/leez/
1. Law.
a. a crime, esp. high treason, committed against the sovereign power.
b. an offense that violates the dignity of a ruler.
2. an attack on any custom, institution, belief, etc., held sacred or revered by numbers of people: Her speech against Mother's Day was criticized as lese majesty.
Also, lèse majesty .
[ 1530-40; lèse-majesté, after L ( crimen ) laesae majestatis (the crime) of injured majesty ]