Definitions

1. adjective

having no weight; weightless.

“The astronaut felt weightless in space.”

2. adjective

having no weighty or serious quality; trivial.

“The news report was criticized for being weightless and lacking substance.”

3. noun

the state of being weightless.

“The sensation of weightlessness was exhilarating.”

4. verb

to make or become weightless.

“The zero-gravity environment allowed the spacecraft to weightless for a short period.”