untreated

adjective

1. Not given medical care or medicine.

   B1

   usually before a noun or after a linking verb

   • "The infection was left untreated."B1
   • "Untreated diabetes can cause serious health problems."B2

2. Not changed, cleaned, protected, or processed in any way.

   B2
   • "The table is made from untreated wood."B1
   • "The water is untreated and may not be safe to drink."B2

3. Not dealt with, corrected, or resolved.

   B2
   • "The problem remained untreated for several years."B2
   • "Untreated conflicts can damage relationships and reduce trust."C1