ill-defined

adjective

: not easy to see or understand
The property's borders are ill-defined.
an ill-defined mission

Examples of ill-defined in a Sentence

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However, when intentions were ill-defined or assumed (sometimes based on hegemonic, often Christian, power dynamics), conversations about religious differences devolved from uncomfortable to hostile and even harmful. Matthew Mayhew, Forbes.com, 8 Sep. 2025 Worn with the wrong pieces, the look can seem messy or ill-defined. René Chávez Esparza, Glamour, 17 June 2025 The choices facing Matty and Olympia at the end of the finale seemed ill-defined, as did the stakes. Noel Murray, Vulture, 18 Apr. 2025 Instead, voters are being asked to approve Measure A, which would empower the county Board of Supervisors, by a four-fifths vote, to remove Corpus from office for any of five different broad and ill-defined reasons. Mercury News Editorial, The Mercury News, 26 Jan. 2025 Likewise, Gascón felt that Emilia’s sexuality was ill-defined. Julian Sancton, The Hollywood Reporter, 11 Jan. 2025 As for setting a more realistic timeline, Levine Cava wrote that the plan was still too ill-defined to say. Alyssa Johnson, Miami Herald, 7 Jan. 2025 That's particularly true now that the Supreme Court has scrapped a decades-old legal doctrine that gave the FDA, Centers for Medicare and Medicaid Services and other health agencies the discretion to interpret vague or ill-defined laws. Tina Reed, Axios, 16 Dec. 2024 Because this doctrine is so ill-defined, a lawyer can only guess at whether this Court will apply it to the Trump administration at all, or specifically to Trump’s tariff policies. Ian Millhiser, Vox, 7 Dec. 2018

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“Ill-defined.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ill-defined. Accessed 16 Sep. 2025.

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