We found 28 dictionaries that define the word onanism:

General (22 matching dictionaries)

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

Computing (1 matching dictionary)

23. onanism: Encyclopedia

Medicine (3 matching dictionaries)

24. onanism: Merriam-Webster Medical Dictionary
25. Dorland's Illustrated Medical Dictionary (No longer online)
26. onanism: Medical dictionary

Miscellaneous (2 matching dictionaries)

27. Glossary of Unusual Sexual Practices (No longer online)
28. onanism: Wordcraft Dictionary

(Note: See onanisms as well.)

Definitions from Wiktionary (onanism) ▸ noun:  Masturbation. ▸ noun:  Ejaculating outside the vagina during intercourse; (the performing of) coitus interruptus. Similar: masturbation, coitus interruptus, self-abuse, pulling out, withdrawal method, theomania, mammetry, autotheism, androlatry, onolatry, more... Opposite: procreation, coitus, sexual intercourse Types: self-abuse, self-pollution, self-gratification, self-indulgence, self-love, more... Adjectives: mutual, conjugal, psychical, excessive, infantile, solitary, psychic, passive, mental, spiritual, early ▸ Word origin ▸ Words similar to onanism ▸ Usage examples for onanism ▸ Idioms related to onanism ▸ Wikipedia articles (New!) ▸ Popular adjectives describing onanism ▸ Words that often appear near onanism ▸ Rhymes of onanism ▸ Invented words related to onanism