spaced out
[adjective]
Synonyms: drugged, doped, high, hopped-up, stoned, tripped out, turned on, wiped out, zonked

[TahlilGaran] English Synonym Dictionary ▲

ˌspaced ˈout adjective informal
not fully conscious of what is happening around you, especially because you are extremely tired or have taken drugs

[TahlilGaran] Dictionary of Contemporary English ▲

spaced out
to be confused or incoherent, to resemble someone who is using drugs, to be daydreaming
The boy was totally spaced out when the teacher asked him a question about the homework.

[TahlilGaran] English Idioms Dictionary ▲

spaced out
adj., slang, informal Having gaps in one's train of thought, confused, incoherent; resembling the behavior of someone who is under the influence of drugs.
Joe's been acting funny lately
■ spaced out, you might say.

[TahlilGaran] English Idioms Dictionary ▲