fossil fuels

NOUN

fuel derived from prehistoric organisms

Synonyms

WEAK

hydrocarbon deposit nonrenewable energy nonrenewable fuel source

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Steyer, 68, made his fortune founding a hedge fund that included investments in fossil fuels, private prisons and other businesses that are controversial among Democrats.

From Los Angeles Times • Jun. 10, 2026

In simple terms, electrification means replacing technologies that burn fossil fuels directly -- such as gas heating systems and diesel vehicles -- with electric alternatives.

From Barron's • Jun. 9, 2026

Chief Executive Meg O’Neill oversees a shift back to fossil fuels after a failed renewables foray and Chairman Albert Manifold’s firing.

From The Wall Street Journal • Jun. 9, 2026

The energy major’s restructure creates two units: one for fossil fuels, and another for customers and markets.

From The Wall Street Journal • Jun. 9, 2026

It was grown without the help of fossil fuels, pesticides, or chemical fertilizers.

From "The Omnivore's Dilemma" by Michael Pollan