heat up

phrasal verb

heated up; heating up; heats up

: to become warm or hot

The morning started out cold but it heated up quickly.

: to become more active, intense, or angry

Their conversation started to heat up.

Competition between the two companies is heating up.

heat (something) up or heat up (something) : to cause (something) to become warm or hot

Could you heat up the vegetables, please?

Examples of heat up in a Sentence

Recent Examples on the Web

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With fears of sweeping layoffs or a mass exodus of those who literally run the government, the hearing was a preview of a fight already heating up in Washington, that could impact the city’s landscape for years to come. —

Kristine Frazao, Baltimore Sun, 16 Jan. 2025 The Texas high school basketball season is heating up, and several players had big-time performances. —

Charles Baggarly, Fort Worth Star-Telegram, 16 Jan. 2025 Plans about how to return to growth dominate the agenda of every political party as the campaign for the Feb. 23 election heats up. —

Melissa Eddy, New York Times, 15 Jan. 2025 And that opener will christen a season in which disappointment or regression may find the seat under Cristobal’s job security heating up. —

Greg Cote, Miami Herald, 15 Jan. 2025 See all Example Sentences for heat up