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

The bottoms boast a high-rise waistline and leg-elongating straight silhouette. —Kyra Surgent, InStyle, 14 Jan. 2026

Amazon Pharmacy began offering Novo Nordisk’s Wegovy weight-loss pill, a move likely to intensify the drug’s impact on waistlines, grocery bills, and the food industry as a whole. —Tom Chivers, semafor.com, 12 Jan. 2026

The trousers of the suit featured a high waistline and a wide-leg silhouette. —Julia Teti, Footwear News, 8 Jan. 2026

The style makes your legs look longer and flatter your hips thanks to the high-rise waistline. —Caroline Hughes, Travel + Leisure, 7 Jan. 2026

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