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 of waistline

• 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

In addition to their similar dark washes, these jeans have an ultra wide-leg silhouette that’s anything but restrictive, plus a mid-rise waist that many shoppers prefer over super-high waistlines. —Clara McMahon, PEOPLE, 24 Nov. 2025

The wide, elastic waistband—which sits at the natural waistline to provide coverage and flexibility—is super subtle and barely noticeable. —Stephanie Osmanski, Better Homes & Gardens, 20 Nov. 2025

Our waistlines grow with consumption and vice versa. —David A. Brenner, San Diego Union-Tribune, 6 Nov. 2025

The midi look was further designed with a high waistline, providing definition to the silhouette, which transitioned into a column skirt. —Julia Teti, Footwear News, 6 Nov. 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