Emily Dickinson Lexicon

SLUR, v.t. [D. slordig, sluttish.]

1. To soil; to sully; to contaminate; to disgrace.
2. To pass lightly; to conceal. With periods, points and tropes he slurs his crimes. – Dryden.
3. To cheat; to trick. [Unusual.] – Prior.
4. In music, to sing or perform in a smooth gliding style. – Busby.