This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Lacking in power, especially electrical power.

adj. Not using or requiring power, especially artificial power. For example, an unpowered boat (a sailing boat), aircraft (a glider) etc.

adj. not having or using power

"He could see an alteration in the starship’s flight dynamics—if you could call an unpowered, uncontrolled descent a flight—as the tractor beam wrestled with the atmosphere through which it passed."

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twenty-four-foot    unblocked    gee-whiz    four-masted    poems'