weightless

adjective

weight·​less ˈwāt-ləs 

: having little weight : lacking apparent gravitational pull

weightlessly adverb

weightlessness noun

Synonyms of weightless

• lightweight

Examples of weightless in a Sentence

a light fabric that feels almost weightless

She floated in the pool, weightless.

Recent Examples on the Web

John, a professor of electrical and computer engineering at the University of Texas at Austin, has spent the past five years working on a class of models called weightless neural networks. — Jackie Snow, IEEE Spectrum, 30 July 2026

This texturizing spray is formulated with packed with nutrient-dense ingredients that support hair health while also adding a weightless volumizing finish. — Jessie Quinn, StyleCaster, 28 July 2026

The Futurist Skin Tint Serum is the lighter, more everyday friendly-formula, with a silky, serumlike texture that feels virtually weightless on the skin. — Reece Andavolgyi, InStyle, 25 July 2026

From the couch or the stands, high-level tennis can appear weightless. — Josh Levin, The Atlantic, 9 July 2026

Word History

First Known Use

circa 1547, in the meaning defined above

Rhymes for weightless

• stateless

Kids Definition

weightless

adjective

weight·​less ˈwāt-ləs 

: having little weight : lacking apparent gravitational pull

weightlessness noun