We found 23 dictionaries that define the word paroxysmal:

General (16 matching dictionaries)

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

Computing (1 matching dictionary)

17. paroxysmal: Encyclopedia

Medicine (5 matching dictionaries)

18. paroxysmal: Merriam-Webster Medical Dictionary
19. online medical dictionary (No longer online)
20. Hepatitis C Information Central (No longer online)
21. paroxysmal: Medical dictionary
22. WeMove Glossary of Terms (No longer online)

Tech (1 matching dictionary)

23. Washington State Definitions and Abbreviations of Vetrinary Terms (No longer online)

(Note: See paroxysm as well.)

Definitions from Wiktionary (paroxysmal) ▸ adjective:  Of, pertaining to, causing or accompanied by paroxysms. Similar: paroxysmic, parapoxviral, parapraxial, peroxismal, parathetic, exophoric, peroxisomal, parabosonic, parosmic, apophanous, more... Opposite: steady, constant, continuous, stable Phrases: Paroxysmal tachycardia, paroxysmal hemicrania, Paroxysmal hypertension, paroxysmal dyspnea, paroxysmal hemoglobinuria, more... Adjectives: first, benign, most, pain, less, acute, violent, recurrent, refractory, familial, highest Colors:     crimson,     scarlet,     vermilion,     ruby,     carmine, more... ▸ Words similar to paroxysmal ▸ Usage examples for paroxysmal ▸ Idioms related to paroxysmal ▸ Wikipedia articles (New!) ▸ Popular nouns described by paroxysmal ▸ Words that often appear near paroxysmal ▸ Rhymes of paroxysmal ▸ Invented words related to paroxysmal