We found 28 dictionaries that define the word downpour:

General (25 matching dictionaries)

1. downpour: Merriam-Webster
2. downpour: Oxford Learner's Dictionaries
3. downpour: American Heritage Dictionary of the English Language
4. downpour: Collins English Dictionary
5. downpour: Vocabulary.com
6. Downpour, downpour: Wordnik
7. downpour: Cambridge Advanced Learner's Dictionary
8. downpour: Wiktionary
9. downpour: Webster's New World College Dictionary, 4th Ed.
10. downpour: The Wordsmyth English Dictionary-Thesaurus
11. downpour: Infoplease Dictionary
12. Downpour, downpour: Dictionary.com
13. downpour: Cambridge Essential American English Dictionary
14. Downpour (I.O.I song), Downpour (album), Downpour (film), Downpour (song), Downpour: Wikipedia, the Free Encyclopedia
15. Downpour: Online Plain Text English Dictionary
16. downpour: Webster's Revised Unabridged, 1913 Edition
17. downpour: Rhymezone
18. downpour: AllWords.com Multi-Lingual Dictionary
19. Downpour: Dictionary of Phrase and Fable (1898)
20. downpour: FreeDictionary.org
21. downpour: Mnemonic Dictionary
22. downpour: TheFreeDictionary.com
23. downpour: Longman Dictionary of Contemporary English

Computing (1 matching dictionary)

24. downpour: Encyclopedia

Science (1 matching dictionary)

25. Weather Glossary (No longer online)

Tech (1 matching dictionary)

26. Lake and Water Word Glossary (No longer online)

(Note: See downpours as well.)

Definitions from Wiktionary ( ) ▸ noun:  A heavy rain. ▸ verb:  (intransitive) To pour down; rain heavily. Similar: cloudburst, deluge, waterspout, torrent, soaker, downcome, onding, pourdown, drink, raindrop, more... Opposite: drought Types: rain, drizzle, shower, deluge, cloudburst, more... Phrases: Northern Downpour, torrential downpour, dangerous downpour, drenching downpour, sudden downpour, more... Adjectives: heavy, steady, torrential, sudden, tropical, continuous, tremendous, violent, terrific, incessant, cold Colors:     gray,     charcoal,     steel blue,     midnight blue,     indigo, more... ▸ Words similar to downpour ▸ Usage examples for downpour ▸ Idioms related to downpour ▸ Wikipedia articles (New!) ▸ Popular adjectives describing downpour ▸ Words that often appear near downpour ▸ Rhymes of downpour ▸ Invented words related to downpour