selfsame

UK: /ˈsɛlfˌseɪm/

US: /ˈsɛlfˌseɪm, -ˈseɪm/

US: (self′sām′, -sām′)

WordReference Random House Learner's Dictionary of American English © 2026

self•same /ˈsɛlfˌseɪm, -ˈseɪm/   adj. [before a noun]

1. being the very same:
   the selfsame problem we had before.

WordReference Random House Unabridged Dictionary of American English © 2026

self•same  (self′sām′, -sām′), adj. 

1. being the very same;
   identical.

• 1375–1425; late Middle English selve same; see self, same; cognate with Danish selvsamme, Old High German selbsama

self′same′ness, n. 
Synonyms

exact, very, same.

Collins Concise English Dictionary © HarperCollins Publishers::

selfsame / ˈsɛlfˌseɪm/ adjective

1. (prenominal) the very same