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fuel JUST WRITTEN FOR YOU

/ˈfjuːl/ · fu·el
noun
  1. Substance consumed to provide energy through combustion, or through chemical or nuclear reaction. The car runs on gasoline fuel.
  2. Substance that provides nourishment for a living organism; food. Plants use sunlight, water, and carbon dioxide as fuel for photosynthesis.
  3. Something that stimulates, encourages or maintains an action. His books were fuel for the revolution.
verb
  1. To provide with fuel. The truck was fueled at the gas station.
  2. To exacerbate, to cause to grow or become greater. The politician's words fueled the crowd's anger.
Did you know? The word 'fuel' has been used in various contexts, including science, literature, and politics, and its meaning has evolved over time to encompass different types of energy and stimulation. Interestingly, the term 'fuel' was first used in the 14th century to describe wood or other materials used for burning.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 23, 2026