Skivvies are an informal term commonly used to refer to men's underwear or undershirts. However, the word skivvies is considered slang, and there are several alternative synonyms available. Some of the common synonyms for skivvies include briefs, boxers, trunks, jockeys, boxer briefs, and shorts. Each of these terms refers to various types of male underwear, ranging from tight-fitting underwear to loosely fitted shorts. The choice of word largely depends on personal preference, comfort, and style preferences. Regardless of the word used, the importance of wearing clean and comfortable underwear cannot be undermined.