untested

/ˌʌnˈtestɪd/ (bre, ipa) · /ˌʌnˈtestɪd/ (ame, ipa) · /ˌən-ˈte-stəd/ (ame, mw)

untested — adjective

  • untestedpositive
  • more untestedcomparative
  • most untestedsuperlative

1. An untested idea, theory, or plan is one that has never been put into practice,

1.形容詞B2
釋義

An untested idea, theory, or plan is one that has never been put into practice, so nobody knows whether it will actually work or produce the expected results.

例句

The mayor's untested plan to reduce traffic congestion received a mixed response from city councillors.

attributive: untested + plan

Many scientists remain cautious about the untested hypothesis until more data can be collected.

remain + untested (predicative)

同義詞
  • unproven

    focuses on lack of evidence for truth or effectiveness, slightly more formal

  • unvalidated

    suggests lack of formal verification, used in technical or academic contexts

  • unverified

    emphasises that claims have not been checked for accuracy

反義詞
  • proven

    established as true or effective through practice or evidence

  • tried-and-tested

    already used successfully in similar situations

文法句型

untested + noun (idea/theory/policy/plan)

remain + untested

as yet untested

用法筆記

Commonly modifies nouns like idea, theory, policy, plan, approach, or method. Frequently occurs with remain or stay to emphasise that no evaluation has happened yet.

常見錯誤

The new vaccine is still untested, so we cannot be sure about its effectiveness.
The new vaccine is still untested, so we cannot be sure about its safety or effectiveness.
💡For products and medicine, use sense 2 (UNEVALUATED), not sense 1, which is about ideas and policies.

2. An untested product, medicine, or chemical substance is one that has not been ch

2.形容詞B2
釋義

An untested product, medicine, or chemical substance is one that has not been checked through scientific trials to confirm that it is safe for people and works as intended.

例句

The hospital refused to use the untested surgical device until regulators had approved it.

attributive: untested + device

Laboratory staff handled the untested chemical compound inside a sealed safety cabinet.

attributive with domain-specific noun: untested chemical compound

同義詞
  • untried

    emphasises that something has never been used before, slightly less technical

  • unexamined

    suggests that proper inspection has not taken place

  • unevaluated

    focuses on the lack of formal assessment

反義詞
  • tested

    checked through trials

  • approved

    officially judged safe or effective by an authority

  • certified

    formally confirmed to meet required standards

文法句型

untested + noun (product/medicine/chemical/device)

still + untested

leave something untested

用法筆記

Frequently occurs in contexts of health, safety, and regulation. The object being tested is typically a physical thing (drug, chemical, device, treatment) rather than an abstract concept. Often paired with prepositional phrases like on [subjects] or in [conditions].

常見錯誤

The theory is still untested because the lab lacks proper equipment.
The chemical is still untested because the lab lacks proper equipment.
💡Use sense 1 (UNPROVEN) for abstract ideas and theories; use sense 2 for physical products and substances.

3. An untested person, team, or organisation is one that has never been in a situat

3.形容詞B2
釋義

An untested person, team, or organisation is one that has never been in a situation where their skill, ability, or reliability can be judged, so their true quality remains unknown.

例句

The basketball coach started an untested rookie in the opening game of the season.

attributive: untested + rookie (person)

Hiring an untested manager to run the factory made several senior workers feel uneasy.

同義詞
  • inexperienced

    more common and general; focuses on lack of practice rather than lack of evaluation

  • unseasoned

    informal, often used for new workers or soldiers

  • green

    informal, suggests a beginner who still has a lot to learn

反義詞
  • experienced

    having gained skill through practice

  • seasoned

    having extensive experience in a particular role

  • proven

    shown to be capable through past performance

文法句型

untested + noun (player/manager/team/company)

relatively untested

largely untested

用法筆記

Often modifies nouns for roles or groups: player, candidate, manager, team, company, organisation. Frequently used with adverbs like relatively or largely to indicate partial rather than complete lack of testing.