unknown
not known; not within the range of one's knowledge, experience, or understanding; strange; unfamiliar.
not discovered, explored, identified, or ascertained: the unknown parts of Antarctica.
not widely known; not famous; obscure: an unknown writer.
a thing, influence, area, factor, or person that is unknown: the many unknowns in modern medicine; The director cast an unknown in the leading role.
Mathematics. a symbol representing an unknown quantity: in algebra, analysis, etc., frequently represented by a letter from the last part of the alphabet, as x, y, or z.
Origin of unknown
1Words Nearby unknown
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use unknown in a sentence
Finally, we plot this percentage of clicks going to unknown search terms by day, allowing you to easily see if there are any big changes coming out of the Googleplex.
How much does Google’s new search term filtering affect ad spend transparency? Here’s how to find out | Frederick Vallaeys | September 16, 2020 | Search Engine LandWhether Apple’s rumored new premium fitness offering, with virtual workouts and coaching, will appear as part of a bundle is unknown, but it could link with the introduction of the new Apple Watch.
It leads to what Firestein calls “the portal of the unknown.”
A secret of science: Mistakes boost understanding | Rachel Kehoe | September 10, 2020 | Science News For StudentsMultiple trustworthy outlets, citing unknown people familiar with his comments, report that he’s said some disturbing things about the military and those who serve in uniform.
Did Trump call US war dead “losers” and “suckers”? The controversy, explained. | Alex Ward | September 4, 2020 | VoxThat means an unknown but likely significant number of those 315,000 applicants will not naturalize soon enough to register by October and vote in November.
New U.S. Citizens Were One Of The Fastest-Growing Voting Blocs. But Not This Year. | Eileen Guo | August 31, 2020 | FiveThirtyEight
While Faal and Njie are in U.S. custody, the whereabouts of the other survivors is unknown.
The Shadowy U.S. Veteran Who Tried to Overthrow a Country | Jacob Siegel | January 6, 2015 | THE DAILY BEASTThe police suspect that the other unaccounted for 643,000 bitcoins, were removed from customer accounts via an unknown party.
Japanese Bitcoin Heist ‘an Inside Job,’ Not Hackers Alone | Nathalie-Kyoko Stucky, Jake Adelstein | January 1, 2015 | THE DAILY BEASTFormer Gov. Jimmy Carter entered the 1976 Presidential campaign as a more or less total unknown.
Until recently, the hacker collective known as Lizard Squad was all but unknown.
I believe that my case is being interfered with by unknown elements inside Iran.
An American Marine in Iran’s Prisons Goes on Hunger Strike | IranWire | December 18, 2014 | THE DAILY BEASTA native of Haarlem on Zandam, the date of her birth being unknown.
Women in the fine arts, from the Seventh Century B.C. to the Twentieth Century A.D. | Clara Erskine ClementIdly his pen traced upon the paper in front of him a large X, the sign of the unknown quantity.
Uncanny Tales | VariousSo how do you suppose Yung Pak's mother used to put him to sleep in this land where cradles were unknown?
Our Little Korean Cousin | H. Lee M. PikeThe French Railroads are better in this respect, and the American cannot be worse, though the fault is not unknown there.
Glances at Europe | Horace GreeleyHe believed Ramona was dead, buried in some unknown, unconsecrated spot, never to be found; yet he would not give up the search.
Ramona | Helen Hunt Jackson
British Dictionary definitions for unknown
/ (ʌnˈnəʊn) /
not known, understood, or recognized
not established, identified, or discovered: an unknown island
not famous; undistinguished: some unknown artist
unknown quantity a person or thing whose action, effect, etc, is unknown or unpredictable
an unknown person, quantity, or thing
maths a variable, or the quantity it represents, the value of which is to be discovered by solving an equation; a variable in a conditional equation: 3y = 4x + 5 is an equation in two unknowns
Derived forms of unknown
- unknownness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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