n. (music) a curved line spanning notes that are to be played legato

v. become vague or indistinct; "The distinction between the two theories blurred"

v. utter indistinctly

v. speak disparagingly of; e.g., make a racial slur; "your comments are slurring your co-workers"

v. play smoothly or legato; "the pianist slurred the most beautiful passage in the sonata"