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

An undefined position means scattershot and inconsistent AI usage at your company.

— Rob Black, Forbes.com, 23 Sep. 2026
The role of the European Space Agency, perhaps NASA’s most enduring international partner, on the Moon Base program remains undefined.

— Stephen Clark, ArsTechnica, 22 Sep. 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

The problem of longevity possesses philosophical and practical contradictions, now heightened by the gradual disappearance of artists of Serra’s generation and the uncertain posthumous legacy of their work.

— Jeffrey Weiss, Artforum, 1 Oct. 2026
The project faces uncertain costs, a timeline that could push exports beyond 2028 and possible legal challenges.

— Los Angeles Times, Los Angeles Times, 30 Sep. 2026

Definition of uncertain

Adjective

Riverside Fire Chief Greg White told The Times that the investigation into the cause of the fire is ongoing, and the cause remains undetermined.

— Los Angeles Times, Los Angeles Times, 24 Sep. 2026
During the incident, the suspects allegedly stole the clerk’s cellular phone, watch and an undetermined amount of cash, police said.

— Staff Report, Hartford Courant, 23 Sep. 2026

Definition of undetermined

Adjective

Even after much tribulation, the researchers were finally able to test if photons traveling through the instrument’s circuits were indistinguishable.

— Ameya Paleja, Interesting Engineering, 28 Sep. 2026
Inside the brain, physical and social pain are nearly indistinguishable.

— George Loewenstein, Vogue, 28 Sep. 2026

Definition of indistinguishable

Adjective

Remedy games encourage a kind of obsession and fascination from players, not just with inexplicable lore but with thick atmosphere.

— Jordan Minor, PC Magazine, 18 Sep. 2026
Since at least 1389, two vials purportedly containing the saint’s blood have been venerated in Naples because of their inexplicable ability to liquefy on his feast days.

— Clare Whitton, The Conversation, 17 Sep. 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 Oct. 2026.

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Synonyms of undefinable

adjective

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