"Undisturbed" means not being interrupted, bothered, or affected by anything. It refers to a state of tranquility or peace without any disruptions or disturbances. Full definition
This living museum has been relatively left undisturbed for 100 million years, spared from both environmental changes and human exploitation. (wikiaustralia.com)
We spent some time plowing through sand and a rough dirt road in the Q5 and can report that its interior remains undisturbed by even the roughest washboard roads. (vehiclehistory.com)
So, if you want 9 hours of undisturbed sleep for a fraction of a Business Class ticket, Singapore Airlines Premium Economy is the way to go! (travelskills.com)