To express disapproval of someone or something by pointing out faults or shortcomings. The teacher criticised the student's essay for its lack of clarity and coherence.
To analyze and evaluate something, such as a work of art or literature, in a detailed and constructive manner. The art historian criticised the painting, highlighting its innovative use of color and form.
To talk about the faults of someone or something; to express disapproval, often without offering a constructive alternative (intransitive usage). He loves to criticise but rarely suggests how things could be improved.