Synonyms of 'blur'
1 hazeDictionary, confusion, fogHer face is a blur.
1 become indistinct, soften, become vagueIf you move your eyes and your head, the picture will blur.
2 obscureDictionary, make indistinct, maskScientists are trying to blur the distinction between these questions.
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to surround with fog
A blot is a drop of liquid that has fallen on to a surface and has dried.
an ink blot
Thesaurus for blur from the Collins English Thesaurus
A blur is a shape or area which you cannot see clearly because it has no distinct outline or because it is moving very fast .