torture
The infliction of severe pain or anguish, especially as an interrogation technique or punishment; (''usually in the plural'') a technique, method, or device which is designed to inflict such anguish.
Severe pain or anguish, of mind or body.
(in figurative or extended use) An unpleasant sensation or its infliction: embarrassment, heartache, etc.
To intentionally inflict severe pain or suffering on (someone), usually with the aim of forcing confessions or punishing them.