To criticize something is to find and point out fault or problems.(verb)
An example of criticize is when your mother-in-law comments "your meatloaf is dry."
See criticize in Webster's New World College Dictionary
See criticize in American Heritage Dictionary 4
verb crit·i·cized, crit·i·ciz·ing, crit·i·ciz·es verb, transitive
Learn more about criticize