blot out

US /blɑːt aʊt/

UK /blɑːt aʊt/

1.

to cover or hide something completely

:

•

The clouds blotted out the sun.

•

He tried to blot out the painful memories.

:

obscure erase obliterate conceal hide

:

blot your copybook out-and-out outing out of out figure out take out