Trans-Canadian refers to things that span across Canada from one side to another. If one is interested in synonyms, they might consider terms like "cross-Canada", "nationwide", or "pan-Canadian". These words all carry the same connotation as trans-Canadian, emphasizing the vast and diverse expanse of Canada as a whole. Additionally, terms like "interprovincial" and "trans-provincial" might be used to express the idea of crossing the borders between Canadian provinces. Ultimately, there are many ways to express the concept of "trans-Canadian", and each synonym brings its unique nuance to the conversation.