American English

Definition of blot noun from the Oxford Advanced American Dictionary



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  1. 1a spot or dirty mark on something, made by ink, etc. Thesaurusmarkstain 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 or other substance on the surface of something, especially one that spoils its appearance: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 stainsfingerprint 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 color from the surface it is on:She had streaks of gray 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 being dropped on a surface:an ink blotsmear a mark made by something such as oil or paint being spread or rubbed on a surface:She had smears of paint on her a small dirty mark on something:He found grease spots all over the walls.Patterns a streak/speck/blot/smear/spot of something a greasy mark/stain/smear a/an ink mark/stain/blot/spot a/an grease mark/stain/spot to leave a mark/stain/fingerprint/streak/speck/blot/smear
  2. 2blot (on something) something that spoils the opinion that other people have of you, or your happiness Her involvement in the fraud has left a serious blot on her reputation. There was just a tiny blot on his happiness.
  3. Idioms
    a blot on the landscape
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    an object, especially an ugly building, that spoils the beauty of a place
See the Oxford Advanced Learner's Dictionary entry: blot