A student at a military school who is training to be an officer. / (largely historical) A younger or youngest son, who would not inherit as a firstborn son would.

plural of cadet

plural of Cadet

A surname from French.

A blue colour, tinted with grey.

Of a blue colour, tinted with grey.

(originally) A person in training to be a (generally military) astronaut, especially in science fiction.

plural of air cadet

A member of the Air Cadet Organisation.

plural of space cadet