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adj. scab·bi·er, scab·bi·est
1. Having, consisting of, or covered with scabs.
2. Affected with scab or scabies.
3. Informal Contemptible; vile: scabby greed.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.