Aéreo (en. Air)
/aˈeɾeo/
Slang Meanings
Thing or situation that is too light or ephemeral.
That project is very airy, it has no foundation.
Ese proyecto es muy aéreo, no tiene fundamento.
Someone who is disconnected from reality.
Don't pay attention to him, he is very airy with those ideas.
No le hagas caso, está muy aéreo con esas ideas.