'Unconstrained' definitions:

Definition of 'unconstrained'

From: WordNet
adjective
Free from constraint; "he was unconstrained by any of the sanctions of polite society"; "the dog was unconstrained"; "idle, unconstrained gossip"

Definition of 'Unconstrained'

From: GCIDE

Synonyms of 'unconstrained'

From: Moby Thesaurus