Cut in is a phrasal verb that refers to interrupting or joining a conversation, often when not invited or appropriate. There are several synonyms for cut in that can be used to add variety and clarity in communication. These include butt in, break in, barge in, chime in, interject, and intrude. Each variant has its own subtle connotations and nuances, ranging from assertive and rude to polite and curious. Knowing and using these synonyms can help communicate more effectively and appropriately in a variety of settings, such as meetings, social gatherings, or debates.