Search Dictionary
Definition of weightlessness

weightlessness

/ˈweɪt.ləs.nəs/
weight · less · ness
Adverb:weightlessly
•
Adjective:weightless
JUMP TO:

weightlessness Lexical Profile

weightlessness Game Scores & Validity

• noun

1

The physical state or condition of experiencing little or no apparent gravitational pull, as when in free fall or in orbit in outer space.

Example

"The astronauts trained in a deep underwater tank to simulate the weightlessness of outer space."

2

The quality of having very little physical weight, or a sensation of extreme lightness and buoyancy.

Example

"Floating on her back in the warm sea gave her a soothing feeling of complete weightlessness."

Synonyms
View all synonyms for weightlessness
Antonyms
View all antonyms for weightlessness

• Rhymes for weightlessness

• Nearby Words

weighting
weightless
weightlessly
weightlessness
weightlifter
weightlifting
weighty

Cite this Entry

Wordmom. (2026). Definition of Weightlessness. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/weightlessness
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.