The term 'severely criticizes' can be expressed in a variety of ways, such as badmouths (9 letters), rips (4 letters), SAVAGES (7 letters), and PANS (4 letters). To badmouth someone is to speak negatively about them, while to rip someone is to criticize them harshly. To savage someone is to criticize them severely, and to pan someone is to criticize them harshly or unfavorably. All of these terms refer to the act of severely criticizing someone.