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

These shorts feature a flattering high waistline and functional side pockets. — Caroline Hughes, Travel + Leisure, 19 July 2026

Research suggests regular bean eaters tend to weigh less and carry smaller waistlines. — Samantha Agate, Fort Worth Star-Telegram, 15 July 2026

The bottoms feature a high-rise waistline, leg-elongating taper, and ultra comfortable feel thanks to their cotton blend. — Kyra Surgent, InStyle, 15 July 2026

Regularly skimping on sleep may lead to weight gain and a larger waistline, new research found. — Tom Gavin, EverydayHealth.com, 6 July 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
• brucine
• byline

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