Wiktionary
unstifled
a. Not stifled.
Usage examples of "unstifled".
He sees a place where there is a galaxy that is unstifled by the rules of the Federation, striving ceaselessly to create a perfect reality that exists only in the minds of those who have an interest in maintaining the status quo.
Now they sat back in their seats and closed their eyes or looked mutely at the passing drab scenery with no more than an unstifled yawn, until they pulled through the embassy gate.