1. untreated - Adjective
2. untreated - Adjective Satellite
(of a specimen for study under a microscope) not treated with a reagent or dye
not subjected to chemical or physical treatment
not given medical care or treatment
Source: WordNetan untreated fabric Source: Internet
an untreated disease Source: Internet
the untreated wounded lay on makeshift cots Source: Internet
About 5–10% of these latent infections will eventually progress to active disease, which, if left untreated, kills more than half of its victims. Source: Internet
About 20 million liters of raw sewage and 40 million liters of partially treated water per day flowed into the Mediterranean Sea, and untreated sewage bred insects and mice. Source: Internet
About 40% to 50% of those left untreated can die. Source: Internet