We found 31 dictionaries that define the word ingratitude:

General (25 matching dictionaries)

1. ingratitude: Merriam-Webster
2. ingratitude: Oxford Learner's Dictionaries
3. ingratitude: American Heritage Dictionary of the English Language
4. ingratitude: Collins English Dictionary
5. ingratitude: Vocabulary.com
6. Ingratitude, ingratitude: Wordnik
7. ingratitude: Cambridge Advanced Learner's Dictionary
8. ingratitude: Wiktionary
9. ingratitude: Webster's New World College Dictionary, 4th Ed.
10. ingratitude: The Wordsmyth English Dictionary-Thesaurus
11. ingratitude: Infoplease Dictionary
12. ingratitude: Dictionary.com
13. ingratitude: Online Etymology Dictionary
14. ingratitude: Cambridge Essential American English Dictionary
15. Ingratitude: Online Plain Text English Dictionary
16. ingratitude: Webster's Revised Unabridged, 1913 Edition
17. ingratitude: Rhymezone
18. ingratitude, ingratitude (f): AllWords.com Multi-Lingual Dictionary
19. ingratitude: Webster's 1828 Dictionary
20. ingratitude: FreeDictionary.org
21. ingratitude: Mnemonic Dictionary
22. ingratitude: TheFreeDictionary.com
23. ingratitude: Longman Dictionary of Contemporary English

Business (4 matching dictionaries)

24. ingratitude: Merriam-Webster Legal Dictionary
25. Glossary of Legal Terms (No longer online)
26. Bouvier's Law Dictionary 1856 Edition (No longer online)
27. ingratitude: Legal dictionary

Computing (1 matching dictionary)

28. Ingratitude: Encyclopedia

Medicine (1 matching dictionary)

29. online medical dictionary (No longer online)

(Note: See ingratitudes as well.)

Definitions from Wiktionary ( ) ▸ noun:  A lack or absence of gratitude; thanklessness. Similar: ungratefulness, unthank, thanklessness, unappreciation, inappreciation, nonappreciation, unacknowledgment, ungrace, nonacknowledgment, rewardlessness, more... Opposite: gratitude, thankfulness, appreciation Adjectives: such, black, filial, basest, gross, own, great, much, human, apparent, monstrous Colors:     gray,     dull brown,     murky green,     faded yellow,     pale blue, more... ▸ Word origin ▸ Words similar to ingratitude ▸ Usage examples for ingratitude ▸ Idioms related to ingratitude ▸ Wikipedia articles (New!) ▸ Popular adjectives describing ingratitude ▸ Words that often appear near ingratitude ▸ Rhymes of ingratitude ▸ Invented words related to ingratitude