Real Dictionary

criticism
Criticism is the action of expressing disapproval of something or someone. A criticism is a statement that expresses disapproval.
uncountable noun: Criticism is a serious examination and judgment of something such as a book or play.

criticism in American English
the act of making judgments; analysis of qualities and evaluation of comparative worth; esp., the critical consideration and judgment of literary or artistic work
noun: the act of passing judgment as to the merits of anything

criticism in British English
noun: the act or an instance of making an unfavourable or severe judgment, comment, etc