Tim: How was your
history class today?
Chris: Well, I didn’t
sleep well last night, so I was so tired. I pretty much zoned out the
Tim: You still look a
little sleepy. You’d better get some good sleep tonight.
Sara: Hey, Jill! Focus
on the road!
Jill: I’m sorry. I was
Sara: What were you
Jill: My boyfriend and
I have been having problems and I guess I just started daydreaming.
Meaning: to zone out
means that someone cannot concentrate and their
mind starts to wander or daydream.