Pedaller is a commonly used term used to describe someone who is cycling or riding a bike. However, there are several synonyms for this word that can be used, depending on the context of the conversation or the desired level of formality. Some commonly used synonyms for the word pedaller include cyclist, bikist, biker, pedal pusher, and bike rider. These terms can convey a slightly different meaning or create a different tone, depending on the situation. For example, cyclist may be seen as a more professional or competitive term, while pedal pusher may be more casual and playful. Ultimately, the synonym chosen depends on the context and desired tone.