adjective
Affected with scabs; full of scabs.
Diseased with the scab (mange): mangy.
(printing) Having a blotched, uneven appearance.
Injured by the attachment of barnacles to the carapace of a shell.
Working against union policies, working to bust unions; in particular, being a scab (worker who crosses a union picket line).
(Ireland, UK, slang) stingy; scrounging.