Wiktionary
unforbidden
a. Not forbidden; permitted.
Usage examples of "unforbidden".
All was prepared by unforbidden means Which we must pay so dearly, having done.
Probably Byron, a man of wide reading had seen them, and thought that he too might tread on unforbidden ground and still lay claim to innocence.
This was no child-woman, and what he was discovering with her was the adult joy of unforbidden love.