as in vague
not seen or understood clearly
plagued by undefined worries that kept her awake at night
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Recent Examples of undefined
Taken together, these disparate elements have created a new realm of media players that remains largely undefined.
—
Caitlin White, Variety, 29 Apr. 2026
Texas regulators flagged dozens of deficiencies in Camp Mystic's emergency plan, saying missing flood maps, unclear evacuation procedures and undefined staff roles could hinder responses during disasters or medical emergencies.
—Doug Myers, CBS News, 24 Apr. 2026
Sid Vangala, senior AI systems engineer and architect at MasTec, said the industry is entering an era where responsibility boundaries are completely undefined.
—Arthur Zaczkiewicz, Footwear News, 20 Apr. 2026
Leave ownership undefined, and the moon will become a playground for politicians and their cronies.
—Antony Davies, Boston Herald, 19 Apr. 2026
See All Example Sentences for undefined
Caitlin White, Variety, 29 Apr. 2026
Texas regulators flagged dozens of deficiencies in Camp Mystic's emergency plan, saying missing flood maps, unclear evacuation procedures and undefined staff roles could hinder responses during disasters or medical emergencies.
—Doug Myers, CBS News, 24 Apr. 2026
Sid Vangala, senior AI systems engineer and architect at MasTec, said the industry is entering an era where responsibility boundaries are completely undefined.
—Arthur Zaczkiewicz, Footwear News, 20 Apr. 2026
Leave ownership undefined, and the moon will become a playground for politicians and their cronies.
—Antony Davies, Boston Herald, 19 Apr. 2026
See All Example Sentences for undefined
Recent Examples of Synonyms for undefined
Adjective
-
Government warnings are often vague or late.—
Christopher Elliott,
Forbes.com,
30 May 2026
-
Lisabeth Pérez Castle, the city’s independent monitor, said in a statement that the vague new approach to discipline does not clearly explain how safety officials will comply with city laws regarding the monitor’s oversight.—
Shelly Bradbury,
Denver Post,
29 May 2026
Adjective
-
To catch the faint signals of early-stage tumors, doctors required huge apparatus packed with complex optical paths, expensive spectrometers, and sensitive prisms.—
Mrigakshi Dixit,
Interesting Engineering,
25 May 2026
-
The finish is medium to long, led by charred oak, baking spice, and vanilla, with lingering notes of orange zest, brown sugar, and a faint herbal touch of tobacco.—
Joseph V Micallef,
Forbes.com,
24 May 2026
Cite this Entry
“Undefined.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undefined. Accessed 1 Jun. 2026.
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