When it comes to expressing the notion of "second class", there are a number of equivalent expressions that can be used. These include words such as inferior, substandard, low-grade, second-rate, and lesser. Each of these terms can be used to describe a situation or object that is considered to be of poor quality or less desirable than others. In some cases, these terms may be used to describe social or economic status, with those perceived as being "second class" being placed in a lower social or economic bracket. Despite their somewhat negative connotations, however, these synonyms provide a useful tool for expressing a range of different shades of meaning and are widely used in a variety of contexts.