We found 32 dictionaries that define the word irritable:

General (25 matching dictionaries)

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

Business (1 matching dictionary)

24. irritable: Legal dictionary

Computing (1 matching dictionary)

25. irritable: Encyclopedia

Medicine (4 matching dictionaries)

26. irritable: Merriam-Webster Medical Dictionary
27. Dorland's Illustrated Medical Dictionary (No longer online)
28. online medical dictionary (No longer online)
29. irritable: Medical dictionary

Science (1 matching dictionary)

30. Irritable: The Orchid Lady's Illustrated Orchid Encyclopedia

(Note: See irritableness as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Capable of being irritated. ▸ adjective:  Easily exasperated or excited. ▸ adjective:  (medicine) Responsive to stimuli. Similar: nettlesome, ill-natured, petulant, tetchy, pettish, testy, fractious, peevish, cranky, peckish, more... Opposite: amiable, pleasant, good-natured, congenial Types: grouchy, cranky, testy, tetchy, touchy, snappish, more... Phrases: irritable bowel, irritable colon, irritable mood, irritable bladder, irritable heart, more... Colors:     red,     orange,     yellow,     maroon,     crimson, more... ▸ Words similar to irritable ▸ Usage examples for irritable ▸ Idioms related to irritable ▸ Wikipedia articles (New!) ▸ Popular nouns described by irritable ▸ Words that often appear near irritable ▸ Rhymes of irritable ▸ Invented words related to irritable