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Satanism

[seyt-n-iz-uh m] /ˈseɪt nˌɪz əm/
noun
1.
the worship of Satan or the powers of evil.
2.
a travesty of Christian rites in which Satan is worshiped.
3.
diabolical or satanic disposition, behavior, or activity.
Origin
1555-1565
1555-65; Satan + -ism
Related forms
Satanist, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for Satanism

Satanism

/ˈseɪtəˌnɪzəm/
noun
1.
the worship of Satan
2.
a form of such worship which includes blasphemous or obscene parodies of Christian prayers, etc
3.
a satanic disposition or satanic practices
Derived Forms
Satanist, noun, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for Satanism
n.

1560s, "satanic disposition," from Satan + -ism. Applied 1820s-30s to the poetry of Byron, etc. Meaning "worship of Satan" dates from 1895, with reference to France, where it was said to be active at that time.

Online Etymology Dictionary, © 2010 Douglas Harper
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