Meanings
adjectiveunderbust (not comparable)
- not comparablebusinessBelow the bust.
noununderbust (plural underbusts)
plural underbusts
- A corset that begins just under the breasts and extends down to the hips.
- businessThe circumference of a woman's chest, measured under the breasts.
You can measure your underbust and overbust to get an idea of bra size, but it's still just a guideline.
2015 April 14, Alison Freer, How to Get Dressed: A Costume Designer's Secrets for Making Your Clothes Look, Fit, and Feel Amazing, Ten Speed Press, →ISBN
Origin
Cite this entry
APA
underbust. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/underbust
MLA
“underbust.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/underbust. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “underbust,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/underbust.
Source: underbust on Wiktionary, CC BY-SA 4.0.