1. phrasal verb If one thing blots out another thing, it is in front of the other thing and prevents it from being seen. [V P n] ⇒ About the time the three climbers were halfway down, clouds blotted out the sun. [be V-ed P] ⇒ ...the victim, whose face was blotted out by a camera blur. [V n P] ⇒ ...with mist blotting everything out except the endless black of the spruce on either side. 2. phrasal verb → blot If you try to blot out a memory, you try to forget it. If one thought or memory blots out other thoughts or memories, it becomes the only one that you can think about. [V P n] ⇒ Are you saying that she's trying to blot out all memory of the incident? [V n P] ⇒ The boy has gaps in his mind about it. He is blotting certain things out. [V n P + of] ⇒ She has suffered an extremely unhappy childhood, but simply blotted it out of her memory.
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