A "bit part" can be described in various ways depending on the context. For instance, a minor role, supporting role, or cameo are all synonyms that convey a similar idea. These terms are usually associated with acting or theatrical performances. Other synonyms for bit part include a small role, walk-on part, and non-speaking part. In a film or television show, a character actor may be cast for a bit part. Similarly, an extra is another term used to describe a small role without lines or significant screen time. Overall, there are several words that can be used to describe a bit part depending on the specific usage.