waistline

noun

waist·​line ˈwāst-ˌlīn 

1

a

: an arbitrary line encircling the narrowest part of the waist

b

: the part of a garment that covers the waistline or may be above or below it as fashion dictates

2

: body circumference at the waist

Synonyms

• middle
• midriff
• midsection
• waist

Examples of waistline in a Sentence

The diet claims it will reduce your waistline in just four weeks.

The dress has a small waistline and a full skirt.

Recent Examples on the Web

They’re made from a blend of cotton, hemp, and spandex, which provides structure and a little bit of stretch, while the high waistline and contoured waistband help create a flattering fit. —Alicia Geigel, Southern Living, 6 June 2025

The elastic waistband ensures comfortable wiggle room around the waistline, and the button-up shirt can double as a versatile top layer to cover your shoulders or worn on its own. —Kristin Braswell, Travel + Leisure, 28 May 2025

The midi frock featured a collared bodice with delicate gold buttons running down the front placket to the waistline. —Julia Teti, Footwear News, 15 May 2025

But by the end of this scene, Serena’s are definitely at least starting to roll at the waistline. —Kimberly Roots, TVLine, 15 Apr. 2025

Word History

First Known Use

1857, in the meaning defined at sense 1a

Rhymes for waistline

• affine
• airline
• align
• aline
• assign
• baseline
• beamline
• benign
• bloodline
• bovine
• byline
• canine

Kids Definition

waistline

noun

waist·​line ˈwāst-ˌlīn 

1

a

: waist sense 1a

b

: body circumference at the waist

2

: the part of a garment surrounding the waist

Medical Definition

waistline

noun

waist·​line ˈwāst-ˌlīn 

: body circumference at the waist