Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “weightless”

weightless

adjective     /ˈweɪt.ləs/
having or appearing to have no weight: There is a lot of interest in carrying out experiments in the weightless conditions which are experienced aboard space stations.Light and weightless weightlessly     /-li/ adverb Light and weightless weightlessness     /-nəs/ noun [U] Light and weightless
(Definition of weightless adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of weightless

Browse related topics

You are looking at an entry to do with Light and weightless, but you might be interested in these topics from the Weight and firmness topic area:

Definitions of “weightless” in other dictionaries

Translations of “weightless”

Word of the Day

friendship

a situation in which two people are friends

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More