I. blot 1 /blɒt $ blɑːt/ BrE AmE verb ( past tense and past participle blotted , present participle blotting ) [transitive]
1 . to make a wet surface become dry by pressing soft paper or cloth on it
2 . blot your copybook British English informal to do something that spoils the idea that people have of you
blot something ↔ out phrasal verb
1 . to cover or hide something completely:
Thick white smoke blotted out the sun.
2 . if you blot out an unpleasant memory, a thought etc, you deliberately try to forget it:
She said she took drugs to blot out her problems.
blot something ↔ up phrasal verb
to remove liquid from a surface by pressing soft paper or cloth onto it
II. blot 2 BrE AmE noun [countable]
[ Date: 1300-1400 ; Origin: Probably from a Scandinavian language ]
1 . a mark or dirty spot on something, especially made by ink:
ink blots
2 . a building, structure etc that is ugly and spoils the appearance of a place:
The new power station is a blot on the landscape.
3 . something that spoils the good opinion that people have of someone or something
blot on
The increase in juvenile crime is a blot on our time.