The term "low bred" can be considered derogatory and offensive, as it implies a lack of sophistication or being uncultured. There are several alternatives to this term that can be used to convey a similar meaning without being insulting. One such synonym is "uncouth," which refers to someone who lacks manners or is crude in behavior. "Unrefined" is another term that can be used to describe someone who lacks sophistication or is not polished. Alternatively, one could use "vulgar" or "ill-bred" to describe someone who does not adhere to social norms or has an unpleasant behavior. It is always important to use language that is respectful and kind, and to avoid terms that might offend or hurt others.