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.

Airlines so far have favored these “drop-in fuels,” because they are chemically identical to fossil fuels and work with traditional engines.

From The Wall Street Journal • Jun. 2, 2026

Its Prime Minister Feleti Teo has made clear that he believes "opening, subsidising and exporting fossil fuels is immoral and unacceptable".

From Barron's • May 28, 2026

According to the study, dependence on fossil fuels has temporarily hidden the effects of ecological overshoot by supporting food production, industrial growth, and energy supplies.

From Science Daily • May 27, 2026

These record-smashing heatwaves have come in a world about 1.4C warmer on average than during the late 19th Century, because of human activities such as the burning of fossil fuels.

From BBC • May 26, 2026

Shipping food thousands of miles and burning up fossil fuels went against his whole philosophy as a farmer.

From "The Omnivore's Dilemma" by Michael Pollan