UNDEFINABLE Synonyms: 74 Similar and Opposite Words

undefinable

adjective

Definition of undefinable

as in undefined

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Example Sentences

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.

Recent Examples of undefinable Sports cars are famously undefinable, encompassing a broad array of roadsters, four-door cars, coupes, grand tourers, supercars, and even some straight-up race cars. — Robert Ross, Robb Report, 28 Oct. 2025 Making a case for the undefinable quality of camp, Doonan asks what do Grace Jones, Benjamin Disraeli, Salvador Dalí, K-pop and a giant art nouveau vase covered in fairies and stuffed with peacock feathers have in common. — Rosemary Feitelberg, Footwear News, 23 July 2025 The streets are dotted with workers in hazmat suits doing undefinable tasks and the stores are rundown. — Esther Zuckerman, IndieWire, 11 Mar. 2025 England’s precise positions down that side were slightly undefinable, which means the formation question is slightly redundant. — Michael Cox, The Athletic, 7 July 2024 See All Example Sentences for undefinable

Recent Examples of Synonyms for undefinable

Adjective

Still, despite the breakneck pace at which large language models and agentic AI are evolving, AI devices are still in the embryonic stage and very much undefined—a fact that may play to Ive’s strengths.

— Emily Forlini, Fortune, 22 July 2026
Whenever those expectations remained undefined, disappointment usually followed.

— Kent Merrell, Forbes.com, 21 July 2026

Definition of undefined

Adjective

In the case of tomatoes, this is true with indeterminate varieties, and less so with determinate varieties that won’t continue growing and producing after harvesting.

— Amy Brightfield, Better Homes & Gardens, 20 July 2026
For Mary Kay, the latter of these rationales seems to have been clothed in the guise of the former, though the precise catalyst for establishing her own outfit remains indeterminate.

— Lauren Michele Jackson, New Yorker, 15 July 2026

Definition of indeterminate

Adjective

Yet cycling’s code of ethics is both large and indistinct; the scale of Pogačar’s dominance threatens its traditions.

— Jacob Whitehead, New York Times, 26 July 2026
There, a holiday somewhere hot and indistinct, the only clear memory compressed into the feeling of rough grains of sand studding her feet.

— Literary Hub, Literary Hub, 13 July 2026

Definition of indistinct

Adjective

All available polling data indicates that the public mood in Russia is growing more uncertain and anxious.

— Alexander Gabuev, Foreign Affairs, 31 July 2026
But advocates like Amy Behnke, who leads the Health Center Association of Nebraska, said the state's notices were confusing and left many low-income people uncertain if the new rules apply to them.

— Julie Wernau, NPR, 31 July 2026

Definition of uncertain

Adjective

Cornucopian, a 4-year-old son of Into Mischief, suffered an injury of undetermined severity nearing the quarter pole on the far turn and was pulled up by jockey Juan Hernandez.

— Bill Center, San Diego Union-Tribune, 26 July 2026
Both films show their stunted couples attempting to start over, reenacting the beginning of their relationship, when everything was terrifyingly and beautifully undetermined.

— Faith Hill, The Atlantic, 24 July 2026

Definition of undetermined

Adjective

This is a common leadership blind spot—especially among high performers—where admitting any vulnerability, or even pausing, feels indistinguishable from weakness.

— Julian Hayes II, Forbes.com, 25 July 2026
The novel’s lack of interest in what’s going on inside its characters’ phones becomes indistinguishable from a disinterest in what’s happening in their minds.

— Hillary Kelly, The Atlantic, 24 July 2026

Definition of indistinguishable

Adjective

Fans rightfully mocked the dancing cars mounted on robot arms that played during an inexplicable diversion on Universal Studios Hollywood’s Studio Tour.

— Robert Niles, Oc Register, 21 July 2026
They were shocked by their inexplicable sloppiness, by a flop that not a single one of them could answer for.

— Henry Bushnell, New York Times, 7 July 2026

Definition of inexplicable

Browse Nearby Words

undefiled

undefinable

undefined

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“Undefinable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undefinable. Accessed 2 Aug. 2026.

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Synonyms of undefinable

adjective

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