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English definition of “blot out something”

blot out something

verb [T] phrasal verb with blot  /blɑt/ (-tt-) us  
to cause something to disappear, or to remove something unpleasant from your thoughts: A dark cloud blotted out the sun. He blots out the painful memories by keeping very busy.
(Definition of blot out something from the Cambridge Academic Content Dictionary © Cambridge University Press)
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