- untreated - not given medical care or treatment; "an untreated disease"; "the untreated wounded lay on makeshift cots"
Antonyms: treated, bandaged, bound, dosed, dressed
- untreated - not subjected to chemical or physical treatment; "an untreated fabric"
Antonyms: treated, activated, aerated, burned, burnt, doped, fumed, proofed
- untreated - (of a specimen for study under a microscope) not treated with a reagent or dye
Antonym: stained (indirect, via unstained)