What does "nothing special" mean?

Something ordinary or run-of-the-mill.

Nothing special

Common synonyms include: bourgeoisie, burgherdom, fourth-rater, mediocrity, middle america, middle class.

noun

noun ·Rare ·Advanced level

Noun

1
Something ordinary or run-of-the-mill. uncountable
"The sandwich was plain old junk food, nothing special."
2
Nothing worth discussing; nothing that the speaker wants to mention. uncountable

"The sandwich was plain old junk food, nothing special."