unique

unique (http://definr.com/unique)

     adj 1: the single one of its kind; "a singular example"; "the
            unique existing example of Donne's handwriting"; "a
            unique copy of an ancient manuscript"; "certain types
            of problems have unique solutions" [syn: singular]
     2: radically distinctive and without equal; "he is alone in the
        field of microbiology"; "this theory is altogether alone
        in its penetration of the problem"; "Bach was unique in
        his handling of counterpoint"; "craftsmen whose skill is
        unequaled"; "unparalleled athletic ability"; "a breakdown
        of law unparalleled in our history" [syn: alone(p), unequaled,
         unequalled, unparalleled]
     3: (followed by `to') applying exclusively to a given category
        or condition or locality; "a species unique to Australia"
        [syn: unique(p)]
     4: highly unusual or rare but not the single instance; "spoke
        with a unique accent"; "had unique ability in raising
        funds"; "a frankness unique in literature"; "a unique
        dining experience"