Part of speech:
A person who betrays his or her country, cause, friends, etc.; one guilty of treason or treachery
(Geol.) The solid, rocky outer portion or shell of the earth; lithosphere
(Biology) A coating of hardened exudate or other material on a body or body part; a scale or scab.
Any of numerous long-tailed rodents of various families (esp. Muridae and Cricetidae) resembling, but larger than, the mouse: rats are very destructive pests and carriers of highly contagious diseases, as bubonic plague and typhus
take the place of work of someone on strike
One who has abandoned one's religious faith, a political party, one's principles, or a cause.
A person who goes over to the opposite side or party; traitor
Any of several contagious skin diseases of mammals caused by parasitic mites and characterized by skin lesions, itching, and loss of hair.
The definition of a scoundrel is a villain or a dishonest, wicked or mischievous person.
To inform (on)
Find another word for scab. In this page you can discover 18 synonyms, antonyms, idiomatic expressions, and related words for scab, like: traitor, crust, deserter, incrustation, rat, blackleg, pustule, scurf, dandruff, eschar and strikebreaker.