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Synonyms

heat up

Idioms  
  1. Become acute or intense, as in If inflation heats up, the interest rate will surely rise, or The debate over the budget was heating up. [Early 1200s]


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.

As gas prices heat up, there are growing signs that consumers are cooling on big-ticket purchases such as refrigerators, other major home appliances and furniture.

From MarketWatch • May 15, 2026

Over the next few days, ocean breezes will die down and the beaches will heat up.

From Los Angeles Times • May 6, 2026

Have you ever felt your smartphone heat up after heavy use or watched the battery drop at the worst possible moment?

From Science Daily • May 3, 2026

While some tech stocks stalled, investors flocked to overlooked corners of the market, enticed by lower valuations and the idea that the economy would heat up.

From The Wall Street Journal • Mar. 31, 2026

He would turn on the space heater, visit the band shell lavatory, then heat up some water, get breakfast ready, and finally wake the boy with a gentle shake of the shoulder.

From "Maniac Magee" by Jerry Spinelli

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