Heat up definitions

Heat up

1) Become intense 2) Get exciting 3) Get intense 4) Get more intense 5) Intensify 6) Use the microwave
Found on https://www.crosswordclues.com/clue/heat-up

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heat up

[v] - make more intense
Found on http://www.webdictionary.co.uk/definition.php?query=heat%20up

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heat up

verb make more intense; `Emotions were screwed up`
Found on https://www.encyclo.co.uk/local/20974

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