We found 9 dictionaries that define the word on the average:

General (8 matching dictionaries)

1. on the average: Merriam-Webster
2. on the average: Collins English Dictionary
3. on the average: Vocabulary.com
4. on the average: Dictionary.com
5. on the average: TheFreeDictionary.com
6. on the average: Rhymezone
7. on the average: FreeDictionary.org
8. on the average: Mnemonic Dictionary

Miscellaneous (1 matching dictionary)

9. on the average: Idioms

Definitions from WordNet (on the average) ▸ adverb:  typically Opposite: atypical, unusual, exceptional, abnormal, deviant ▸ Words similar to on the average ▸ Usage examples for on the average ▸ Idioms related to on the average ▸ Wikipedia articles (New!) ▸ Words that often appear near on the average ▸ Rhymes of on the average ▸ Invented words related to on the average