untreated
adj.describes something that has not been cleaned, fixed, or changed by a special process. You use this for things like dirty water, raw wood, or a sickness that a doctor hasn't helped yet.
adj.not having undergone a specific chemical, physical, or medical process. Often describes raw materials, environmental waste, or medical conditions that have not received clinical attention.
“Drinking untreated water from the river can make you very sick.”
“The furniture is made from untreated pine, so you will need to paint or varnish it yourself.”
“If left untreated, the infection can spread to other parts of the body and cause permanent damage to the surrounding tissue.”
Typically used as an attributive adjective before a noun or a predicative adjective after a linking verb like 'remain' or 'be'.
“Across these measures, animals receiving the leptin-producing implants adapted more rapidly to the new schedules than untreated controls.”
“Trees in treated areas were about four times more likely to survive than those in untreated portions of the same groves.”