The term "heavy-set" refers to a person who is solidly built and has a bulky or overweight physique. However, there are several synonyms for the word to describe someone's weight and body type. Some of these words include bulky, hefty, portly, plump, stout, corpulent, rotund, and obese. Each of these terms conveys a different degree of weight and body fat, from a slightly overweight individual to someone who is severely obese. It's important to be careful with the use of such words and avoid using them in a derogatory or stigmatizing way, as everyone should be treated with respect and kindness regardless of their body type.