We found 16 dictionaries that define the word in the main:

General (14 matching dictionaries)

1. in the main: Merriam-Webster
2. in the main: Oxford Learner's Dictionaries
3. in the main: Collins English Dictionary
4. in the main: Vocabulary.com
5. in the main: Cambridge Advanced Learner's Dictionary
6. in the main: Wiktionary
7. In the main, in the main: Dictionary.com
8. in the main: Rhymezone
9. in the main: FreeDictionary.org
10. in the main: Mnemonic Dictionary
11. in the main: TheFreeDictionary.com
12. in the main: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

13. in the main: Legal dictionary

Miscellaneous (1 matching dictionary)

14. in the main: Idioms

Definitions from WordNet (in the main) ▸ adverb:  without distinction of one from others ▸ adverb:  for the most part Opposite: minority, subsidiary, secondary, subordinate Phrases: Family tree of Confucius in the main line of descent, i keep one in the main chamber, opposite of in the main, more... ▸ Words similar to in the main ▸ Usage examples for in the main ▸ Idioms related to in the main ▸ Wikipedia articles (New!) ▸ Words that often appear near in the main ▸ Rhymes of in the main ▸ Invented words related to in the main