Not touched, affected, or changed by anyone or anything; remaining in its original state.
From Old English 'un-' (not) combined with 'touched,' past tense of 'touch' from Old French 'toucher,' meaning to lay hands upon.
In archaeology, finding an 'untouched tomb' is incredibly rare and valuable because every human touch contaminates and changes evidence—King Tut's tomb is famous because it was relatively undisturbed for 3,000 years.
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