well-defined

adjective

well-de·​fined ˌwel-di-ˈfīnd How to pronounce well-defined (audio)
Synonyms of well-definednext
1
: having clearly distinguishable limits, boundaries, or features
a well-defined scar
2
: clearly stated or described
well-defined policies

Examples of well-defined in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The characters around him are less well-defined at this point, though the likability of the actors goes a long way. Angie Han, HollywoodReporter, 2 Jan. 2026 The difference between mental ‘wellness’ and clinical care The most profound finding the team discovered during the year running Yara AI, according to Braidwood, is that there’s a crucial distinction between wellness and clinical care that isn’t well-defined. Sage Lazzaro, Fortune, 28 Nov. 2025 This means that measures such as how well-defined your schema is, and how accessible information is through APIs, could be critical. Bernard Marr, Forbes.com, 10 Sep. 2025 Support is well-defined by the 200-day MA, currently rising on the chart near $61. Katie Stockton, CNBC, 18 Aug. 2025 See All Example Sentences for well-defined

Word History

First Known Use

1551, in the meaning defined at sense 1

Time Traveler
The first known use of well-defined was in 1551

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Cite this Entry

“Well-defined.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/well-defined. Accessed 8 Jan. 2026.

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