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

As Suns guard Jalen Green crossed the timeline, DiVincenzo got directly into his waistline. —Jace Frederick, Twin Cities, 18 Mar. 2026

Attached to the waistline were layers of pleated ivory fabric, creating a tutu effect. —Hannah Malach, InStyle, 15 Mar. 2026

If brands spent the last few years plumbing the looks and vibes of the early 2000s — Miu Miu’s low-rise waistlines and Abercrombie’s prep and all that — ‘90s fever has now taken hold. —Rachel Tashjian, CNN Money, 12 Mar. 2026

Blazy pulled waistlines dramatically low — belts slung to mid-thigh, pleated skirts starting where blazers ended. —ABC News, 9 Mar. 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