Synonyms for Undisturbed (same or very similar meaning)
WordNet sense 1 (untroubled by interference or disturbance):
unmolested
WordNet sense 2 (not beset by troubles or disturbance or distress):
untroubled
WordNet sense 3 (not disturbed by strife or turmoil or war):
peaceful
From the ODE community, based on WordNet
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