Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “weightless”

See all translations

weightless

adjective  /ˈweɪt·ləs/ us  

weightless adjective (NOT HEAVY)

being in a state in which gravity (= the force by which the earth attracts objects) does not cause movement of objects: The astronauts are weightless in space.
weightlessness
noun [U]  /ˈweɪt·lə·snəs/ us  
Then the rocket motor will shut down and passengers will experience the silence of space and the magic of weightlessness.
Translations of “weightless”
in Chinese (Traditional) 無重量的, 失重的, 似無重量的…
in Chinese (Simplified) 无重量的, 失重的, 似无重量的…
(Definition of weightless from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of weightless?
Add Cambridge dictionaries to your browser to your website

Definitions of “weightless” in other dictionaries

Word of the Day

shampoo

a liquid used for washing hair, or for washing particular objects or materials

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

crossfit noun

March 23, 2015
high-intensity strength training Two women in strappy dresses discussed how much weight they could snatch

Read More