1.
Something that is untouched by something else is not affected by it.
Asian airlines remain untouched by the deregulation that has swept America...
ADJ: v-link ADJ, ADJ after v
2.
If something is untouched, it is not damaged in any way, although it has been in a situation where it could easily have been damaged.
Michael pointed out to me that amongst the rubble, there was one building that remained untouched...
The desk had been rifled for money, some banknotes taken but cheque-book and credit cards left untouched.
ADJ: v-link ADJ, ADJ after v
3.
An untouched area or place is thought to be beautiful because it is still in its original state and has not been changed or damaged in any way.
Ducie is one of the world's last untouched islands, nearly 5,000km from Australia.
ADJ: ADJ n, v-link ADJ, ADJ after v
4.
If food or drink is untouched, none of it has been eaten or drunk.
The coffee was untouched, the toast had cooled...
ADJ: v-link ADJ, ADJ after v, ADJ n