Found 2 items, similar to weightless.
English → English (WordNet) Definition: weightless weightless adj : having little or no weight or apparent gravitational pull; light; “floating freely in a weightless condition”; “a baby bat...fluffy and weightless as a moth”; “jackets made of a weightless polyester fabric” [ant: weighty]
English → English (gcide) Definition: Weightless Weightless \Weight"less\, a. Having no weight; imponderable; hence, light. --Shak. [1913 Webster]