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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Instead, the position will stay volatile as seats continue to heat up and get interchanged rapidly. —

Shayna Goldman, The Athletic, 31 Dec. 2024 As cyber warfare continues to heat up, that’s why we’re invested in two cybersecurity stocks: Palo Alto Networks and CrowdStrike . —

Jeff Marks, CNBC, 31 Dec. 2024 Raw milk is unpasteurized, meaning that it hasn’t been heated up to a temperature that kills potentially dangerous pathogens. —

Elizabeth Yuko, Rolling Stone, 31 Dec. 2024 The committee's investigation reportedly heated up early in 2024 as new witnesses were called in to testify. —

Virginia Chamlee, People.com, 23 Dec. 2024 See all Example Sentences for heat up