Meaning

• An insult or slight.

  "a racial slur"

• A set of notes that are played legato, without separate articulation.

• The symbol indicating a legato passage, written as an arc over the slurred notes (not to be confused with a tie).

• A trick or deception.

• In knitting machines, a device for depressing the sinkers successively by passing over them.

Meaning

• To insult or slight.

• To run together; to articulate poorly.

  "to slur syllables;  He slurs his speech when he is drunk."

• To play legato or without separate articulation; to connect (notes) smoothly.

• To soil; to sully; to contaminate; to disgrace.

• To cover over; to disguise; to conceal; to pass over lightly or with little notice.

• To cheat, as by sliding a die; to trick.

• To blur or double, as an impression from type; to mackle.