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Definition fuel in American English

fuel verb

verb
/ˈfjuəl/

▪ criticism, debate, expectations, fears, rumors, speculation, worries

1

to make something increase or become worse, especially something unpleasant

Example

Graf's back problem fueled speculation that she might soon retire.

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2

to put gas into a vehicle or aircraft

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2.1

if a vehicle fuels or fuels up, it is filled with gas

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Definition fuel in American English