Definition of "incestuous" []

• Of, involving, or suggestive of incest. (adjective)
• Having committed incest. (adjective)
• Improperly intimate or interconnected: "Press-politics relations are notoriously incestuous” ( Boston Globe). (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.

• "Fred Siegel, a historian at the conservative-leaning Manhattan Institute, has written of the "New Tammany Hall," which he describes as the incestuous alliance between public officials and labor."
• "Mackenzie Phillips broke the silence about her long-term incestuous relationship with her father in her book, High on Arrival; Katherine Harrison did it in hers, The Kiss."
• "Mackenzie Phillips broke the silence about her long-term incestuous relationship with her father in her boo ..."