heat up
phrasal verb
heated up; heating up; heats up
1
: to become warm or hot
The morning started out cold but it heated up quickly.
2
: to become more active, intense, or angry
Their conversation started to heat up.
Competition between the two companies is heating up.
3
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
Royals offense heating up The Royals reconfigured their batting order on Tuesday.
—
Jaylon Thompson, Kansas City Star, 6 June 2025
Rumors only heated up once the team waited until the sixth round to select Ohio State quarterback Will Howard instead of taking someone like Shedeur Sanders in earlier rounds to potentially be their franchise man.
—Scott Thompson, FOXNews.com, 5 June 2025
Private moon exploration is heating up Today's landing attempt was part of a wave of private lunar exploration, which kicked off with Israel's Beresheet lander mission in 2019.
—Mike Wall, Space.com, 5 June 2025
The Bears were 3-2 — headed to 4-2 with the overseas victory over the Jacksonville Jaguars — and the meltdown that defined the season had yet to heat up.
—Brad Biggs, Chicago Tribune, 4 June 2025
See All Example Sentences for heat up
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Jaylon Thompson, Kansas City Star, 6 June 2025
Rumors only heated up once the team waited until the sixth round to select Ohio State quarterback Will Howard instead of taking someone like Shedeur Sanders in earlier rounds to potentially be their franchise man.
—Scott Thompson, FOXNews.com, 5 June 2025
Private moon exploration is heating up Today's landing attempt was part of a wave of private lunar exploration, which kicked off with Israel's Beresheet lander mission in 2019.
—Mike Wall, Space.com, 5 June 2025
The Bears were 3-2 — headed to 4-2 with the overseas victory over the Jacksonville Jaguars — and the meltdown that defined the season had yet to heat up.
—Brad Biggs, Chicago Tribune, 4 June 2025
See All Example Sentences for heat up
Cite this Entry
“Heat up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20up. Accessed 14 Jun. 2025.
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