Definition of "cankerous" [can•ker•ous]

• Marked by or infected with canker; ulcerous. (adjective)
• Causing canker; ulcerating. (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.

• "I suspect the cause of much of all this (if you exclude the cankerous meddlings of that fetid pile of manure called politicians) seems to be the constant drive for change – pushed on by the mistaken belief that to get promoted you have to change things."
• "Further reflecting the Order's teachings, only the sinful were shown naked, so that all could see their detestable cankerous bodies."
• "In health care, lockstep Republican opposition caused months of delay, and empowered the likes of Connecticut\'s embittered Senator Joe Lieberman and Nebraska\'s compromised Ben Nelson to exact cankerous concessions to forge a super-majority."