Unremarkable
un·re·mark·a·ble (ŭn'rĭ-mär'kə-bəl)
adj. Lacking distinction; ordinary.
adjective
found in the ordinary course of events; "a placid everyday scene"; "it was a routine day"
A passing thought you forget about.
A book you'll never read again.
The note in a song right before the one that chills you.
A connecting word.
A grade B egg.
Unpivotal.
Run of the mill.
Nothing to be remembered.