unknown
an unknown quantity
A person or thing that is unpredictable and thus difficult to anticipate. We're still revising our new product, so its potential success is an unknown quantity. This is her first year teaching, so her ability to connect with her students is still an unknown quantity.
See also: quantity, unknown
be an unknown quantity
To be unpredictable and thus difficult to anticipate. We're still revising our new product, so its potential success is an unknown quantity as yet. This is her first year teaching, so her ability to connect with her students is still something of an unknown quantity.
See also: quantity, unknown
unknown country
A place, topic, or situation that is totally foreign or unfamiliar. There has been such turbulence and change with the company that the future now looks like an unknown country. Visiting my dad's family down in Texas always felt like traveling to an unknown country as a kid.
See also: country, unknown
unknown to (one)
With someone being unaware (of something). Unknown to Jacobson, the other two partners had drawn up the deal in such a way that they would have full control of the company in two years' time. My wife invited her entire family to come stay with us for Christmas—unknown to me.
See also: unknown
Farlex Dictionary of Idioms.
*unknown quantity
Fig. a person or thing about which no one is certain. (*Typically: be ~; become ~.) John is an unknown quantity. We don't know how he's going to act. The new clerk is an unknown quantity. Things may not turn out all right.
See also: quantity, unknown
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
unknown quantity
An unpredictable person or thing, as in We don't know how the new pitcher will do-he's an unknown quantity. This expression comes from algebra, where it signifies an unknown numerical value. Its figurative use dates from the mid-1800s.
See also: quantity, unknown
The American Heritage® Dictionary of Idioms by Christine Ammer.
an unknown quantity
COMMON If someone or something is an unknown quantity, not much is known about them. She had met Max several times, but he was still pretty much an unknown quantity. The team is something of an unknown quantity, having played few big games. Ballet was an unknown quantity in the United States at that time.
See also: quantity, unknown
Collins COBUILD Idioms Dictionary, 3rd ed.
unknown country
an unfamiliar place or topic.The Latin equivalent, terra incognita , is also used in English.
See also: country, unknown
unknown quantity
a person or thing whose nature, value, or significance cannot be determined or is not yet known.See also: quantity, unknown
Farlex Partner Idioms Dictionary
an ˌunknown ˈquantity
a person or thing that you do not know anything or enough about: His ability to make decisions in a crisis is an unknown quantity. Our new director is still an unknown quantity.See also: quantity, unknown
unknown to somebody
without the person mentioned being aware of it: Unknown to me, he had already signed the agreement.See also: somebody, unknown
Farlex Partner Idioms Dictionary
- an unknown quantity
- quantity
- unknown quantity
- be an unknown quantity
- joker
- the joker in the pack
- now (that) you mention it
- what you see is what you get
- WYSIWYG
- back to the drawing board