n.
Pronunciation: ' sl ə r
Function: noun
Etymology: obsolete English dialect slur thin mud, from Middle English sloor; akin to Middle High German slier mud
Date: 1609
1 a : an insulting or disparaging remark or innuendo : ASPERSION b : a shaming or degrading effect : STAIN , STIGMA
2 : a blurred spot in printed matter : SMUDGE