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We found 38 dictionaries with English definitions that include the word sinister:
Click on the first link on a line below to go directly to a page where "sinister" is defined.

General (33 matching dictionaries)

1. sinister: Merriam-Webster.com [home, info]
2. sinister: Oxford Dictionaries [home, info]
3. sinister: American Heritage Dictionary of the English Language [home, info]
4. Sinister: Online Plain Text English Dictionary [home, info]
5. sinister: Webster's Revised Unabridged, 1913 Edition [home, info]
6. sinister: Rhymezone [home, info]
7. sinister, sinister: AllWords.com Multi-Lingual Dictionary [home, info]
8. sinister: Webster's 1828 Dictionary [home, info]
9. sinister: Free Dictionary [home, info]
10. sinister: The Phrontistery - A Dictionary of Obscure Words [home, info]
11. sinister: Mnemonic Dictionary [home, info]
12. sinister: WordNet 1.7 Vocabulary Helper [home, info]
13. sinister: LookWAYup Translating Dictionary/Thesaurus [home, info]
14. sinister: Dictionary/thesaurus [home, info]
15. sinister: Wikimedia Commons US English Pronunciations [home, info]
16. Sinister: Dictionary of Phrase and Fable (1898) [home, info]
17. sinister: Collins English Dictionary [home, info]
18. sinister: Vocabulary.com [home, info]
19. sinister: Macmillan Dictionary [home, info]
20. Sinister, sinister: Wordnik [home, info]
21. sinister: Cambridge Advanced Learner's Dictionary [home, info]
22. sinister: Wiktionary [home, info]
23. sinister: Webster's New World College Dictionary, 4th Ed. [home, info]
24. sinister: V2 Vocabulary Building Dictionary [home, info]
25. sinister: The Wordsmyth English Dictionary-Thesaurus [home, info]
26. sinister: Infoplease Dictionary [home, info]
27. sinister: Dictionary.com [home, info]
28. sinister: Online Etymology Dictionary [home, info]
29. sinister: UltraLingua English Dictionary [home, info]
30. sinister: Cambridge Dictionary of American English [home, info]
31. Sinister (band), Sinister (film), Sinister: Wikipedia, the Free Encyclopedia [home, info]

Art (1 matching dictionary)

32. Sinister: An Illustrated Dictionary of Jewelry [home, info]

Business (1 matching dictionary)

33. sinister: Legal dictionary [home, info]

Computing (1 matching dictionary)

34. sinister: Encyclopedia [home, info]

Medicine (1 matching dictionary)

35. sinister: Medical dictionary [home, info]

Slang (1 matching dictionary)

36. sinister: Urban Dictionary [home, info]

(Note: See sinisterness for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (sinister) ▸ adjective:  on or starting from the wearer's left ("Bar sinister") ▸ adjective:  stemming from evil characteristics or forces; wicked or dishonorable ("The scheme of some sinister intelligence bent on punishing him-Thomas Hardy") ▸ adjective:  threatening or foreshadowing evil or tragic developments ("Sinister storm clouds") ▸ Also see sinisterness ▸ Word origin ▸ Words similar to sinister ▸ Usage examples for sinister ▸ Popular nouns described by sinister ▸ Words that often appear near sinister ▸ Rhymes of sinister ▸ Invented words related to sinister