noun

1. Something of intermediate or average size, position, or quality.

adjective

1. Of intermediate or average size, position, or quality; mediocre.

   “The football team is never the worst or best in its league; its position is always middling.”

2. In fairly good health.

Synonyms: average, medium, unexceptional

adverb

1. Fairly, moderately, somewhat.

2. Not too badly, with modest success.