untreated meaning and definition

UNTREATED adjective

Definition of untreated (adjective)

1. not given medical care or treatment
   • "an untreated disease"; "the untreated wounded lay on makeshift cots"
   • antonym: treated
2. not subjected to chemical or physical treatment
   • "an untreated fabric"
   • antonym: treated
3. (of a specimen for study under a microscope) not treated with a reagent or dye