Definition of blot noun from the Oxford Advanced Learner's Dictionary

blot

noun

/blɒt/

/blɑːt/

Idioms

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a spot or dirty mark on something, made by ink (= coloured liquid in a pen), etc.
Synonyms mark
markstain ▪ fingerprint ▪ streak ▪ speck ▪ blot ▪ smear ▪ spotThese are all words for a small area of dirt or another substance on a surface.
mark a small area of dirt, a spot or a cut on a surface that makes it look less good:
The kids left dirty marks all over the kitchen floor.
stain a dirty mark on something that is difficult to remove, especially one made by a liquid:
blood stains
fingerprint a mark on a surface made by the pattern of lines on the end of a person’s finger, often used by the police to identify criminals:
Her fingerprints were all over the gun.
streak a long, thin mark or line that is a different colour from the surface it is on:
She had streaks of grey in her hair.
speck a very small mark, spot or piece of a substance on something:
There isn’t a speck of dust anywhere in the house.
blot a spot or dirty mark left on something by a substance such as ink or paint being dropped on a surfacesmear a mark made by something such as oil or paint being spread or rubbed on a surfacespot a small dirty mark on something:
There were grease spots all over the walls.
Patterns
- a streak/speck/blot/smear/spot of something
- a greasy mark/stain/smear
- an ink mark/stain/blot/spot
- a grease mark/stain/spot
- to leave a mark/stain/fingerprint/streak/speck/blot/smear
- There were ink blots all over the paper.
blot (on something) something that damages the opinion that other people have of you, or your happiness
- Her involvement in the fraud has left a serious blot on her character.
- There was just a tiny blot on his happiness.