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"powered" is also used as a crossword clue. If that's what you saw, the answer is often fuelled (7 letters).
Definitions
(often used in combination) having or using or propelled by means of power or power of a specified kind
Used in a sentence
“Around the same time, TCRT experimented with removing the motors on one of its older cars, turning it into an unpowered trailer that could be towed behind a powered car.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Supplied with energy”7 letters
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