Answer: slurring

AnswerCrossword Clue
SLURRINGSlighting.
slurringMark (notes) with a slur
slurring(of words or speech) Be spoken in this way
slurringSpeak (words or speech) indistinctly so that the sounds run into one another
slurringPerform (a group of two or more notes) legato
slurringPass over (a fact or aspect) so as to conceal or minimize it
slurringSLUR, to disparage
slurringMake damaging or insulting insinuations or allegations about