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block out

B1 neutral separable transitive
In simple words

To stop light, noise, or a bad thought from getting through to you; or to keep a time free.

Literal meaning: To place something so that it completely covers or prevents something else from passing.

Meanings

1 B1 neutral

To prevent light or sound from passing through or being heard.

"These thick curtains are great for blocking out the morning sun."

Grammar: separable
2 B2 idiomatic neutral

To deliberately push away or suppress a memory, feeling, or thought.

"She tried to block out the memory of the accident, but it kept coming back."

Grammar: separable
3 B1 neutral

To mark a period of time as reserved in a diary or schedule.

"I've blocked out two hours on Monday for report writing."

Grammar: separable
4 C1 neutral

In theatre or film: to plan the movement and positions of actors on a stage or set.

"The director spent the morning blocking out the final scene."

Grammar: separable
Usage notes

Very versatile. Used literally (blocking sunlight, noise) and figuratively (blocking out memories or emotions). Also used in scheduling. Common in both British and American English.

Commonly used with

sun noise light memories pain time sound

Forms

Base
block out
I/you/we/they
3rd person
blocks out
he/she/it
Past simple
blocked out
yesterday
Past participle
blocked out
have + pp
-ing form
blocking out
continuous

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Synonyms

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