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

But for electrification to drive down heat-trapping emissions and tackle climate change, the extra electricity must come primarily from renewable sources -- rather than fossil fuels.

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

Turkey said raising the global share of energy demand met by electricity from roughly 20 percent to 35 percent by 2035 would speed up the shift from fossil fuels to renewable power.

From Barron's • Jun. 9, 2026

But trap too much, which humans were doing by burning fossil fuels, and everything started to overheat.

From "Two Degrees" by Alan Gratz