plural of buck private

plural of private joke

(Britain) One who enters an examination without being enrolled as a student at the educational establishment where it is given.

plural of private candidate

(US, military slang) A private soldier keen ("bucking") for promotion; an ambitious private.

plural of private detective

plural of private eye

plural of private investigator

An agent hired by a private party for the purpose of investigation or evidence gathering.

(in German-speaking countries) An associate professor (in a university) who has obtained a doctorate, written a habilitation thesis and given a lecture in the hope of becoming a full professor.