blur UK /ˈblɜː/US /blɝ/verb 7noun 4adjective 1forms 5phrases 1 verb7 •To make indistinct or hazy, to obscure or dim.As we saw in the case of Lukács, it is characteristic of this tradition to blur the distinction between foreseeing the future and creating it. — 1978 •To become indistinct. •To cause imperfection of vision in; to dim; to darken.His eyes are blurred with the lightning's glare. — 1819 •To smear, stain or smudge.to blur a manuscript (by handling it while damp) •To transfer the input focus away from.Then give this box focus to blur the first one: […] — 2003 •To use a sign, image, expression, etc. sufficiently close to a trademarked one that it causes confusion between them. •(no longer used) To sully; to stain; to blemish, as reputation.Sarcasms may eclipse thine own, / But cannot blur my lost renown. — 1662 noun4 •Something that appears hazy or indistinct.The surroundings went by in a blur. •Haziness, blurriness.The second option (right-hand page) features a sharp background and a cyclist who appears as a smudge of blur. — 2014 •A smear, smudge or blot. •(no longer used) A moral stain or blot. adjective1 •(Singlish) Lacking awareness; clueless or confused.If a Singaporean gets frustrated at your stupidity, he can scold you for being blur as sotong (clueless as a squid). — 2002 formsblurred · blurring · blurs · more blur · most blur Phrases with blur blur the lineTo minimize or erode the distinction between two things.