space out

space out

​(informal, especially North American English) to take no notice of what is happening around you, especially as a result of taking drugs

I can't remember what happened next—I was totally spacing out.

space something ⇔ out

​to arrange things with a wide space between them

The houses are spaced out in this area of town.

Mothers were being advised to try to space out their pregnancies.

The fruits should be well spaced out so that they are not touching each other.

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