1. the quality or state of being dreamy, absent-minded, or inattentive; a tendency to daydream or seem lost in thought
Usage: informal; often used to describe a person's behavior or demeanor
2. the quality of being pale, wan, or having a moonlike appearance
Usage: rare; literary

Examples

• Her mooniness during class made it clear she hadn't slept well.
• The teacher noticed a certain mooniness in his expression as he stared out the window.
• His mooniness about the past prevented him from focusing on the present.
• She had a dreamy mooniness that made her seem disconnected from reality.
• The mooniness of his complexion suggested he spent too much time indoors.