weightlessness

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈweɪtləsnəs/


WordReference Random House Learner's Dictionary of American English © 2026
weight•less /ˈweɪtlɪs/USA pronunciation   adj. 
  1. Physicsbeing without apparent weight.
weight•less•ness, n. [uncountable] :periods of weightlessness in the space capsule.

WordReference Random House Unabridged Dictionary of American English © 2026
weight•less  (wāt′lis),USA pronunciation adj. 
  1. Physicsbeing without apparent weight, as a freely falling body or a body acted upon by a force that neutralizes gravitation.
  • weight + -less 1540–50
weight′less•ly, adv. 
weight′less•ness, n. 

'weightlessness' also found in these entries (note: many are not synonyms or translations):
microgravity - simulate - space sickness - zero gravity

Forum discussions with the word(s) "weightlessness" in the title:


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