 : WordNet®

unrestraint
     n : the quality of lacking restraint [ant: {restraint}]