slur

verb
  1. to speak unclearly or indistinctly
  2. to make damaging or insulting remarks about someone
  3. to perform music in a smooth, connected manner
  4. Usage: music
noun
  1. an insulting or disparaging remark
  2. Usage: often offensive
  3. unclear or indistinct speech
  4. a curved line connecting notes to be sung or played smoothly
  5. Usage: music

Examples