noun · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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CMU ARPABET:W EY1 T L AH0 S N AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The state of being free from the effects of gravity (the force).
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
An experience or instance of being weightless.
Definition source: English Wiktionary via Wiktextract
Usage: countable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
the property of being comparatively small in weight
Definition source: Princeton WordNet 3.0
Examples
the lightness of balsa wood
Meaning relationships
Synonyms: lightness
Antonyms: none provided
Broader terms: weight
Narrower terms: airiness, buoyancy
History
Etymology
Etymology tree English weight Proto-Indo-European *lewh1- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Middle English -les English -less English weightless Proto-Germanic *-in- Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Indo-European *-yéti Proto-Indo-European *-eh2yéti Proto-Indo-European *-h2ti Proto-Germanic *-ōną Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English weightlessness From weightless + -ness.
Across languages
Translations
48 source translations are retained for this English entry.
Armenian:
անկշռություն
(ankšṙutʻyun)
— having zero weight
Azerbaijani:
çəkisizlik
— having zero weight
Belarusian:
бязва́жкасць
(bjazvážkascʹ)
— having zero weight
Bulgarian:
безтегло́вност
(bezteglóvnost)
— having zero weight
Chinese Mandarin:
失重
(shīzhòng)
— having zero weight
Czech:
beztížnost
— having zero weight
Danish:
vægtløshed
— having zero weight
Dutch:
gewichtloosheid
— having zero weight
Estonian:
kaalutus
— having zero weight
Finnish:
painottomuus
— having zero weight
French:
apesanteur
— having zero weight
German:
Schwerelosigkeit
— having zero weight
Hungarian:
súlytalanság
— having zero weight
Italian:
assenza di peso
— having zero weight
Japanese:
無重力
(mujūryoku)
— having zero weight
Japanese:
無重量
(mujūryō)
— having zero weight
Kazakh:
салмақсыздық
(salmaqsyzdyq)
— having zero weight
Korean:
무중력
(mujungnyeok)
— having zero weight
Korean:
무중량
(mujungnyang)
— having zero weight
Macedonian:
бестежност
(bestežnost)
— having zero weight
Norwegian Bokmål:
vektløshet
— having zero weight
Norwegian Nynorsk:
vektløyse
— having zero weight
Polish:
nieważkość
— having zero weight
Portuguese:
imponderabilidade
— having zero weight
Romanian:
imponderabilitate
— having zero weight
Russian:
невесо́мость
(nevesómostʹ)
— having zero weight
Slovak:
beztiaž
— having zero weight
Slovene:
breztežnost
— having zero weight
Spanish:
ingravidez
— having zero weight
Swedish:
tyngdlöshet
— having zero weight
Turkish:
ağırlıksızlık
— having zero weight
Ukrainian:
неваго́мість
(nevahómistʹ)
— having zero weight
Uzbek:
vaznsizlik
— having zero weight
Vietnamese:
sự không trọng lượng
— having zero weight
Belarusian:
бязва́жкасць
(bjazvážkascʹ)
— experience or instance of being weightless
Bulgarian:
безтегло́вност
(bezteglóvnost)
— experience or instance of being weightless
Chinese Mandarin:
失重
(shīzhòng)
— experience or instance of being weightless
Faroese:
tyngdarloysi
— experience or instance of being weightless
German:
Schwerelosigkeit
— experience or instance of being weightless
Japanese:
無重力
(mujūryoku)
— experience or instance of being weightless
Japanese:
無重量
(mujūryō)
— experience or instance of being weightless
Kazakh:
салмақсыздық
(salmaqsyzdyq)
— experience or instance of being weightless
Korean:
무중력
(mujungnyeok)
— experience or instance of being weightless
Korean:
무중량
(mujungnyang)
— experience or instance of being weightless
Norwegian Nynorsk:
vektløyse
— experience or instance of being weightless
Russian:
невесо́мость
(nevesómostʹ)
— experience or instance of being weightless
Swedish:
viktlöshet
— experience or instance of being weightless
Ukrainian:
неваго́мість
(nevahómistʹ)
— experience or instance of being weightless
