from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Not known; unfamiliar: a modern-day problem unknown in earlier times.
- adj. Not identified or ascertained: received flowers from an unknown admirer.
- adj. Not established or verified.
- adj. Not well known or widely known: an unknown artist.
- n. A person or thing that is unknown: "the abyss of the unknown” ( Helena Petrovna Blavatsky).
- n. A person who is not well known, as to the general public: cast an unknown in the starring role.
- n. Mathematics A quantity of unknown numerical value.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Not known; unidentified; not well known.
- n. A variable (usually x, y or z) whose value is to be found.
- n. Any fact or place about which nothing is known (as in the phrase "into the unknown").
- n. A person of no identity; a nonentity
from the GNU version of the Collaborative International Dictionary of English
- adj. Not known; not apprehended.
from The Century Dictionary and Cyclopedia
- Not known; not become an object of knowledge; not recognized, discovered, or found out.
- Unknown in this sense is often used in the predicate, followed by to: as, a man unknown to fame; a fact unknown to the public. In this use it is also often used absolntely: as, unknown to me (elliptically for it being unknown to me), he made a new contract.
- Not ascertained, with relation to extent, degree, quantity, or the like; hence, incalculable; inexpressible; immense.
- Not to be made known, expressed, or communicated.
- Not having had sexual commerce.
- n. One who or that which is unknown.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not famous or acclaimed
- adj. not known before
- n. an unknown and unexplored region
- n. a variable whose values are solutions of an equation
- adj. not known to exist
- adj. not known
- adj. being or having an unknown or unnamed source
- n. anyone who does not belong in the environment in which they are found
Bailly defines it as 'the worship of the unknown, piety, godliness, humility, before the _unknown_.'
The boy solves his problem in algebra, finding out the unknown quantity by those values which are given him; and can we not also infer something of the _unknown_ from the great panorama that passes unceasingly before us?
Mr Rumsfeld is the man who, in February 2002, used the phrase "unknown unknowns" to describe the main dangers in any possible confrontation with Iraq.
The character is modeled on Florence Birdseye, but Colley changed her name unknown reasons.
If he is a democrat, he is one in some weird sense of the term unknown to most of us.
Fear of the unknown is the most potent kind of fear, folks; and this was a large unknown space on the map for Democrats.
Fear of the unknown is an emotion that few artists throw themselves into, but every human being experiences at one time or another.
Fear of the unknown is the only villain, and we see remarkably little of that.
This unknown is the new Arco Norte which has been open about 2 months.
"The longer-term unknown is the impact on the food chain," he said.
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