Translation guide
The state of having no apparent weight, such as in space or free fall. In Japanese, this is most commonly expressed with the noun 無重力 (mujuuryoku), but related adjectives and descriptive phrases are also used depending on context.
Referring to the condition or phenomenon of weightlessness itself, such as in space or during free fall.
The standard term for 'weightlessness' or 'zero gravity'. Used in scientific, technical, and everyday contexts.
宇宙では無重力状態になる。
In space, you experience weightlessness.
無重力の影響を研究している。
They are researching the effects of weightlessness.
A more technical term literally meaning 'weightless state'. Often used in physics or engineering contexts.
無重量状態での実験が行われた。
Experiments were conducted in a weightless state.
Describing an object or person that is experiencing weightlessness or feels very light.
The adjectival form of 無重力, meaning 'weightless' or 'of zero gravity'. Used to modify nouns.
無重力の環境では物が浮く。
In a weightless environment, objects float.
Literally 'cannot feel one's body weight'. A more descriptive, everyday way to express the sensation of weightlessness.
宇宙に行くと、体重が感じられなくなる。
When you go to space, you become weightless.
An onomatopoeic adjective meaning 'fluffy' or 'light and floating'. Can describe the feeling of weightlessness in a casual, sensory way.
無重力でふわふわした感じがする。
It feels light and floaty in zero gravity.
Expressing the action or experience of becoming or being weightless.
To enter a state of weightlessness. Commonly used when describing astronauts or objects in free fall.
ロケットが軌道に乗ると、無重力状態になる。
Once the rocket enters orbit, you become weightless.
Literally 'one's body floats'. A natural, everyday way to describe the physical sensation of weightlessness.
無重力だと体が浮く。
In zero gravity, your body floats.
無重力 (mujuuryoku) is the common term for 'weightlessness' or 'zero gravity' in most contexts. 無重量 (mujuuryou) is more technical and often used in compound terms like 無重量状態 (weightless state). For everyday use, stick with 無重力.
Japanese often uses 感じ (kanji, 'feeling') to describe the sensation of weightlessness, e.g., 無重力の感じ (the feeling of weightlessness) or ふわふわした感じ (a light, floating feeling). This is natural when talking about personal experience.