v.
 (slurs, slurring, slurred)
    - (with reference to speech) articulate or be articulated indistinctly.
 - pass over (a fact or aspect) so as to conceal or minimize it.
 - Music  perform (a group of two or more notes) legato. 
▸mark (notes) with a slur.
 - chiefly US make insinuations or allegations about.
 
n.
   - an insinuation or allegation.
 - an indistinct utterance.
 - Music  a curved line indicating that notes are to be slurred.
 
 
  Derivative
  
  Etymology
  ME (as n. in sense ‘thin mud’, later as v. meaning ‘smear’ and ‘disparage’); of unknown origin.