verb

make or become unclear or less distinct.

tears blurred her vision

make indistinct,make vague,unfocus,soften,obscure,dim,fade,make hazy,fog,cloud (over),bedim,befog,becloud,blear,make unclear,make less distinct,muddy,muddle,mix up,confuse,obfuscate,cloud,garble,lessen,weaken,muddy the waters,become dim,become less sharp,dull,numb,deaden,decrease,diminish,reduce,mute,tone down,indistinct,blurry,fuzzy,hazy,misty,foggy,shadowy,smoky,faint,unclear,vague,indefinite,unfocused,lacking definition,ill-defined,out of focus,nebulous,woolly,muzzy,bleary