A polo shirt is a classic and timeless garment that can be worn casually or dressed up for a smarter occasion. If you're looking for synonyms for the word "polo shirt," there are several options available. A golf shirt, tennis shirt, or rugby shirt all offer a similar style but with slightly different design elements. A rugby shirt typically has horizontal stripes and a collar, while a golf shirt may have more decorative accents and a slimmer fit. A tennis shirt offers a more athletic look with a breathable fabric and a slim cut. Ultimately, it's up to personal preference and the occasion as to which synonym for a polo shirt you choose.