Definition of "thoroughgoing" [thor•ough•go•ing]

• Very thorough; complete: thoroughgoing research. (adjective)
• Unmitigated; unqualified: a thoroughgoing villain. (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.

• "Royce, influenced though he was by German Idealism as a whole, can hardly be called a thoroughgoing"
• "-- we are to submit to the outward forms of respect, but we are frankly to say we are Republicans; he has the impudence to swear that England is a Republican country, and calls our thoroughgoing loyalty"
• "-- we are to submit to the outward forms of respect, but we are frankly to say we are Republicans; he has the impudence to swear that England is a Republican country, and calls our thoroughgoing loyalty -- yours and mine, colonel -- disloyalty."