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We found 75 dictionaries with English definitions that include the word security:
Click on the first link on a line below to go directly to a page where "security" is defined.

General (31 matching dictionaries)

1. security: Merriam-Webster.com [home, info]
2. security: Oxford Learner's Dictionaries [home, info]
3. security: American Heritage Dictionary of the English Language [home, info]
4. security: Collins English Dictionary [home, info]
5. security: Vocabulary.com [home, info]
6. security: Macmillan Dictionary [home, info]
7. Security, security: Wordnik [home, info]
8. security: Cambridge Advanced Learner's Dictionary [home, info]
9. security: Wiktionary [home, info]
10. security: Webster's New World College Dictionary, 4th Ed. [home, info]
11. security: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. security: Infoplease Dictionary [home, info]
13. security: Dictionary.com [home, info]
14. Security, security: UltraLingua English Dictionary [home, info]
15. security: Cambridge Dictionary of American English [home, info]
16. security: Cambridge International Dictionary of Idioms [home, info]
17. Security (album), Security (computers), Security (computing), Security (disambiguation), Security (film), Security (finance), Security: Wikipedia, the Free Encyclopedia [home, info]
18. Security: Online Plain Text English Dictionary [home, info]
19. security: Webster's Revised Unabridged, 1913 Edition [home, info]
20. security: Rhymezone [home, info]
21. security: AllWords.com Multi-Lingual Dictionary [home, info]
22. security: Webster's 1828 Dictionary [home, info]
23. Security: 1911 edition of the Encyclopedia Britannica [home, info]
24. security: Free Dictionary [home, info]
25. security: Mnemonic Dictionary [home, info]
26. security: WordNet 1.7 Vocabulary Helper [home, info]
27. security: LookWAYup Translating Dictionary/Thesaurus [home, info]
28. security: Dictionary/thesaurus [home, info]
29. security: Wikimedia Commons US English Pronunciations [home, info]

Art (1 matching dictionary)

30. security: ODLIS: Online Dictionary of Library and Information Science [home, info]

Business (28 matching dictionaries)

31. Security: MoneyGlossary.com [home, info]
32. security: Webster's New World Finance & Investment Dictionary [home, info]
33. security: Webster's New World Law Dictionary [home, info]
34. Security: Duhaime's Canadian law dictionary [home, info]
35. security: Travel Industry Dictionary [home, info]
36. security: INVESTORWORDS [home, info]
37. Security: THE 'LECTRIC LAW LIBRARY'S REFERENCE ROOM [home, info]
38. SECURITY: Accounting Glossary [home, info]
39. security: Glossary of Legal Terms [home, info]
40. Security: bizterms.net [home, info]
41. Security: Harvey Financial [home, info]
42. Security: Moneyterms [home, info]
43. security: Finance-Glossary.com [home, info]
44. Security: MonsterMoving Mortgage Glossary [home, info]
45. security: Real Estate and Mortgage Glossary [home, info]
46. SECURITY: Bouvier's Law Dictionary 1856 Edition [home, info]
47. Security: Investopedia [home, info]
48. Security: Broadcast Media Terms [home, info]
49. Security: INSOLVENCY [home, info]
50. Security: Securities Terminology [home, info]
51. Security (finance), The security, security: Legal dictionary [home, info]
52. Security (finance), The security, security: Financial dictionary [home, info]
53. Security: Accounting, Business Studies and Economics Dictionary [home, info]
54. security: BusinessDictionary.com [home, info]
55. Security: WashingtonPost.com: Business [home, info]
56. Security: Yahoo Tax Center Glossary [home, info]
57. security: Bloomberg Financial Glossary [home, info]
58. Security: Bloomberg Financial Glossary [home, info]

Computing (8 matching dictionaries)

59. security: Webster's New World Hacker Dictionary [home, info]
60. security: Free On-line Dictionary of Computing [home, info]
61. security: Netlingo [home, info]
62. security: Computer Telephony & Electronics Dictionary and Glossary [home, info]
63. Security: Linktionary Networking Glossary [home, info]
64. security: Webopedia [home, info]
65. security: I T Glossary [home, info]
66. Security (computers), Security (finance), The security, security: Encyclopedia [home, info]

Miscellaneous (4 matching dictionaries)

67. security: Political [home, info]
68. Security: Brilliant Dream Dictionary [home, info]
69. SECURITY: Glossary of Ethical Terms [home, info]
70. security: Idioms [home, info]

Slang (1 matching dictionary)

71. Security[piss], The Security, security: Urban Dictionary [home, info]

Tech (2 matching dictionaries)

72. security: Webster's New World Telecom Dictionary [home, info]
73. security: DOD Dictionary of Military Terms [home, info]

(Note: See securitys for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (security) ▸ noun:  measures taken as a precaution against theft or espionage or sabotage etc. ("Military security has been stepped up since the recent uprising") ▸ noun:  a guarantee that an obligation will be met ▸ noun:  freedom from anxiety or fear ("The watch dog gave her a feeling of security") ▸ noun:  a department responsible for the security of the institution's property and workers ("The head of security was a former policeman") ▸ noun:  defense against financial failure; financial independence ("His pension gave him security in his old age") ▸ noun:  property that your creditor can claim in case you default on your obligation ("Bankers are reluctant to lend without good security") ▸ noun:  a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends ▸ noun:  the state of being free from danger or injury ("We support the armed services in the name of national security") ▸ noun:  an electrical device that sets off an alarm when someone tries to break in ▸ Also see securitys ▸ Words similar to security ▸ Usage examples for security ▸ Idioms related to security (New!) ▸ Popular adjectives describing security ▸ Words that often appear near security ▸ Rhymes of security ▸ Invented words related to security