A brassiere, often known as a bra, is an essential piece of women's undergarment that offers support and coverage for the breasts. However, there are several synonyms that can be used interchangeably for "brassier". One common term is "underwire", which refers to bras that incorporate a wire structure underneath the cups to help lift and shape the breasts. Another synonym is "foundation garment", a more general term encompassing various types of undergarments such as bodysuits, corsets, or girdles. "Bustier" is yet another synonym, specifically denoting a longer bra that extends down to the waist, providing further support and shaping to the torso. Regardless of the term used, the importance of finding a well-fitting and comfortable bra cannot be stressed enough.