unrestrained

Adjective

unrestrained (comparative more unrestrained, superlative most unrestrained)

1. Immoderate; not restrained or held in check; inordinate (literary).
   • The party was a scene of unrestrained debauchery.

   Synonyms:

   intemperate, lavish, wanton, devilish, excessive, horrendous, de trop, extravagant, extreme, immoderate

   Antonyms:

   moderate, restrained

2. Spontaneous, natural and informal; unconstrained.
   • Their meeting was one of unrestrained joy.

   Synonyms:

   genuine, heartfelt, sincere

   Antonyms:

   forced, insincere, restrained, rigid, stiff

3. Not subject to physical restraint.
   • Managing unrestrained prisoners alone in any environment is inherently dangerous and should not be tolerated.2009, Russell Colling, Tony W. York, Hospital and Healthcare Security, page 346
   • In an accident there will often be injuries, as people are unrestrained. But in the case of Sandilands, I don't think anyone would have foreseen the seven deaths and 62 injuries that occurred when the tram overturned [...].2021 December 29, Dominique Louis, “Causal analysis: crashworthiness at Sandilands”, in RAIL, number 947, page 32

   Synonyms:

   unbound, unconstrained, incontinent

   Antonyms:

   bound, constrained, restrained