mediocrity
🇺🇸
/ˌmiːdiˈɑːkrəti/
🇬🇧
/ˌmiːdiˈɒkrəti/
being average or not very good
The company's products fell into mediocrity after the founder left.
a person who is average or not very good at something
The team failed because it was full of mediocrities who lacked talent.