Used when someone is deep in thought, reflecting on something important or serious. She's not ignoring you; she's just gazing into space, reflecting on her life choices.
Pro Tip 2/3
Not Rude
It does not necessarily mean someone is being rude or ignoring you. Don't be upset; he sometimes stares into space when he's concentrating.
Pro Tip 3/3
Subtle Emotions
Can convey a wide range of subtle emotions: sadness, longing, or being overwhelmed. Gazing into space, her eyes revealed the longing she felt for her distant home.