Being the exact same one; not any other::
— Saw the selfsame quotation in two newspapers.

synonyms: identical, very.

Roget 13: identical; self, ilk; the same etc. n.. selfsame, one and the same, homoousian^†.    coincide, coalescent, coalescing; indistinguishable; one; equivalent etc. (equal) 27; tweedle dee and tweedle dum [Lat.]; much the same, of a muchness^†; unaltered.    ... show more