We found 22 dictionaries that define the word steepness:

General (18 matching dictionaries)

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

Business (1 matching dictionary)

17. steepness: Legal dictionary

Miscellaneous (1 matching dictionary)

18. steepness: Idioms

Tech (2 matching dictionaries)

19. Glossary of Meteorology (No longer online)
20. National Weather Service Glossary (No longer online)

(Note: See steep as well.)

Definitions from Wiktionary (steepness) ▸ noun:  (uncountable) The state or quality of being steep. ▸ noun:  (countable) The result or product of being steep. Similar: precipitousness, abruptness, stoutness, strenuousness, sternness, arduity, straitness, strictness, severity, stoniness, more... Opposite: flatness, levelness, evenness, plateness Phrases: wave steepness, steepness of a slope, opposite of steepness, more... Adjectives: relative, greater, extreme, maximum, excessive, average, different, moderate, considerable, critical, initial ▸ Words similar to steepness ▸ Usage examples for steepness ▸ Idioms related to steepness ▸ Wikipedia articles (New!) ▸ Popular adjectives describing steepness ▸ Words that often appear near steepness ▸ Rhymes of steepness ▸ Invented words related to steepness