Contemptuous manner refers to a way of behaving that conveys a sense of disrespect and disdain towards someone or something. Instead of using this phrase, other synonyms can be used to convey the same meaning. These synonyms include arrogant, disdainful, insulting, hurtful, sneering, dismissive, derisive, scornful, patronizing, belittling, and condescending. All of these words describe a negative way of speaking or behaving that shows a lack of respect towards others. Using these synonyms in writing or conversation can help to convey the same meaning without using the same phrase repeatedly. Choosing the right word that fits the context of the situation can add depth to the writing or conversation while conveying the intended meaning effectively.