We found 16 dictionaries that define the word mattering:

General (12 matching dictionaries)

1. mattering: Merriam-Webster
2. mattering: Collins English Dictionary
3. mattering: Vocabulary.com
4. mattering: Wordnik
5. mattering: Cambridge Advanced Learner's Dictionary
6. mattering: Wiktionary
7. Mattering, mattering: Dictionary.com
8. mattering: Cambridge Essential American English Dictionary
9. Mattering: Online Plain Text English Dictionary
10. Mattering: AllWords.com Multi-Lingual Dictionary
11. mattering: FreeDictionary.org
12. mattering: TheFreeDictionary.com

Business (1 matching dictionary)

13. mattering: Legal dictionary

Computing (1 matching dictionary)

14. mattering: Encyclopedia

Medicine (1 matching dictionary)

15. mattering: Medical dictionary

Miscellaneous (1 matching dictionary)

16. mattering: Idioms

(Note: See matter as well.)

Definitions from Wiktionary (mattering) ▸ noun:  (rare) The quality of something that matters; significance; importance. Similar: topic, count, material, substance, thing, weigh, affair, subject, issue, significance, more... Opposite: not mattering, not caring, not important ▸ Words similar to mattering ▸ Usage examples for mattering ▸ Idioms related to mattering ▸ Wikipedia articles (New!) ▸ Popular adjectives describing mattering ▸ Words that often appear near mattering ▸ Rhymes of mattering ▸ Invented words related to mattering