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

• 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

Her tapered trousers featured a low-rise waistline, visible pleats and silk fabric for waistline and silhouette definition. —Julia Teti, Footwear News, 25 Sep. 2025

The season leaned into boxy jackets, paneled skirts, and basque waistlines that carved out structure with confidence. —Essence, 24 Sep. 2025

Rashida Jones posed for photos in a black gown which featured an off-the-shoulder look on one side, with fabric flowing down from the neckline to her waistline. —Lori A Bashian, FOXNews.com, 15 Sep. 2025

Younger women typically have smaller waists, while older women often see their waistlines increase. —Heidi Cope, Health, 15 Sep. 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