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English definition of “weightless”

weightless

adjective uk   /ˈweɪt.ləs/ us  
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
adverb uk   /-li/ us  
Light and weightless
weightlessness
noun [U] uk   /-nəs/ us  
Light and weightless
(Definition of weightless from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of weightless?
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