Word
untreated
Phoneticsun·treat·ed, stress on the second syllable
US/ənˈtɹitɪd/
UK/ʌntɹˈiːtɪd/
Definition
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.
Examples
“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.”
Examples
simple
“Drinking untreated water from the river can make you very sick.”
contextual
“The furniture is made from untreated pine, so you will need to paint or varnish it yourself.”
complex
“If left untreated, the infection can spread to other parts of the body and cause permanent damage to the surrounding tissue.”
Usage
Typically used as an attributive adjective before a noun or a predicative adjective after a linking verb like 'remain' or 'be'.
Real-World Examples
“Trees in treated areas were about four times more likely to survive than those in untreated portions of the same groves.” “Testing the nanomaterial in mice revealed that after nine days, the wounds on treated mice showed 99 percent healing, while those on untreated mice showed only about 70 percent healing.” “Across these measures, animals receiving the leptin-producing implants adapted more rapidly to the new schedules than untreated controls.” - Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Frequent
- Level
- B2 · Upper Intermediate
- Updated
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