Indicate the faults of (someone or something) in a disapproving way.
You do nothing but criticise.
The teacher encouraged students to criticize each other's ideas in a constructive manner during the group project.
It's important to criticize policies that may have negative impacts on the community and advocate for positive change.
Rather than criticize, try to understand different perspectives and find common ground for meaningful discussions.
The film reviewer took the time to criticize certain elements of the movie while acknowledging its strengths.