smudge

1 of 2

verb

ˈsməj 

smudged; smudging

transitive verb

1

a

: to make a smudge on

b

: to soil as if by smudging

2

a

: to rub, daub, or wipe in a smeary manner

b

: to make indistinct : blur

smudged the writing

3

: to smoke or protect by means of a smudge

intransitive verb

1

: to make a smudge

2

: to become smudged

smudge

2 of 2

noun

1

a

: a blurry spot or streak

b

: an immaterial stain

… cleanse him of every last smudge of impropriety …

—Richard Hanser

c

: an indistinct mass : blur

2

: a smoldering mass placed on the windward side (as to protect from frost)

3

: a bid of four in pitch that if made wins the game

smudgily

ˈsmə-jə-lē 

adverb

smudginess

ˈsmə-jē-nəs 

noun

smudgy

ˈsmə-jē 

adjective

Synonyms of smudge

Verb

• stain
• dirty
• blacken

Noun

• stain
• taint
• blot

Examples of smudge in a Sentence

Verb

Don't smudge the picture with your dirty hands!

His face was smudged with grease.

Noun

His hand left a grimy smudge on the wall.

the president's spouse must not have the slightest smudge of scandal

Recent Examples on the Web

Verb

Fine lines show signs of smudging around the edges and start to blur together at ISO 3200, and pretty much disappear at ISO 6400. — Jim Fisher, PC Magazine, 9 July 2026

Loose waves and smudged eye makeup, sharpened with pink at the inner corners, kept the effect closer to one of her stage looks. — Maggie Clancy, Footwear News, 3 July 2026

Noun

And even outside the direct beam, the scattering of its photons through the atmosphere would create a still-bright smudge of light pollution in the surrounding night sky. — Mary Randolph, Scientific American, 16 July 2026

Interestingly, this motion blur transforms the drone into a faint, semi-transparent smudge that blends into its surroundings rather than achieving total invisibility. — Mrigakshi Dixit, Interesting Engineering, 16 July 2026

Word History

Etymology

Verb

Middle English smogen

First Known Use

Verb

15th century, in the meaning defined at transitive sense 1a

Noun

circa 1774, in the meaning defined at sense 1a

Rhymes for smudge

• budge
• drudge
• frage
• fudge
• grudge
• judge
• mudge
• nudge
• rudge
• sludge
• trudge
• adjudge

Kids Definition

smudge

1 of 2 verb

ˈsməj 

smudged; smudging

1

a

: to make a smudge on

b

: to soil as if by smudging

2

: to make a smudge

a chalk that does not smudge

3

: to become smudged

charcoal drawings smudge easily

smudge

2 of 2 noun

1

a

: a blurry spot or streak : smear

b

: stain entry 2 sense 2

2

: a fire made to smoke (as for protecting fruit from frost)

smudgy

ˈsməj-ē 

adjective