Having no peculiar or outstanding features; not extraordinary, special, exceptional, or great; of medium quality, almost always with a negative connotation.

A person of minor significance, accomplishment or acclaim; a common and undistinguished person.

In a mediocre way.

plural of mediocre

(rare) mediocrity

(now rare) The quality of being intermediate between two extremes; a mean. / (obsolete) A middle course of action; moderation, balance.

plural of mediocrity

(archaic) mediocre

(rare) In a mediocral manner.

The philosophical notion that an item drawn at random from one of several sets or categories is more likely to come from the most numerous category than from any of the others.