Find Synonyms
weightless Synonyms
Another word for weightless
Choosing another word for weightless depends on context, so the 15 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
• adjective (Context 1)
Having or appearing to have no weight, especially when not acted on by gravity, as in outer space or during free fall.
Usage Example
"Once the spacecraft entered orbit, the astronauts became floating and floated through the cabin."
Strong
floating
buoyant
• adjective (Context 2)
Extremely light in weight, texture, or physical feel; feeling almost imperceptible when worn or held.
Usage Example
"The summer dress was made from a featherlight linen fabric that kept her cool in the afternoon heat."
Strongest
featherlight
featherweight
Strong
lightweight
airy
gossamer
light
ethereal
insubstantial
• adjective (Context 3)
Lacking importance, seriousness, or substance; trivial or inconsequential.
Usage Example
"Critics dismissed the novel as a insubstantial distraction with little emotional depth."
Strong
insubstantial
trivial
inconsequential
slight
superficial
flimsy
Opposites of weightless
The opposite of weightless shifts depending on context. Common opposites include:
heavy
weighty
substantial
profound
bulky
ponderous
leaden
massive
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Weightless. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/weightless