fuel

US /ˈfjuː.əl/
UK /ˈfjuː.əl/
"fuel" picture
1.

material such as coal, gas, or oil that is burned to produce heat or power

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The car runs on unleaded fuel.
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They are exploring alternative fuels for heating homes.
:
energy sourcepower sourcecombustiblegasoilcoal
2.

something that sustains or encourages a feeling or activity

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His anger provided the fuel for his passionate speech.
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The rumors provided fresh fuel for the gossip.
:
stimulusimpetuscatalystincentiveprovocation
1.

supply or power (an engine, vehicle, or industrial plant) with fuel

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The aircraft was being fueled for its long journey.
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The power plant is fueled by natural gas.
:
powerenergizechargefill uprefuel
2.

sustain or inflame (a feeling or passion)

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The protests helped to fuel public anger.
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His words only served to fuel her resentment.
:
inciteprovokestimulateexacerbateintensify
:
fossil fuelfuel-efficientadd fuel to the fire