1
as in unfamiliar
happening or existing without one's knowledge
unknown to me was the fact that while I was out, my family was hurriedly preparing a surprise birthday party
Synonyms & Similar Words
Relevance
2
as in novel
not known or experienced before
becoming a father brought unknown joy to his life
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in obscure
not widely known
looking for a relatively unknown singer to record the song
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of unknown
The rest of the cast remains unknown, but according to a confidential source, the Walrus is Paul.
—
Rob Sheffield, Rolling Stone, 5 Apr. 2025
The exact cause is unknown, but researchers believe it may be related to an autoimmune condition.9
Chronic skin conditions: Eczema and psoriasis are skin conditions that cause inflammation and may lead to lighter skin over time.
—Carrie Madormo, Rn, Health, 4 Apr. 2025
Its cause of death is unknown and is under investigation.
—Dac Collins, Outdoor Life, 3 Apr. 2025
At this time, the containment status is unknown and the cause of the fire remains undetermined.
—Ca Wildfire Bot, Sacramento Bee, 23 Mar. 2025
See All Example Sentences for unknown
Rob Sheffield, Rolling Stone, 5 Apr. 2025
The exact cause is unknown, but researchers believe it may be related to an autoimmune condition.9
Chronic skin conditions: Eczema and psoriasis are skin conditions that cause inflammation and may lead to lighter skin over time.
—Carrie Madormo, Rn, Health, 4 Apr. 2025
Its cause of death is unknown and is under investigation.
—Dac Collins, Outdoor Life, 3 Apr. 2025
At this time, the containment status is unknown and the cause of the fire remains undetermined.
—Ca Wildfire Bot, Sacramento Bee, 23 Mar. 2025
See All Example Sentences for unknown
Recent Examples of Synonyms for unknown
Adjective
-
Understandably, the team felt a degree of apprehension due to the focus on acquiring new clients in an unfamiliar market, which marked a departure from our traditional operations.—
Lori Huss,
Forbes.com,
8 Apr. 2025
-
Britton Moore stepped into unfamiliar territory during The Voice Season 27 Knockouts — and came out with a win.—
Jessica Lynch,
Billboard,
8 Apr. 2025
Adjective
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Giving consumers an authentic, memorable, and novel experience that shows how the brand understands the consumer on a deeper level forges a connection that can’t be bought.—
Alison Coleman,
Forbes.com,
9 Apr. 2025
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But Guillory learned something crucial about her evolution as an author while working on her latest novel Flirting Lessons, out April 8.—
Carly Tagen-Dye,
People.com,
8 Apr. 2025
Adjective
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The Republicans are expected to move the legislation on an obscure procedural track, known as reconciliation, which prevents the minority Democrats from blocking the package with a filibuster in the upper chamber.—
Mychael Schnell,
The Hill,
4 Apr. 2025
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The third book currently in production is known as The Black Book, a collection of unmade inventions sourced from obscure patents filed all over the world; a fascinating ode to the limitless power of the human imagination.—
Josh Weiss,
Forbes.com,
4 Apr. 2025
Adjective
-
So what explains this strange little sequence by the side of the pitch?—
Jack Pitt-Brooke,
New York Times,
4 Apr. 2025
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The unique role required a performer who could pass as young as age 7 and as old as 22 — a strange consequence of the real case that inspired the series.—
Alison Foreman,
IndieWire,
4 Apr. 2025
Adjective
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The provision for income taxes was $2.7 million, with the effective tax rate impacted by statutory rates, valuation allowances, and changes in unrecognized tax benefits.—
Quartz Intelligence Newsroom,
Quartz,
14 Mar. 2025
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There’s often a substantial, unrecognized cost involved in generating a mass amount of AI content; processing, storage and review fees often overlooked by brand managers.—
Kolawole Samuel Adebayo,
Forbes,
18 Mar. 2025
Adjective
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Wizards of Waverly Place: The Movie turned the wizardly backstory into an epic adventure, opening a gateway for young unbeknownst fantasy fans everywhere while also delivering a classically wholesome story about the importance of family and a parent's unconditional love.—
EW Staff,
EW.com,
1 July 2024
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For a surprise at the end, unbeknownst even to King, Winfrey arranged a path lined with sparklers, framing the couple in a golden glow against the night sky.—
Theresa Braine,
New York Daily News,
6 June 2024
Adjective
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Raptors president Masai Ujiri has never complained about MLSE’s financial support for the team, but these are unfamiliar, if not unprecedented, times.—
Eric Koreen,
New York Times,
28 Mar. 2025
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Those attacking Steve are, by extension, questioning the strategy of a president who has done more to help Israel than any other in memory and achieved unprecedented Middle East breakthroughs.—
Paul Du Quenoy,
MSNBC Newsweek,
28 Mar. 2025
Adjective
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Update: Republished on April 7 with reports into new surge in mobile attacks.—
Zak Doffman,
Forbes.com,
7 Apr. 2025
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That's nothing new from Brown; the Tony-winning composer writes the kind of music that moves, endears, tickles, and entertains.—
Shania Russell,
EW.com,
7 Apr. 2025
Cite this Entry
“Unknown.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unknown. Accessed 16 Apr. 2025.
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