Oxford Dictionary English weightless adjectiveadjective BrE BrE//ˈweɪtləs// ; NAmE NAmE//ˈweɪtləs// Space travel Add to my wordlistjump to other resultshaving no weight or appearing to have no weight, for example because there is no gravity Astronauts work in weightless conditions. Wordfinderspaceastronaut, countdown, dock, launch, mission, orbit, rocket, satellite, space, weightless See related entries: Space travelSee weightless in the Oxford Advanced American DictionaryCheck pronunciation: weightless oxfordlearnersdictionaries.com