Definition of weightlessly in US English:

weightlessly

adverb

  • See weightless

    • ‘He felt as though he were drifting weightlessly through an endless tunnel.’
    • ‘She seems to float across the stage weightlessly.’
    • ‘Or just hang out - weightlessly - in zero gravity.’

Pronunciation

weightlessly

/ˈwātləslē//ˈweɪtləsli/