| 1. | a person who appears to be in his or her own world or out of touch with reality. |
| 2. | a person who behaves oddly or seems stupefied or remote because of the influence of drugs; druggie. |
| space cadet n. Slang One who shows difficulty in grasping reality or in responding appropriately to it; a spacy person: "the screwups and the space cadets—in other words, the fringe element" (Linda Ellerbee). |