pillow sham definition
Definition of sham. 1  1 : a trick that deludes : hoax feared that the deal was a sham. 2  2 : cheap falseness : hypocrisy saw through the hollowness, the sham, the silliness of the empty pageant â Oscar Wilde. 3  3 : an ornamental covering for a pillow.  4 : an imitation or counterfeit purporting to be 1  genuine. 5 : a person who shams.