Trans-piercing is a term commonly used to describe something that penetrates through another object or substance. Some common synonyms for this word could be: perforating, puncturing, piercing through, penetrating, trespassing, breaking through, or passing through. These words all convey the same idea of something going through another item or material, and can be used interchangeably to describe this action. Depending on the context or the specific object being pierced, certain synonyms may be more appropriate than others. However, all of these words capture the essence of trans-piercing and can be used to effectively convey this concept in writing or speech.