We found 25 dictionaries that define the word assiduity:

General (22 matching dictionaries)

1. assiduity: Merriam-Webster
2. assiduity: Oxford Learner's Dictionaries
3. assiduity: American Heritage Dictionary of the English Language
4. assiduity: Collins English Dictionary
5. assiduity: Vocabulary.com
6. Assiduity, assiduity: Wordnik
7. assiduity: Wiktionary
8. assiduity: Webster's New World College Dictionary, 4th Ed.
9. assiduity: Infoplease Dictionary
10. Assiduity, assiduity: Dictionary.com
11. Assiduity: Online Plain Text English Dictionary
12. assiduity: Webster's Revised Unabridged, 1913 Edition
13. assiduity: Rhymezone
14. Assiduity: AllWords.com Multi-Lingual Dictionary
15. assiduity: Webster's 1828 Dictionary
16. assiduity: FreeDictionary.org
17. assiduity: The Phrontistery - A Dictionary of Obscure Words
18. assiduity: Mnemonic Dictionary
19. assiduity: TheFreeDictionary.com
20. assiduity: Merriam-Webster

Business (1 matching dictionary)

21. assiduity: Legal dictionary

Computing (1 matching dictionary)

22. assiduity: Encyclopedia

Miscellaneous (1 matching dictionary)

23. assiduity: Wordcraft Dictionary

(Note: See assiduities as well.)

Definitions from Wiktionary (assiduity) ▸ noun:  Great and persistent toil or effort. ▸ noun:  (in the plural) Constant personal attention, solicitous care. Similar: assiduousness, concentration, painstaking, travail, persevering, long-suffering, strenuity, striving, pain, hard work, more... Opposite: negligence, laziness, idleness, inactivity Types: diligence, industriousness, perseverance, more... Adjectives: great, much, such, unwearied, utmost, unremitting, equal, untiring, indefatigable, persevering, affectionate Colors:     teal,     forest green,     burgundy,     maroon,     charcoal, more... ▸ Words similar to assiduity ▸ Usage examples for assiduity ▸ Idioms related to assiduity ▸ Wikipedia articles (New!) ▸ Popular adjectives describing assiduity ▸ Words that often appear near assiduity ▸ Rhymes of assiduity ▸ Invented words related to assiduity