untreated
adjective(un-treat-ed)
not subjected to chemical or physical treatment
Examples:
An untreated fabric.
untreated
adjective(un-treat-ed)
(of a specimen for study under a microscope) not treated with a reagent or dye
untreated
(un-treat-ed)
not given medical care or treatment
Examples:
An untreated disease.
The untreated wounded lay on makeshift cots.