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We found 44 dictionaries with English definitions that include the word altruism:
Click on the first link on a line below to go directly to a page where "altruism" is defined.

General (30 matching dictionaries)

1. altruism: Merriam-Webster.com [home, info]
2. altruism: Oxford Dictionaries [home, info]
3. altruism: American Heritage Dictionary of the English Language [home, info]
4. altruism: Collins English Dictionary [home, info]
5. altruism: Vocabulary.com [home, info]
6. altruism: Macmillan Dictionary [home, info]
7. Altruism, altruism: Wordnik [home, info]
8. altruism: Cambridge Advanced Learner's Dictionary [home, info]
9. altruism: Wiktionary [home, info]
10. altruism: Webster's New World College Dictionary, 4th Ed. [home, info]
11. altruism: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. altruism: Infoplease Dictionary [home, info]
13. altruism: Dictionary.com [home, info]
14. altruism: Online Etymology Dictionary [home, info]
15. altruism: UltraLingua English Dictionary [home, info]
16. altruism: Cambridge Dictionary of American English [home, info]
17. Altruism (biology), Altruism (ethical doctrine), Altruism (ethics), Altruism (philosophy), Altruism: Wikipedia, the Free Encyclopedia [home, info]
18. Altruism: Online Plain Text English Dictionary [home, info]
19. altruism: Webster's Revised Unabridged, 1913 Edition [home, info]
20. altruism: Rhymezone [home, info]
21. altruism: AllWords.com Multi-Lingual Dictionary [home, info]
22. altruism: Hutchinson's Dictionary of Difficult Words [home, info]
23. altruism: Free Dictionary [home, info]
24. altruism: Hutchinson Dictionaries [home, info]
25. altruism: Mnemonic Dictionary [home, info]
26. altruism: WordNet 1.7 Vocabulary Helper [home, info]
27. altruism: LookWAYup Translating Dictionary/Thesaurus [home, info]
28. altruism: Dictionary/thesaurus [home, info]

Art (2 matching dictionaries)

29. altruism: Dictionary of Philosophical Terms and Names [home, info]
30. altruism: The Ism Book [home, info]

Business (1 matching dictionary)

31. altruism: Legal dictionary [home, info]

Computing (1 matching dictionary)

32. altruism: Encyclopedia [home, info]

Medicine (4 matching dictionaries)

33. Altruism: Medical Dictionary [home, info]
34. altruism: online medical dictionary [home, info]
35. Altruism: Hypermedia Glossary Of Genetic Terms [home, info]
36. altruism: Medical dictionary [home, info]

Miscellaneous (2 matching dictionaries)

37. altruism: Political [home, info]
38. altruism: Glosario de términos filosóficos (en inglés) [home, info]

Religion (2 matching dictionaries)

39. Altruism: Catholic Encyclopedia [home, info]
40. ALTRUISM: Irivng Hexham's Concise Dictionary of Religion [home, info]

Science (1 matching dictionary)

41. altruism: FOLDOP - Free On Line Dictionary Of Philosophy [home, info]

Slang (1 matching dictionary)

42. altruism: Urban Dictionary [home, info]

(Note: See altruisms for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (altruism) ▸ noun:  the quality of unselfish concern for the welfare of others ▸ Also see altruisms ▸ Word origin ▸ Words similar to altruism ▸ Usage examples for altruism ▸ Popular adjectives describing altruism ▸ Words that often appear near altruism ▸ Rhymes of altruism ▸ Invented words related to altruism