We found 24 dictionaries that define the word thinness:

General (19 matching dictionaries)

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

Business (1 matching dictionary)

18. thinness: Legal dictionary

Computing (1 matching dictionary)

19. Thinness: Encyclopedia

Medicine (2 matching dictionaries)

20. Medical Dictionary (No longer online)
21. thinness: Medical dictionary

Miscellaneous (1 matching dictionary)

22. thinness: Idioms

(Note: See thin as well.)

Definitions from Wiktionary (thinness) ▸ noun:  The state or quality of being thin. Similar: leanness, tenuity, slenderness, fineness, thinliness, thin-skinnedness, skinniness, tinyness, slimness, lankness, more... Opposite: thickness, fatness, heaviness, density Types: gaunt, scrawny, emaciated, skinny, skeletal, slender, willowy, more... Phrases: epitome of thinness, attractive thinness, more... Adjectives: extreme, relative, excessive, certain, comparative, required, like, very, abnormal, greater, unusual ▸ Words similar to thinness ▸ Usage examples for thinness ▸ Idioms related to thinness ▸ Wikipedia articles (New!) ▸ Popular adjectives describing thinness ▸ Words that often appear near thinness ▸ Rhymes of thinness ▸ Invented words related to thinness