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blot

1 blot /ˈblɑːt/ verb
blots; blotted; blotting
1 blot
/ˈblɑːt/
verb
blots; blotted; blotting
Britannica Dictionary definition of BLOT
[+ object]
: to dry (something, such as wet ink) by pressing a piece of cloth or paper over it

blot out

[phrasal verb]
blot out (something) or blot (something) out
: to hide or block (something): such as
: to make (something) difficult to see
: to try to forget (an event or memory)

blot your copybook

British, informal
: to harm your own reputation
2 blot /ˈblɑːt/ noun
plural blots
2 blot
/ˈblɑːt/
noun
plural blots
Britannica Dictionary definition of BLOT
[count]
: something that makes something else dirty or unattractive
: a mark of shame or dishonor