mispromotion noun3 •The act of promoting someone to a position for which they are not qualified.This mispromotion phenomenon has become popularly known as the Peter Principle (12). — 1978 •The act of mispromoting; the advertisement of something as having properties it does not have.Mr. Speaker, the legal theory of Brown against Topeka rejecting a denial of freedom of choice because of race has suffered mispromotion to the point that today “freedom of choice" is again illegal. — 1969 •A person who has been mispromoted.The other three-fourths (the B- and C-Players) become mishires and mispromotions. — 2009 formsmispromotions