Meaning & Definition of word "Weightlessness"

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    Weightlessness

    /ˈweɪt.ləs.nəs/

    noun:

    • 1. The condition of being without apparent weight, often experienced in a vacuum or in free fall.
      • Example: Astronauts experience weightlessness while orbiting the Earth.
    • 2. A state in which the force of gravity appears to be negligible.
      • Example: The weightlessness felt during the drop of a roller coaster can be exhilarating.
    • 3. The sensation of floating or having no weight.
      • Example: The cosmonaut described the feeling of weightlessness as liberating and surreal.
    • 4. A term used in physics to describe the absence of gravitational forces acting on a body.
      • Example: In weightlessness, physical objects behave differently than they do under normal gravitational conditions.

    Etymology

    From 'weight' + '-lessness', indicating the absence of weight.

    Common Phrases and Expressions

    experience weightlessness:

    To feel free from the effects of gravity, often occurs in space.

    weightlessness effects:

    The physiological and psychological impacts that occur in a weightless environment.

    Related Words

    gravity:

    The force that attracts a body toward the center of the earth, or toward any other physical body having mass.

    buoyancy:

    The ability or tendency to float in water or air.

    Slang Meanings of weightlessness

    Meaning: Floating like a feather

    Example Sentence: After a few moments in the Zero-G chamber, it felt like floating like a feather.

    Meaning: Space vibes

    Example Sentence: I've been feeling those space vibes ever since I tried parabolic flight.