1.Definition: approximating the statistical norm or average or expected value

"The average income in New England is below that of the nation", "Of average height for his age"

Related Adjective(s):mean

2.Definition: around the middle of a scale of evaluation

"An orange of average size"

Related Adjective(s):intermediate, medium

3.Definition: lacking exceptional quality or ability

"A novel of average merit", "The caliber of the students has gone from mediocre to above average"

Related Adjective(s):fair, mediocre, middling

4.Definition: lacking special distinction, rank, or status; commonly encountered

"Average people"

Related Adjective(s):ordinary

5.Definition: relating to or constituting the middle value of an ordered set of values (or the average of the middle two in a set with an even number of values)

Related Adjective(s):median

6.Definition: relating to or constituting the most frequent value in a distribution

Related Adjective(s):modal