blot sth out
— Phrasal Verb with blot
/blɒt/ verb [T] (present participle blotting, past tense and past participle blotted)
NOT THINK › to stop yourself from thinking about something unpleasant: I've tried to blot out memories of my relationship with Dieter.
CANNOT SEE › If smoke or cloud blots out the sun, it prevents it from being seen.