heat up
IdiomsExample Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Scientists warn the intensity and frequency of extreme weather events will increase as the planet continues to heat up because of fossil fuel emissions.
From Barron's ● Aug. 10, 2026
Tiny particles of comet material enter the atmosphere at tremendous speed, heat up, and produce bright streaks across the sky.
From Science Daily ● Aug. 5, 2026
"I think this one really hits home. We are seeing the world heat up so, yeah, it really resonates in today's world," he told Lucy Owen on BBC Radio Wales.
From BBC ● Jul. 26, 2026
That’s pushing up borrowing costs around the world, with the 10-year Treasury yield at its highest level in more than a year amid fears that inflation could heat up again.
From The Wall Street Journal ● Jul. 23, 2026
We didn’t need it: It was almost always warm outside, and if the nights got chilly, Mom would heat up the water for our baths.
From "How Dare the Sun Rise" by Sandra Uwiringiyimana
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
