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investigational

American  
[in-ves-ti-gay-shuhn-uhl] / ɪnˌvɛs tɪˈgeɪ ʃən əl /

adjective

  1. relating to, engaged in, or involving investigation, or any process of thorough examination, research, inquiry, etc.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

After that discussion, some patients may still choose to pay for an investigational test.

From Slate ● Sep. 9, 2026

For most people, these tests are still investigational.

From Slate ● Sep. 9, 2026

Gillanders, a physician-scientist and surgical oncologist, also has developed an investigational vaccine against triple-negative breast cancer and treats patients at Siteman Cancer Center.

From Science Daily ● Jul. 9, 2026

The drug, used to treat various blood cancers, like chronic lymphocytic leukemia, is Nurix’s investigational tyrosine kinase degrader that eliminates disease-causing proteins.

From The Wall Street Journal ● Jun. 8, 2026

Two years ago through the instrumentality of that committee, the appropriation for investigational work was increased by some fifteen thousand dollars from the previous appropriation.

From Northern Nut Growers Association, Report Of The Proceedings At The Tenth Annual Meeting. Battle Creek, Michigan, December 9 and 10, 1919 by Northern Nut Growers Association

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