unpowered

/ˌən-ˈpau̇(-ə)rd How to pronounce unpowered (audio)/ (ame, mw)

unpowered — 形容詞

  • unpoweredpositive
  • more unpoweredcomparative
  • most unpoweredsuperlative

1. not using a motor, electricity, or another source of mechanical power

1.形容詞B2
釋義

無動力的

沒有馬達或電力驅動的

not using a motor, electricity, or another source of mechanical power

例句

Kenji trained in an unpowered glider before flying small planes alone.

Kenji 先用無動力滑翔機訓練，之後才單獨駕駛小飛機。

unpowered + glider in pilot training

The clinic keeps an unpowered wheelchair near the lift for emergencies.

診所把一台無動力輪椅放在電梯旁邊，以備緊急時使用。

unpowered + wheelchair in equipment descriptions

同義詞
  • motorless

    very close in meaning, especially for vehicles or machines without an engine

  • manual

    stresses that a person operates it by hand, not just that it lacks a motor

  • battery-free

    narrower; it only says that batteries are not used

反義詞
  • powered

    driven by a motor, electricity, or another built-in power source

  • motorized

    used especially for machines and vehicles fitted with a motor

文法句型

unpowered + glider/wheelchair/tool/vehicle

be unpowered

用法筆記

Often used in product or transport descriptions to contrast something with a powered version. It usually suggests that movement comes from a person, wind, or another outside force rather than from a built-in motor.

常見錯誤

❌After the vote, the mayor felt unpowered.
✅After the vote, the mayor felt powerless.
💡unpowered describes equipment or vehicles, not a person's lack of control.
❌The toy boat is unpowered because the wind moves it.
✅The toy boat is wind-powered.
💡if wind or another force drives it, the item is not unpowered.