space cadet

1. 1.

   someone who seems unable to respond appropriately to reality (as if under the influence of some narcotic drug)

   Broadersimpleton

   narcotic

Questions about space cadet

What does space cadet mean?

space cadet means "someone who seems unable to respond appropriately to reality (as if under the influence of some narcotic drug)".

Is space cadet a common word?

space cadet is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.