1. A region or space that has not been altered, developed, or affected by human activity or intervention
The national park preserves vast untouched areas of pristine wilderness.
O parque nacional preserva vastas áreas intocadas de natureza virgem.
2. A place that remains in its original, natural state without modification or disturbance
Explorers discovered untouched areas deep in the Amazon rainforest.
Exploradores descobriram áreas intocadas no fundo da floresta amazônica.