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1. Having little or no weight.
2. Not experiencing the effects of gravity.

weight′less·ly adv.
weight′less·ness n.


1. (General Physics) (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) commerce
a. (of economic activity) based on the supply of information and ideas rather than trade in physical goods: the weightless economy.
b. (of a company) having very few physical assets: weightless dot.coms.
ˈweightlessness n


(ˈweɪt lɪs)

being without apparent weight, as a freely falling body.
weight′less•ly, adv.
weight′less•ness, n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.weightless - having little or no weight or apparent gravitational pullweightless - having little or no weight or apparent gravitational pull; light; "floating freely in a weightless condition"; "a baby bat...fluffy and weightless as a moth"; "jackets made of a weightless polyester fabric"
weighty - having relatively great weight; heavy; "a weighty load"; "a weighty package"


Having little weight; not heavy:
عَديم الوَزْن
bez tiaže


[ˈweɪtlɪs] ADJingrávido


[ˈweɪtləs] adj
(= weighing nothing) → qui ne pèse rien
(in space) [person, object] → en apesanteur
in a weightless environment → en apesanteur


[ˈweɪtlɪs] adjsenza peso


(wei) verb
1. to find the heaviness of (something) by placing it on a scale. He weighed himself on the bathroom scales; You must have your luggage weighed at the airport.
2. to be equal to in heaviness. This parcel weighs one kilo; How much / What does this box weigh?
3. to be a heavy burden to. She was weighed down with two large suitcases.
weight (weit) noun
1. the amount which a person or thing weighs. He's put on a lot of weight (= got much fatter) over the years.
2. a piece of metal etc of a standard weight. seven-pound weight.
3. a heavy object, especially one for lifting as a sport. He lifts weights to develop his muscles.
4. burden; load. You have taken a weight off my mind.
5. importance. Her opinion carries a lot of weight.
1. to attach, or add, a weight or weights to. The plane is weighted at the nose so that it balances correctly in flight.
2. to hold down by attaching weights. They weighted the balloon to prevent it from flying away.
ˈweightless adjective
not affected by the earth's gravity pull. The astronauts became weightless on going into orbit round the earth.
ˈweightlessness noun
ˈweighty adjective
1. important. a weighty reason.
2. heavy.
ˈweightily adverb
ˈweightiness noun
ˈweighing-machine noun
a (public) machine for weighing people, loads etc; a scale. I weighed myself on the weighing-machine at the railway station.
ˈweightlifting noun
the sport of lifting weights.
weigh anchor
to lift a ship's anchor in preparation for sailing.
weigh in to find one's weight before a fight, after a horse-race etc ( ˈweigh-in) noun
weigh out
to measure out by weighing. He weighed out six kilos of sand.
weigh up
to calculate, estimate; to consider. He weighed up his chances of success.
References in classic literature ?
He was turned out of his nice cabin, and packed in with his belongings to share that of Lieutenant Kurt, whose luck it was to be junior, and the bird-headed officer, still swearing slightly, and carrying strops and aluminium boot-trees and weightless hair-brushes and hand-mirrors and pomade in his hands, resumed possession.
The Weightless SIG has introduced a Weightless-N development environment for low power wide area network connectivity in IoT projects.
WEIGHTLESS by Sarah Bannan Bloomsbury Circus, PS12.
British ambient band Marconi Union has drummed up the world's most relaxing song: Weightless 8 mins 10 secs of aural bliss" Time Magazine Best Inventions of the Year
uk) ensai Cellular Performance Cream Foundation, PS60 Super powders Super powders BOBB Powder Foundation in a handy compact effectively mattifies any oily patches, while Chanel Vitalumiere Loose Powder Foundation provides a smooth, even coverage with BOBBI Brown Skin Weightless Powder Foundation in a handy compact effectively mattifies any oily patches, while Chanel Vitalumiere Loose Powder Foundation provides a smooth, even coverage with SPF15.
In space, astronauts are in microgravity--where objects appear weightless.
And the increasingly popular new mechanism by which this type of treatment is delivered is the weightless treadmill.
Two productions by National Theatre Wales - The Radicalisation of Bradley Manning, by Tim Price, and In Water I'm Weightless, by Kaite O'Reilly - are among five plays shortlisted for the UK's oldest literary award.
The Weightless pulled well on the folding handle and the wheels were fine on escalators and paths whether used upright with all four or on just two.
The shampoo bottle I'm clutching declares in bold print: "NEW - weightless moisture".
London, February 4 ( ANI ): A new video released by the Canadian Space Agency has revealed how astronauts manage to complete everyday, mundane tasks like washing their hands, completely weightless.
Zero Gravity Corporation, the first and only FAA-approved provider of commercial weightless flights, hosted the world's first-ever weightless wedding on Saturday, June 20.