Find Antonyms
weightless Antonyms
Opposite of weightless
Because the opposite of weightless shifts with each meaning, the 11 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast 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 heavy and floated through the cabin."
Strongest
heavy
weighty
Strong
massive
leaden
• 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 heavy linen fabric that kept her cool in the afternoon heat."
Strongest
heavy
Strong
bulky
ponderous
dense
• adjective (Context 3)
Lacking importance, seriousness, or substance; trivial or inconsequential.
Usage Example
"Critics dismissed the novel as a weighty distraction with little emotional depth."
Strongest
weighty
Strong
profound
substantial
significant
serious
Similar words to weightless
Words similar to weightless shift depending on context. Common synonyms include:
featherlight
featherweight
lightweight
insubstantial
trivial
airy
inconsequential
gossamer
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Weightless. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/weightless