smudge definition
Princeton's WordNet(4.00 / 1 vote)Rate this definition: 1  smudge(noun) a smoky fire to drive away insects. 2  smudge, spot, blot, daub, smear, smirch, slur(verb) a blemish made by dirt. he had a smudge on his cheek. 3  smear, blur, smudge, smutch(verb) make a smudge on; soil by smudging.