UNKNOWABLE Synonyms: 126 Similar and Opposite Words

unknowable

adjective

Definition of unknowable

as in ambiguous

not able to be known No matter how far science advances, some things about the world will always remain unknown and unknowable. If passed, this law will have unknowable consequences.

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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 unknowable Man is an unknowable creature, and few things unsettle it more than forcing it to live within its mystery. — David Ehrlich, IndieWire, 13 Sep. 2026 That sense of powerlessness against an unknowable, unkillable foe. — Keith Langston, Space.com, 2 Sep. 2026 Treating the whole thing as unknowable can become an excuse not to plan. — Aleeza Gerstein, The Conversation, 28 Aug. 2026 Ariana Grande, the pop star and actor, is also a person, of flesh and blood, but unknowable beyond that bare fact from the vantage of a stranger, no matter the ubiquity of her image. — Lauren Michele Jackson, New Yorker, 8 Aug. 2026 See All Example Sentences for unknowable

Recent Examples of Synonyms for unknowable

Adjective

But the future of early-career employment is increasingly ambiguous, largely due to the rapid rise of artificial intelligence, according to the National Association of Colleges and Employers.

— Jessica Dickler, CNBC, 15 Oct. 2026
From here on out, the authorship of Tae-ju’s life is ambiguous, as well as constantly in flux, buffeted by the whims and suggestions of others, as well as by her own impulses.

— Guy Lodge, Variety, 14 Oct. 2026

Definition of ambiguous

Adjective

Someone who has regarded filmmaking as a mysterious occupation might begin to see a way into it.

— Philip Martin, Arkansas Online, 13 Oct. 2026
But despite these regular airings, the origin of the mysterious Jardine Star Brooch has remained tantalizingly unexplained for decades.

— Eva Wolchover, Vanity Fair, 13 Oct. 2026

Definition of mysterious

Adjective

The story centers on a transfer student’s enigmatic bond with a teacher, as a string of unexplained, supernatural incidents cracks the school’s polished facade.

— Ophélie Surcouf, Variety, 10 Oct. 2026
He is saved by an enigmatic young mechanic who equips him with a custom mechanical arm.

— Liz Shackleton, Deadline, 8 Oct. 2026

Definition of enigmatic

Adjective

What came next would eventually turn an obscure Medicaid settlement into a criminal investigation.

— Christopher Spata, Miami Herald, 17 Oct. 2026
There was very little original local production, and people were finding their favourite TV shows through obscure corners of the web.

— Annika Pham, Variety, 16 Oct. 2026

Definition of obscure

Adjective

Called Motor Decide, the tool is designed to help industries evaluate electric motor technologies and make informed decisions under uncertain market conditions.

— Prabhat Ranjan Mishra, Interesting Engineering, 15 Oct. 2026
These industry changes come at an uncertain time as artificial intelligence encroaches on the creative field and consumers are turning to social media platforms for music consumption and discovery.

— Cerys Davies, Los Angeles Times, 14 Oct. 2026

Definition of uncertain

Adjective

Destructive storms like Hurricane Milton in 2024, which made landfall on Florida’s west coast at Siesta Key, can destroy traps, make the water murky and otherwise cause complications for fishermen.

— Miami Herald, Miami Herald, 15 Oct. 2026
The evidence is murkier than the common talking point suggests.

— Ashley Lynch, Charlotte Observer, 15 Oct. 2026

Definition of murky

Adjective

The scope of the investigation into Omar is unclear, though Homeland Security Secretary Markwayne Mullin has suggested that authorities were examining potential crimes related to her family's immigration paperwork.

— Arkansas Online, Arkansas Online, 18 Oct. 2026
He’s also accused of having improper or unclear license plates, no proof of registration and insurance, and no proof of a driver’s license.

— Leigh Egan, FOXNews.com, 18 Oct. 2026

Definition of unclear

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unknowability

unknowable

unknowing

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“Unknowable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unknowable. Accessed 19 Oct. 2026.

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Synonyms of unknowable

adjective

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