Wiktionary
unrestrainable
a. Impossible to restrain.
Usage examples of "unrestrainable".
And then, too, later, at first given no choice, then, excited, helplessly aroused, unrestrainable, abandoned, uncontrollable, had performed superbly, serving me well, in the furs.
She is an instrument of passion on which he plays, delighting himself with the music of her expressions, her movements, her cries, even the wild, unrestrainable odors of her collared slave body.
Soon the stairwell was filled with uncontrollable, unrestrainable laughter.
At first I felt, unrestrainable, overwhelming me, an incredible flood of love and elation.