spaces out
Mind wanders off
To space out is to become inattentive or mentally absent, losing focus on your surroundings: I completely spaced out during the meeting.
The phrase suggests a mind drifting into empty space.
Someone who spaces out frequently may be called spacey.
- absent-mindedProne to forgetting things
- daydreamingIdle mental wandering
- head in the cloudsAbsorbed in fantasy
- inattentiveNot paying attention
- autopilotAutomated vehicle guidance system
dissociation · unfocused · trance-like · not all there · miles away · forgetful · unresponsive · reverie · preoccupied · escapism · scatterbrained · dreamy · away with the fairies · motionless · detachment · distracted · wool-gathering · lost in thought