from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Being the only one of its kind: the unique existing example of Donne's handwriting.
- adj. Without an equal or equivalent; unparalleled.
- adj. Characteristic of a particular category, condition, or locality: a problem unique to coastal areas.
- adj. Informal Unusual; extraordinary: spoke with a unique accent.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Being the only one of its kind; unequaled, unparalleled or unmatched.
- adj. Of a feature, such that only one holder has it.
- adj. Of a rare quality.
- adj. Unusual.
- n. A thing without a like; something unequalled or unparallelled.
from the GNU version of the Collaborative International Dictionary of English
- adj. Being without a like or equal; unmatched; unequaled; unparalleled; single in kind or excellence; sole.
- n. A thing without a like; something unequaled or unparalleled.
from The Century Dictionary and Cyclopedia
- In mathematics, unambiguous and singly determinate.
- Only; single.
- Having no like or equal; unmatched; sole; unequaled; single in its kind or excellence: often used relatively, and then signifying rare, unusual.
- n. A unique thing; a thing unparalleled or sole of its kind.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. the single one of its kind
- adj. highly unusual or rare but not the single instance
- adj. radically distinctive and without equal
- adj. (followed by `to') applying exclusively to a given category or condition or locality
French, from Old French, from Latin ūnicus.(American Heritage® Dictionary of the English Language, Fourth Edition)
From French unique. (Wiktionary)