We found 23 dictionaries that define the word idiosyncratic:

General (17 matching dictionaries)

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

Business (1 matching dictionary)

16. idiosyncratic: Legal dictionary

Computing (1 matching dictionary)

17. idiosyncratic: Encyclopedia

Medicine (3 matching dictionaries)

18. idiosyncratic: Merriam-Webster Medical Dictionary
19. online medical dictionary (No longer online)
20. idiosyncratic: Medical dictionary

Slang (1 matching dictionary)

21. idiosyncratic: Urban Dictionary

(Note: See idiosyncrasy as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Peculiar to a specific individual; eccentric. Similar: individual, idiosyncratical, idyosincratic, idiocratic, idiocentric, peculiar, idiocratical, particular, idiolectic, idiographic, more... Opposite: typical, common, normal, regular Types: quirky, eccentric, bizarre, odd, strange, peculiar, weird, more... Phrases: idiosyncratic reaction, idiosyncratic risk, Idiosyncratic drug reaction, opposite of idiosyncratic, more... Colors:     chartreuse,     periwinkle,     vermilion,     cerulean,     fuchsia, more... ▸ Words similar to idiosyncratic ▸ Usage examples for idiosyncratic ▸ Idioms related to idiosyncratic ▸ Wikipedia articles (New!) ▸ Popular nouns described by idiosyncratic ▸ Words that often appear near idiosyncratic ▸ Rhymes of idiosyncratic ▸ Invented words related to idiosyncratic