Definition of "untreated"

The volume of the flame given out by the untreated wood was estimated at three times that given out by the best treated wood.

1905, Environmental Control & Safety Management, page 365

This short list represents but a few items of an extensive and open-ended list of untreated Indian English lexis.

2012, James Lambert, “Beyond Hobson-Jobson: A new lexicography for Indian English”, in World Englishes‎, page 302

The thrill of eventually finding a job is quickly offset by her untreated depression.

2019 August 16, Monalesia Earle, Writing Queer Women of Color: Representation and Misdirection in Contemporary Fiction and Graphic Narratives, McFarland, page 32