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We found 37 dictionaries with English definitions that include the word antonym:
Click on the first link on a line below to go directly to a page where "antonym" is defined.

General (31 matching dictionaries)

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

Art (2 matching dictionaries)

30. antonym: ODLIS: Online Dictionary of Library and Information Science [home, info]
31. ANTONYM: Bobs Byway OF POETIC TERMS [home, info]

Business (1 matching dictionary)

32. antonym: Legal dictionary [home, info]

Computing (1 matching dictionary)

33. antonym: Encyclopedia [home, info]

Religion (1 matching dictionary)

34. antonym: Postmodern Bible Dictionary [home, info]

Slang (1 matching dictionary)

35. antonym: Urban Dictionary [home, info]

(Note: See antonymy for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (antonym) ▸ noun:  two words that express opposing concepts ▸ Also see antonymy ▸ Word origin ▸ Words similar to antonym ▸ Usage examples for antonym ▸ Popular adjectives describing antonym ▸ Words that often appear near antonym ▸ Rhymes of antonym ▸ Invented words related to antonym