Unimpeded dictionary definition

Fortunately for the unimpeded expansion of Italian art, little was brought to light of antique workmanship during the 14th and 15th centuries.
They crossed unimpeded through the portal and onto the island Sanctuary, one of four such sites bridging the mortal and immortal worlds.
He always maintained that Canada, separated by great barriers, running north and south, into four zones, each having unimpeded communication with the adjoining portions of the United States, was destined by its natural configuration to enter into a commercial union with them, which would result in her breaking away from the British empire, and in the union of the Anglo-Saxons of the American continent into one great nation.
The second stage is occupied with the gradual rise and ultimate ascendancy of another system founded on the idea of the right of the individual to an unimpeded sphere for the exercise of his economic activity.
Glacial elimination has been less severe, or rather there has been, at any rate on the Atlantic side, an unimpeded return of Miocene types.

unimpeded