We found 22 dictionaries that define the word passiveness:

General (16 matching dictionaries)

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

Business (3 matching dictionaries)

17. passiveness: Merriam-Webster Legal Dictionary
18. passiveness: Legal dictionary
19. passiveness: Financial dictionary

Computing (1 matching dictionary)

20. passiveness: Encyclopedia

Medicine (2 matching dictionaries)

21. passiveness: Merriam-Webster Medical Dictionary
22. passiveness: Medical dictionary

(Note: See passive as well.)

Definitions from Wiktionary (passiveness) ▸ noun:  The state or condition of being passive; passivity. Similar: passivism, inactivity, patiency, inactiveness, interpassivity, mediopassivity, passion, nonpermissiveness, unaggressiveness, dispassionateness, more... Opposite: activity, assertiveness, proactivity, aggressiveness, dynamism Types: apathy, lethargy, sloth, torpor, more... Adjectives: wise, mere, complete, absolute, very, utter, extreme, certain, sweet, perfect, apparent ▸ Words similar to passiveness ▸ Usage examples for passiveness ▸ Idioms related to passiveness ▸ Wikipedia articles (New!) ▸ Popular adjectives describing passiveness ▸ Words that often appear near passiveness ▸ Rhymes of passiveness ▸ Invented words related to passiveness