"Brutalising" is an intense word that typically implies a level of violence or cruelty. However, there are several synonyms that can be used to convey a similar meaning with varying degrees of severity. One alternative word is "degrading," which suggests a diminishing of someone's dignity or worth. Other options include "harsh," "cruel," and "savage," each of which conjure up images of mistreatment and harm. For a more nuanced descriptor, "traumatizing" might be a fitting word to use, as it implies a level of psychological harm in addition to physical violence. "Inhumane" or "barbaric" can also be used to suggest a lack of human compassion in the treatment of others. Overall, there are many different synonyms that can be used in place of "brutalising," each with their own connotations and implications.