Mediocrity (noun)

1. The state of being average or ordinary, lacking exceptional quality or ability.
2. A person or thing that is average or ordinary, lacking exceptional quality or ability.

Origin:

From latin mediocris "of medium height, moderate", from medius "middle" + -ocris, variant of -ocrus "of the kind of".

Examples:

1. He was a man of mediocrity, always doing the bare minimum.
2. The team's performance was a mediocrity, they were not playing well.
3. She was a mediocre student, never excelling in her studies.
4. The company was in a state of mediocrity, not performing as well as expected.
5. The movie was a mediocrity, not living up to the hype.