We found 26 dictionaries that define the word faintness:

General (19 matching dictionaries)

1. faintness: Merriam-Webster
2. faintness: Oxford Learner's Dictionaries
3. faintness: Collins English Dictionary
4. faintness: Vocabulary.com
5. Faintness, faintness: Wordnik
6. faintness: Cambridge Advanced Learner's Dictionary
7. faintness: Wiktionary
8. faintness: Dictionary.com
9. Faintness: Wikipedia, the Free Encyclopedia
10. Faintness: Online Plain Text English Dictionary
11. faintness: Webster's Revised Unabridged, 1913 Edition
12. faintness: Rhymezone
13. Faintness: AllWords.com Multi-Lingual Dictionary
14. faintness: Webster's 1828 Dictionary
15. faintness: FreeDictionary.org
16. faintness: Mnemonic Dictionary
17. faintness: TheFreeDictionary.com

Business (1 matching dictionary)

18. faintness: Legal dictionary

Computing (1 matching dictionary)

19. faintness: Encyclopedia

Medicine (4 matching dictionaries)

20. faintness: Merriam-Webster Medical Dictionary
21. Faintness: Merck Manuals
22. online medical dictionary (No longer online)
23. faintness: Medical dictionary

Miscellaneous (1 matching dictionary)

24. faintness: Idioms

(Note: See faint as well.)

Definitions from Wiktionary (faintness) ▸ noun:  The property of being or feeling faint. Similar: dimness, faintingness, faint-heartedness, feebleness, lightheadedness, feltness, fadedness, sleepiness, blurredness, fizziness, more... Opposite: strength, vigor, robustness, firmness, steadiness Types: giddiness, lightheadedness, vertigo, syncope, more... Adjectives: sudden, deadly, extreme, great, momentary, apparent, slight, little, deathly, strange, threatening ▸ Words similar to faintness ▸ Usage examples for faintness ▸ Idioms related to faintness ▸ Wikipedia articles (New!) ▸ Popular adjectives describing faintness ▸ Words that often appear near faintness ▸ Rhymes of faintness ▸ Invented words related to faintness