We found 40 dictionaries that define the word Altruism:

General (26 matching dictionaries)

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

Art (2 matching dictionaries)

25. altruism: Dictionary of Philosophical Terms and Names
26. The Ism Book (No longer online)

Business (1 matching dictionary)

27. altruism: Legal dictionary

Computing (1 matching dictionary)

28. altruism: Encyclopedia

Medicine (4 matching dictionaries)

29. Medical Dictionary (No longer online)
30. online medical dictionary (No longer online)
31. Hypermedia Glossary Of Genetic Terms (No longer online)
32. altruism: Medical dictionary

Miscellaneous (2 matching dictionaries)

33. Political (No longer online)
34. altruism: Glosario de términos filosóficos (en inglés)

Religion (2 matching dictionaries)

35. Altruism: Catholic Encyclopedia
36. Irivng Hexham's Concise Dictionary of Religion (No longer online)

Science (1 matching dictionary)

37. FOLDOP - Free On Line Dictionary Of Philosophy (No longer online)

Slang (1 matching dictionary)

38. altruism: Urban Dictionary

(Note: See altruisms as well.)

Definitions from Wiktionary (altruism) ▸ noun:  Regard for others, both natural and moral without regard for oneself; devotion to the interests of others; brotherly kindness. ▸ noun:  (biology, sociobiology) Action or behaviour that benefits another or others at some cost to the performer. Similar: selflessness, brotherly love, charity, benevolence, philanthropy, kindliness, love, beneficence, kindness, kindship, more... Opposite: selfishness, self-centeredness, egoism, narcissism Phrases: reciprocal altruism, Effective altruism, Competitive altruism, Effective Altruism Global, Pathological Altruism, more... Adjectives: reciprocal, pure, such, human, true, genuine, social, apparent, parental, universal, intergenerational Colors:     sky blue,     soft pink,     lavender,     mint green,     peach, more... ▸ Word origin ▸ Words similar to Altruism ▸ Usage examples for Altruism ▸ Idioms related to Altruism ▸ Wikipedia articles (New!) ▸ Popular adjectives describing Altruism ▸ Words that often appear near Altruism ▸ Rhymes of Altruism ▸ Invented words related to Altruism