“+ adjective
Etymology: Middle English unnoumbred, unnombred, from un- (I) + noumbred, nombred, past participle of noumbren, nombren to number — more at number
: not numbered: as
a. : more than are countable : innumerable
through my heart's palace thoughts unnumbered throng — Rupert Brooke
b. : not having an identifying number
unnumbered page
you turn west up an unnumbered dirt road — Bernard DeVoto