Relating to or suggestive of Satan or evil.(adjective)
Profoundly cruel or evil; fiendish.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "satanic" in a sentence
"It also singles out Egypt, Saudi Arabia and Jordan for what it calls satanic alliances with the United States and Israeli."
"He said the drawn circle with an "x" through it - which he called a satanic symbol - also was new to him."
"Thinking about publicly divulging your earlier dabblings in satanic rituals?"