We found 40 dictionaries that define the word oligarchy:

General (26 matching dictionaries)

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

Art (2 matching dictionaries)

25. oligarchy: Dictionary of Philosophical Terms and Names
26. oligarchy: Global Glossary

Business (5 matching dictionaries)

27. Duhaime's Canadian law dictionary (No longer online)
28. THE 'LECTRIC LAW LIBRARY'S REFERENCE ROOM (No longer online)
29. Bouvier's Law Dictionary 1856 Edition (No longer online)
30. Nelson Political Science Glossary (No longer online)
31. Oligarchy: Legal dictionary

Computing (1 matching dictionary)

32. oligarchy: Encyclopedia

Miscellaneous (3 matching dictionaries)

33. Sociology (No longer online)
34. Political (No longer online)
35. oligarchy: Wordcraft Dictionary

Science (2 matching dictionaries)

36. oligarchy: Anthropological Terms
37. FOLDOP - Free On Line Dictionary Of Philosophy (No longer online)

Slang (1 matching dictionary)

38. oligarchy: Urban Dictionary

(Note: See oligarchies as well.)

Definitions from Wiktionary ( ) ▸ noun:  A government run by and for only a few, often the aristocracy, the wealthy, or their friends and associates. ▸ noun:  A state ruled by such a government. ▸ noun:  Those who make up an oligarchic government. Similar: oligarch, dictatorship, plantocracy, cryptarchy, autocracy, stratocracy, khakistocracy, monarchy, chiliarchy, hierocrat, more... Opposite: democracy, republic Types: aristocracy, plutocracy, technocracy, meritocracy, dictatorship, monarchy, authoritarianism, oligopoly, more... Phrases: Iron law of oligarchy, Meiji oligarchy, more... Adjectives: financial, old, small, military, narrow, whig, traditional, political, economic, local, aristocratic Colors:     gold,     silver,     black,     burgundy,     emerald, more... ▸ Word origin ▸ Words similar to oligarchy ▸ Usage examples for oligarchy ▸ Idioms related to oligarchy ▸ Wikipedia articles (New!) ▸ Popular adjectives describing oligarchy ▸ Words that often appear near oligarchy ▸ Rhymes of oligarchy ▸ Invented words related to oligarchy