We found 27 dictionaries that define the word diligent:

General (24 matching dictionaries)

1. diligent: Merriam-Webster
2. diligent: Oxford Learner's Dictionaries
3. diligent: American Heritage Dictionary of the English Language
4. diligent: Collins English Dictionary
5. diligent: Vocabulary.com
6. Diligent, diligent: Wordnik
7. diligent: Cambridge Advanced Learner's Dictionary
8. diligent: Wiktionary
9. diligent: Webster's New World College Dictionary, 4th Ed.
10. diligent: The Wordsmyth English Dictionary-Thesaurus
11. Diligent, diligent: Dictionary.com
12. diligent: Cambridge Essential American English Dictionary
13. Diligent: Online Plain Text English Dictionary
14. diligent: Webster's Revised Unabridged, 1913 Edition
15. diligent: Rhymezone
16. diligent: AllWords.com Multi-Lingual Dictionary
17. diligent: Webster's 1828 Dictionary
18. diligent: FreeDictionary.org
19. diligent: Mnemonic Dictionary
20. diligent: TheFreeDictionary.com
21. diligent: Infoplease Dictionary
22. diligent: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

23. diligent: Legal dictionary

Slang (1 matching dictionary)

24. diligent: Urban Dictionary

Tech (1 matching dictionary)

25. DILIGENT: GEOGRAPHIC INFORMATION SYSTEMS, CARTOGRAPHY, AND REMOTE SENSING

(Note: See diligently as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Performing with industrious concentration; hard-working and focused. Similar: sedulous, assiduous, hardworking, industrious, persevering, tireless, untiring, patient, laborious, earnest, more... Opposite: lazy, slothful, indolent Types: hardworking, dedicated, committed, persistent, industrious, conscientious, assiduous, tireless, thorough, more... Phrases: Diligent Corporation, dedicated and diligent, opposite of diligent, diligent student, diligent learner, more... Adjectives: more, extra, own, wondrous, same, mighty, least, wonderful, seest, brig, skilful Colors:     teal,     olive,     maroon,     charcoal,     forest green, more... ▸ Words similar to diligent ▸ Usage examples for diligent ▸ Idioms related to diligent ▸ Wikipedia articles (New!) ▸ Popular nouns described by diligent ▸ Words that often appear near diligent ▸ Rhymes of diligent ▸ Invented words related to diligent