We found 21 dictionaries that define the word matters:

General (14 matching dictionaries)

1. matters: Longman Dictionary of Contemporary English
2. matters: Merriam-Webster
3. matters: Oxford Learner's Dictionaries
4. matters: Collins English Dictionary
5. matters: Vocabulary.com
6. Matter's, Matters, matter's, matters: Wordnik
7. matters: Cambridge Advanced Learner's Dictionary
8. Matters, matters: Wiktionary
9. matters: Dictionary.com
10. matters: Cambridge Essential American English Dictionary
11. Matters (Pulley album), Matters (album), Matters (band): Wikipedia, the Free Encyclopedia
12. Matters: Rhymezone
13. matters: TheFreeDictionary.com
14. matters: Wikimedia Commons US English Pronunciations

Business (2 matching dictionaries)

15. matters: Merriam-Webster Legal Dictionary
16. matters: Legal dictionary

Computing (1 matching dictionary)

17. matters: Encyclopedia

Medicine (2 matching dictionaries)

18. matters: Merriam-Webster Medical Dictionary
19. matters: Medical dictionary

Miscellaneous (1 matching dictionary)

20. matters: Idioms

Slang (1 matching dictionary)

21. Matters: Urban Dictionary

(Note: See matter as well.)

Definitions from Wikipedia (Matters) ▸ noun:  an album by the punk rock band Pulley. ▸ noun:  a Canadian indie rock band from Guelph, Ontario. Opposite: irrelevant, trivial, insignificant, unimportant, negligible Phrases: it matters, money matters, personal matters, subject matters, organic matters, more... Adjectives: such, other, important, religious, political, certain, financial, economic, military, various, personal Colors:     black,     white,     gray,     red,     blue, more... ▸ Words similar to matters ▸ Usage examples for matters ▸ Idioms related to matters ▸ Wikipedia articles (New!) ▸ Popular adjectives describing matters ▸ Words that often appear near matters ▸ Rhymes of matters ▸ Invented words related to matters