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.

noun. A unique thing; a thing unparalleled or sole of its kind.

adjective. Being without a like or equal; unmatched; unequaled; unparalleled; single in kind or excellence; sole.

noun. A thing without a like; something unequaled or unparalleled.

adjective. Being the only one of its kind; unequaled, unparalleled or unmatched.

adjective. Of a feature, such that only one holder has it.

adjective. Of a rare quality.

adjective. Unusual.

noun. A thing without a like; something unequalled or unparallelled.

adjective. the single one of its kind

adjective. highly unusual or rare but not the single instance

adjective. radically distinctive and without equal

adjective. (followed by `to') applying exclusively to a given category or condition or locality

incomparable  single  specific  uncomparable  unusual  

one-of-a-kind  unicity  

uniqueness  

Cheek  Creek  Dominique  Greek  Martinique  

new  specific  unusual  

a certain  absolute  almost unheard-of  alone  an