Unconstrained (adjective)

1. Not restricted or limited by conditions, rules, or regulations.
2. Not bound or confined by constraints.

Origin:

From un- + constrained, ultimately from latin constringere, "to bind".

Examples:

1. The artist was able to work in an unconstrained environment.
2. Her creativity was unconstrained by the limitations of the project.
3. The dancers were able to perform with unconstrained movements.
4. The team was given an unconstrained budget to complete the project.
5. The children were allowed to play in an unconstrained environment.