weightless

American  

[wayt-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

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Etymology

Origin of weightless

First recorded in 1540–50; weight + -less

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Example Sentences

See Examples For:

weightless

"You lose muscle mass and cardiac mass when you're in a weightless environment because you are working less up there," explained Thomas, who also is a Northwestern Medicine cardiologist.

From Science Daily ● Oct. 21, 2026

We see seemingly weightless planes, hovering above immortal bedrock.

From The Wall Street Journal ● Aug. 28, 2026

They have complicated relationships, but there’s nothing better for ironing things out than creeping together through dark tunnels by flashlight, hoping that nothing jumps out at you, engaging in weightless banter as you go.

From Los Angeles Times ● May 21, 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

Yet at the same time, the thing that once was a person seems narrow and strangely weightless, swaying slightly in the breeze.

From "X: A Novel" by Ilyasah Shabazz

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Related Words

• ethereal
• inconsequential
• trivial

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