We found 20 dictionaries that define the word variableness:

General (15 matching dictionaries)

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

Business (2 matching dictionaries)

16. variableness: Legal dictionary
17. variableness: Financial dictionary

Computing (1 matching dictionary)

18. variableness: Encyclopedia

Medicine (2 matching dictionaries)

19. variableness: Merriam-Webster Medical Dictionary
20. variableness: Medical dictionary

(Note: See variable as well.)

Definitions from Wiktionary (variableness) ▸ noun:  The quality or state of being variable. Similar: variance, changeableness, hypervariability, variedness, variousness, covariability, mutability, intervariability, variety, invariableness, more... Opposite: invariance, invariability, constancy ▸ Words similar to variableness ▸ Usage examples for variableness ▸ Idioms related to variableness ▸ Wikipedia articles (New!) ▸ Popular adjectives describing variableness ▸ Words that often appear near variableness ▸ Rhymes of variableness ▸ Invented words related to variableness