untreated

IPA/ˌʌnˈtriːtɪd/
KK[əntrˈitɪd]IPA/ˌʌnˈtriːtɪd/

untreated — adjective

  • untreatedpositive
  • more untreatedcomparative
  • most untreatedsuperlative

1. describes a disease, injury, or sick person or animal that has not received any

1.形容詞B2
釋義

describes a disease, injury, or sick person or animal that has not received any medical attention or care.

例句

Sora's wound had remained untreated for three days before she finally saw a doctor.

pattern: remain untreated + duration

Diego's untreated high blood pressure led to a heart attack at age forty-two.

possessive: person's untreated + condition

同義詞
  • neglected

    stronger judgment — implies someone failed in their duty to provide care

  • unattended

    focuses on lack of supervision or follow-up, not necessarily medical

  • unmedicated

    narrower — only the absence of drugs, not broader medical care

反義詞

文法句型

remain/lie/go + untreated

untreated + noun (illness/injury)

left + untreated

用法筆記

Frequently appears in the fixed phrase 'left untreated' (e.g. 'if left untreated'). Subject is typically a medical condition or injury, not the person themselves — though 'untreated patient' is occasionally used.

常見錯誤

❌The doctor said my disease is untreated.
✅The doctor said my disease is not being treated.
💡'untreated' describes a state, not a medical decision; it sounds odd when attributed to a medical professional's stated opinion.

2. describes a substance or material that has not been cleaned or processed with ch

2.形容詞B2
釋義

describes a substance or material that has not been cleaned or processed with chemicals or heat, so it remains in its natural state.

例句

The city's water supply contained untreated sewage after the storm.

collocation: untreated sewage / untreated waste

Pedro applied untreated wood to the garden fence because it was cheaper.

同義詞
  • raw

    emphasises a completely natural state, often for food or materials

  • unprocessed

    focuses on the absence of industrial or mechanical changes

  • crude

    used specifically for oil and other natural resources in their original state

反義詞
  • treated

    has undergone cleaning, chemical or physical processing

  • processed

    has been changed by industrial methods

  • refined

    has been purified, especially of oil or metals

文法句型

untreated + noun (material/substance)

用法筆記

Commonly used with nouns for natural resources, materials, waste products, or raw ingredients. Often contrasts with 'treated' versions that are considered safer or more processed.

常見錯誤

❌I bought untreated vegetables at the market.
✅I bought organic vegetables at the market.
💡'untreated' sounds unnatural for fresh produce; use 'organic' or 'unprocessed' instead.
❌The water is untreated so it is pure.
✅The water is untreated so it may still contain impurities.
💡'untreated' does not mean naturally pure; it means no cleaning has been done.