/ ˈkrɪtɪk; NAmE / noun
1.
a person who expresses opinions about the good and bad qualities of books, music, etc. :
a music / theatre / literary, etc. critic
The critics loved the movie.
2.
a person who expresses disapproval of sb/sth and talks about their bad qualities, especially publicly :
She is one of the ruling party's most outspoken critics.
a critic of private health care
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WORD ORIGIN
late 16th cent.: from Latin criticus , from Greek kritikos , from kritēs a judge, from krinein judge, decide.