The term "right fist" refers to a closed hand held on the right side of the body. There are several synonyms that can be used instead of "right fist" to describe this physical gesture. Some common alternatives include "right hand clenched," "right knuckles balled up," or "right palm closed tightly." Additionally, the term "right punch" may be used to describe a forceful strike delivered with the right fist. Overall, there are a variety of words and phrases that can be used to convey the meaning of "right fist," depending on the context and tone of the communication.