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.

---

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

---

Other Word Forms

• weightlessly
  adverb
• weightlessness
  noun

Etymology

Origin of weightless

First recorded in 1540–50; weight + -less

Example Sentences

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

Other bodies in the painting—the woman holding Jesus’ head and the one dressed in green, supporting Mary—seem to be weightless, suspended in mid-air.

From The Wall Street Journal • Mar. 27, 2026

In one cold yet weightless moment, the boy-man realizes his own dad might not care whether he survives.

From Los Angeles Times • Jan. 8, 2026

Muscle strength takes on a different meaning when everything is practically weightless.

From BBC • Mar. 19, 2025

Ruby, Sparrow, and Sarai went weightless, and there were no walls or ghosts to catch them.

From "Strange the Dreamer" by Laini Taylor

Related Words

• ethereal
• inconsequential
• trivial