weightless

American  

[weyt-lis] / ˈweɪt lɪs /

adjective

1. being without apparent weight, as a freely falling body or a body acted upon by a force that neutralizes gravitation.

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weightless British  

/ ˈweɪtləs /

adjective

1. (of a body) having no actual weight; a state in which an object has no actual weight (because it is in space and unaffected by gravitational attraction) or no apparent weight (because the gravitational attraction equals the centripetal force and the object is in free fall)

2. commerce

   1. (of economic activity) based on the supply of information and ideas rather than trade in physical goods

      the weightless economy

   2. (of a company) having very few physical assets

      weightless dot.coms

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Other Word Forms

• weightlessness
  noun
• weightlessly
  adverb

Etymology

Origin of weightless

First recorded in 1540–50; weight + -less

Example Sentences

See Examples For:

weightless

Floating weightless in the stars, her hair unbrushed and bathrobe-like jacket shrugged on, she makes the impossible look casual.

From Los Angeles Times ● Jun. 24, 2026

Ariel Ekblaw, CEO of the Aurelia Institute, spoke about how self-assembling structures could make orbiting research habitats a reality, unlocking scientific and medical breakthroughs that only the weightless environment of space can deliver.

From The Wall Street Journal ● May 8, 2026

But there are no rest days for the weightless: the astronauts have 30 minutes of exercise built in to their schedules.

From Barron's ● Apr. 4, 2026

She said the pair were undertaking the exercise programmes needed to stay healthy in the weightless environment.

From BBC ● Sep. 6, 2024

Harry heard the cart smash into pieces against the passage wall, heard Hermione shriek something, and felt himself glide back toward the ground as though weightless, landing painlessly on the rocky passage floor.

From "Harry Potter and the Deathly Hallows" by J.K. Rowling

Related Words

• ethereal
• inconsequential
• trivial