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

This lookalike style has similar detailing along the waistline, plus seam stitching on the relaxed legs. —Clara McMahon, PEOPLE, 30 Sep. 2025

Know When to Eat Eating most of your calories earlier in the day may benefit your heart and waistline. —Megan Nunn, Verywell Health, 29 Sep. 2025

Below the drop waistline, the full skirt bloomed with layers of fabric and a voluminous quality that created a variation in texture, fabric and shape. —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

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