As things heat up vs Intensify

When to use each in English, with meaning, register, and examples.

As things heat up

InformalTop 2,000 (common)

Intensify

Top 2,000 (common)C1verb
Most formal: Intensify
 As things heat upIntensify
Pronunciation🇬🇧 //əz θɪŋz hiːt ʌp//🇺🇸 //əz θɪŋz hiːt ʌp//🇬🇧 /["/ɪnˈtensɪfaɪ/","/ɪnˈtensɪfaɪz/","/ɪnˈtensɪfaɪd/","/ɪnˈtensɪfaɪɪŋ/"]/🇺🇸 /["/ɪnˈtensɪfaɪ/","/ɪnˈtensɪfaɪz/","/ɪnˈtensɪfaɪd/","/ɪnˈtensɪfaɪɪŋ/"]/
MeaningWhen situations become more intense or serious.To make something stronger or more extreme.
ExampleAs things heat up, the competition became fiercer.Violence intensified during the night.
RegisterInformalNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR level-C1
Part of speechverb
Collocationsas things heat up, when things heat up, things heat up quickly, prepare for heat up, welcome the heat upgreatly, dramatically, rapidly, seem to, tend to, be likely to
Antonyms-diminish, reduce, weaken
Common mistakesIncorrectly translated as 'things get hot' literally., Used too seriously in lighthearted contexts., Confusing it with 'heat up' as in cooking.Using 'intensify' incorrectly with inanimate objects, like 'intensify the chair.', Confusing 'intensify' with 'intensification', which is a different form., Using 'intensify' in past tense incorrectly, such as 'intensified' without context.
Usage notesUse in casual conversations, often when discussing relationships or competitions. Avoid in formal writing.Use 'intensify' when describing emotions, situations, or actions that become stronger. It fits in both formal and informal contexts, but avoid using it in very casual conversations.

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As things heat up

Frequently asked questions: As things heat up vs Intensify

What's the difference between As things heat up and Intensify?

As things heat up: When situations become more intense or serious. Intensify: To make something stronger or more extreme.

Which is more formal: As things heat up and Intensify?

Intensify is the most formal of these.

Can you show an example of each?

As things heat up: As things heat up, the competition became fiercer. Intensify: Violence intensified during the night.

Can I use As things heat up and Intensify interchangeably?

Not always. As things heat up and Intensify are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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