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

The bottoms have a high, elastic waistline and athletic, jogger-like pant legs. —Olivia Young, Travel + Leisure, 14 Oct. 2025

Pockets were featured as part of the design as well just beneath the waistline. —Julia Teti, Footwear News, 8 Oct. 2025

The first commander in chief cared little for waistlines or whiskers, in the end; what concerned him was discipline of the mind. —Maurizio Valsania, The Conversation, 2 Oct. 2025

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