We found 19 dictionaries that define the word mental disorder:

General (11 matching dictionaries)

1. mental disorder: Merriam-Webster
2. mental disorder: American Heritage Dictionary of the English Language
3. mental disorder: Collins English Dictionary
4. mental disorder: Vocabulary.com
5. mental disorder: Wiktionary
6. mental disorder: Dictionary.com
7. Mental disorder: Wikipedia, the Free Encyclopedia
8. mental disorder: Rhymezone
9. mental disorder: FreeDictionary.org
10. mental disorder: Mnemonic Dictionary
11. mental disorder: TheFreeDictionary.com

Business (2 matching dictionaries)

12. mental disorder: Merriam-Webster Legal Dictionary
13. mental disorder: Legal dictionary

Computing (1 matching dictionary)

14. mental disorder: Encyclopedia

Medicine (4 matching dictionaries)

15. mental disorder: Merriam-Webster Medical Dictionary
16. Dorland's Illustrated Medical Dictionary (No longer online)
17. online medical dictionary (No longer online)
18. mental disorder: Medical dictionary

Slang (1 matching dictionary)

19. mental disorder: Urban Dictionary

(Note: See mental_disorders as well.)

Definitions from Wiktionary (mental disorder) ▸ noun:  (psychiatry) A behavioral or mental pattern that may cause suffering or a poor ability to function in life. Similar: disturbance, mental disturbance, mental illness, personality disorder, disorder, psychopathology, major depressive disorder, mood disorder, structural disorder, medical condition, more... Opposite: sanity, normalcy, soundness Phrases: organic mental disorder, people suffering mental disorder, severe mental disorder, develop a mental disorder, more... Adjectives: autistic, mentally ill, borderline, delusional, hysteric, disturbed, sociopathic, hysteroid, schizzy, psychotic, schizophreniform ▸ Words similar to mental disorder ▸ Usage examples for mental disorder ▸ Idioms related to mental disorder ▸ Wikipedia articles (New!) ▸ Words that often appear near mental disorder ▸ Rhymes of mental disorder ▸ Invented words related to mental disorder