Five-angled means a shape that has five angles. When it comes to synonyms for this word, there are a few options available. Some of the synonyms for the term 'five-angled' include pentagonal, polygonal, five-sided, and quinquangular. Pentagonal is derived from the Greek word 'pentagonon,' which means five angles. Polygonal is a broader term that describes a shape with many sides and angles, including pentagons. Five-sided is another term for pentagonal, but it doesn't include the term 'angle' in the name. Finally, quinquangular is a term that is used less commonly, but it means 'having five angles' and is an alternative to using 'five-angled'.