The phrase "casting stone at" typically refers to criticizing or verbally attacking someone. There are a variety of synonyms that can be used to convey this meaning, including: throwing shade, throwing stones, hurling insults, slinging mud, dishing out criticism, and tearing down. Each of these phrases emphasizes the act of speaking harshly or engaging in negative speech toward another person. While it is important to be honest and direct in communication, it is equally important to be respectful and kind. Using more constructive language and reframing negative criticism as constructive feedback can help to foster healthy relationships and effective communication.