We found 18 dictionaries that define the word unfaithfulness:

General (15 matching dictionaries)

1. unfaithfulness: Merriam-Webster
2. unfaithfulness: Oxford Learner's Dictionaries
3. unfaithfulness: Collins English Dictionary
4. unfaithfulness: Vocabulary.com
5. Unfaithfulness, unfaithfulness: Wordnik
6. unfaithfulness: Cambridge Advanced Learner's Dictionary
7. unfaithfulness: Wiktionary
8. unfaithfulness: Dictionary.com
9. unfaithfulness: Rhymezone
10. unfaithfulness: Webster's 1828 Dictionary
11. unfaithfulness: FreeDictionary.org
12. unfaithfulness: Mnemonic Dictionary
13. unfaithfulness: TheFreeDictionary.com

Business (1 matching dictionary)

14. unfaithfulness: Legal dictionary

Computing (1 matching dictionary)

15. unfaithfulness: Encyclopedia

Slang (1 matching dictionary)

16. unfaithfulness: Urban Dictionary

(Note: See unfaithful as well.)

Definitions from Wiktionary (unfaithfulness) ▸ noun:  The characteristic of being unfaithful; infidelity; disloyalty. Similar: infidelity, unloyalty, disloyalty, disloyalness, faithlessness, dishonesty, untruthfulness, untrustworthiness, untrustfulness, falsity, more... Opposite: faithfulness, loyalty, devotion ▸ Words similar to unfaithfulness ▸ Usage examples for unfaithfulness ▸ Idioms related to unfaithfulness ▸ Wikipedia articles (New!) ▸ Popular adjectives describing unfaithfulness ▸ Words that often appear near unfaithfulness ▸ Rhymes of unfaithfulness ▸ Invented words related to unfaithfulness