weightless

weightless — adjective

1. not being pulled down by gravity, so that a person or object can float freely in

1.形容詞B2
釋義

not being pulled down by gravity, so that a person or object can float freely in the air or in water

例句

In zero gravity, an astronaut feels completely weightless and can float freely.

collocation: feel weightless / completely weightless

The swimmer felt weightless as she floated on her back in the pool.

同義詞
  • light

    much more common; describes low weight but not zero weight (A1–A2 word)

  • buoyant

    describes floating in liquid or air due to upward force; more technical

  • airy

    describes something that feels light and delicate, like fabric or texture; less extreme than weightless

反義詞
  • heavy

    direct opposite — having substantial weight

  • weighty

    formal; describes both physical heaviness and figurative importance

用法筆記

Frequently used in both literal contexts (space travel, water) and metaphorical contexts (emotional relief, lightness of movement). The metaphorical extension describes a feeling of freedom or lack of burden rather than actual physical weight.

常見錯誤

❌This bag is weightless' (when it is just not heavy).
✅This bag is very light.
💡weightless means zero or near-zero effective weight, not simply 'not heavy.'
❌The scientist studied weightless animals.
✅The scientist studied animals in a weightless environment.
💡the adjective describes the condition or feeling, not the animal itself as a permanent quality.