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.

Exxon prides itself on its ability to find and extract fossil fuels hidden deep in the earth’s crevices.

From The Wall Street Journal • May 28, 2026

Professor Bradshaw says this level of population growth is only possible because societies have relied heavily on fossil fuels and consumed natural resources faster than Earth can replenish them.

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

Budapest is highly dependent on Russian fossil fuels.

From Barron's • May 20, 2026

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

From "Two Degrees" by Alan Gratz