slur

1 :  to cast aspersions on :  disparage slurred his reputation

2 :  to make indistinct :  obscure

:  to slip so as to cause a slur —used of a sheet being printed

1a :  to slide or slip over without due mention, consideration, or emphasis slurred over certain factsb :  to perform hurriedly :  skimp let him not slur his lesson — R. W. Emerson

2 :  to perform (successive tones of different pitch) in a smooth or connected manner

3a :  to reduce, make a substitution for, or omit (sounds that would normally occur in an utterance)b :  to utter with such reduction, substitution, or omission of sounds his speech was slurred

1 dialectal, chiefly England :  slip, slide

2 :  drag, shuffle

1a :  a curved line connecting notes to be sung to the same syllable or performed without a breakb :  the combination of two or more slurred tones

2 :  a slurring manner of speech

:  an insulting remark

:  to speak in a way that is difficult to understand

:  a way of talking that is difficult to understand