"slur" in the noun sense
music) a curved line spanning notes that are to be played legato
2. aspersion, slur
a disparaging remark
"in the 19th century any reference to female sexuality was considered a vile aspersion"
"it is difficult for a woman to understand a man's sensitivity to any slur on his virility"
3. smudge, spot, blot, daub, smear, smirch, slur
a blemish made by dirt
"he had a smudge on his cheek"
"slur" in the verb sense
play smoothly or legato
"the pianist slurred the most beautiful passage in the sonata"
speak disparagingly of e.g., make a racial slur
"your comments are slurring your co-workers"
4. blur, dim, slur
become vague or indistinct
"The distinction between the two theories blurred"
Source: WordNet® (An amazing lexical database of English)
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