A smear, smudge or blot
Something that appears hazy or indistinct
A moral stain or blot.
To make indistinct or hazy, to obscure or dim.
To smear, stain or smudge.
To become indistinct.
To cause imperfection of vision in; to dim; to darken.
To sully; to stain; to blemish, as reputation.
To transfer the input focus away from.
In a state of doubt or confusion.