unknown Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of “unknown” in the English Dictionary

"unknown" in British English

See all translations

unknownadjective

uk   /ʌnˈnəʊn/  us   /ʌnˈnoʊn/
B1 not ​known or ​familiar: The ​exactnumber of ​peoplecarrying the ​virus is unknown. As ​recently as six ​months ago her ​name was ​almost unknown in this ​country. Unknown to me, she'd ​organized a ​party for my ​birthday.

expend iconexpend iconMore examples

unknownnoun

uk   /ʌnˈnəʊn/  us   /ʌnˈnoʊn/
C1 [S] what is not ​familiar or ​known: Racism is in some ​ways just a ​fear of the unknown.
[C] a ​person, ​especially a ​performer or ​sportsplayer, who is not ​famous: For her ​latestfilm she ​deliberatelychose a ​cast of unknowns.
[C] mainly US something that cannot be ​guessed at or ​calculated because so little is ​known about it: It's the ​big unknowns that make ​insurancecompaniesuneasy.
(Definition of unknown from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"unknown" in American English

See all translations

unknownadjective

 us   /ʌnˈnoʊn/
not ​known, or not ​known to many ​people: His ​whereabouts are still unknown.

unknownnoun [C]

 us   /ʌnˈnoʊn/
a ​person who is not ​known to many ​people: A ​year ago she was a ​virtual unknown on the figure-skating ​scene.
(Definition of unknown from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of unknown?
Add Cambridge dictionaries to your browser to your website

“unknown” in British English

“unknown” in American English

There, their and they’re – which one should you use?
There, their and they’re – which one should you use?
by ,
April 27, 2016
by Liz Walter If you are a learner of English and you are confused about the words there, their and they’re, let me reassure you: many, many people with English as their first language share your problem! You only have to take a look at the ‘comments’ sections on the website of, for example, a popular

Read More 

Word of the Day

sample

a small amount of something that shows you what the rest is or should be like

Word of the Day

bio-banding noun
bio-banding noun
April 25, 2016
in sport, grouping children according to their physical maturity rather than their age ‘When we’re grouping children for sports, we do it by age groups, but the problem is that, within those age groups, we get huge variations in biological age,’ said Dr Sean Cumming, senior lecturer at the University of Bath’s department for

Read More