slurring

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.

A slur mark in music.