We found 29 dictionaries that define the word vigorous:

General (24 matching dictionaries)

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

Art (1 matching dictionary)

23. Epicurus.com Wine Glossary (No longer online)

Business (1 matching dictionary)

24. vigorous: Legal dictionary

Medicine (1 matching dictionary)

25. online medical dictionary (No longer online)

Slang (1 matching dictionary)

26. vigorous: Urban Dictionary

Tech (1 matching dictionary)

27. Wine Taster's Glossary (No longer online)

(Note: See vigorously as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Physically strong and active. ▸ adjective:  Mentally strong and active. ▸ adjective:  Rapid of growth. Similar: robust, energetic, vigourous, forceful, strenuous, rigorous, vehement, intense, rapid, spirited, more... Opposite: lethargic, weak, inactive, sluggish, feeble Types: aerobic, anaerobic, interval training, circuit training, strength training, stretching, yoga, pilates, more... Phrases: Operation Vigorous, vigorous spirit, vigorous enthusiasm, more vigorous, active or vigorous, more... Colors:     red,     orange,     bright yellow,     lime green,     electric blue,     hot pink,     crimson,     scarlet,     neon green,     turquoise ▸ Words similar to vigorous ▸ Usage examples for vigorous ▸ Idioms related to vigorous ▸ Wikipedia articles (New!) ▸ Popular nouns described by vigorous ▸ Words that often appear near vigorous ▸ Rhymes of vigorous ▸ Invented words related to vigorous