spandex

American

[span-deks] / ˈspæn dɛks /

noun

Chemistry.

a synthetic fiber composed of a long-chain polymer, used chiefly in the manufacture of garments to add elasticity.

spandex British

/ ˈspændɛks /

noun

a type of synthetic stretch fabric made from polyurethane fibre

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of spandex

First recorded in 1955–60; anagram of expands

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Our twisted version of a capitalist guardian angel, patron saint of spandex in a cropped matching set.

From Los Angeles Times • Apr. 17, 2026

This purification of pregnancy has seen maternity fashions exploit the full potential of spandex, belts, and bows to annunciate rather than conceal the baby bump.

From Slate • Jul. 21, 2025

He and his staff responded by finding a local tailor and a second-hand sewing machine, and establishing a workshop right inside the rehab facility — using spandex instead of the usual material.

From Salon • Mar. 29, 2025

Behind the facade of hashtags and spandex, however, troubled brewed.

From New York Times • Mar. 13, 2024

A lot of the guys are wearing these long-sleeved spandex shirts under their soccer shirts, and a few of them are wearing shin guards.

From "Simon vs. the Homo Sapiens Agenda" by Becky Albertalli

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023