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to heat up

to heat up

80 3.4
To become more intense or make a situation more intense
  • phrasal verb
  • /hiːt ʌp/
: intensificarse
  • The call-in show was heating up: Nixon was either a criminal or a saint.

It's really heating up in the rest of the world.

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Examples

  • Things are really heating up at the castle tonight.

  • The healthcare reform continues to heat up in congress, but at what cost to the industry?

  • Things are just beginning to heat up between the couple inside the car.

    Fiction book (1993)
  • Things are heating up in this final match of the World Cup.

  • Looks like things are heating up quite nicely.

  • The real estate market was heating up, like the weather, so in this respect my timing was good.

    Fiction book (2001)
  • Yet just as this political infighting was heating up, European powers initiated an even larger conflict.

  • With the points race heating up, this race is primed to be one of the best of the seaso.

  • [Macro] Competition for the Tall Oaks Cup is really heating up.

  • As the competition progresses, tensions heat up among the teams.

Synonyms

to rise
vsto heat up
630 1.0

To become greater in amount or strength

is active or exciting increase rather than any neutral upward change
to fuel
vsto heat up
225 4.3

To make feelings, arguments or actions stronger

is broader and neutral, not only about feeding strong emotions or disputes
to escalate
vsto heat up
220 5.5

To become larger, more serious, or more intense

is usually less about seriousness and more about active or exciting increase
to step up
vsto heat up
125 3.4

Make something greater in amount, speed or strength

is a general rise in intensity or excitement without implied extra effort
to fire up
vsto heat up
  • Informal
124 4.1

Make people feel excited and ready to act

is the general increase in intensity or activity without strong emotion
to heighten
vsto heat up
120 4.1

To make a feeling, effect or situation stronger

is broader meaning overall rise in activity not only making things noticeable
to intensify
vsto heat up
99 4.0

Make something stronger or more intense

is the casual increase in excitement or activity rather than strict strengthening
to ramp up
vsto heat up
64 4.1

To increase something, especially its amount or speed

is general not limited to technical or business increases in intensity
to pump up
vsto heat up
  • Informal
53 4.1

Make someone feel excited and full of energy

is broader, meaning increased intensity rather than only added energy
to drive up
vsto heat up
52 3.9

To make prices rise to a higher level, often quickly

is the general rise in intensity not focused on values or prices
to crank up
vsto heat up
  • Informal
50 3.8

To increase the level or strength of something, for example volume, production

is a plain increase in intensity rather than a sudden spike
to spice up
vsto heat up
  • Informal
38 3.9

To make something more interesting or exciting

encapsulates general increase in intensity rather than only adding interest
to bump up
vsto heat up
33 3.4

To raise prices or amounts by a lot

is more about rising intensity not only measurable increases in quantity
to turn up the heat
vsto heat up
30 4.2

Make a situation more urgent to force someone to act

is the wider change in intensity not always meant to force action
to energize
vsto heat up
  • US
29 4.7

To give more energy to something, for example with electricity or light

is broader meaning increased intensity not only added energy
to ratchet up
vsto heat up
27 6.7

To increase something slowly until it becomes hard to reduce

is general increase in intensity without implying gradual irreversible steps
to shoot up
vsto heat up
25 4.1

Rise quickly to a much higher level

is broader and covers active or exciting increases beyond sudden surges
to get heated
vsto heat up
24 4.2

Become angry or excited during a discussion

is the general increase in intensity beyond heated argument contexts
to rev up
vsto heat up
  • Informal
21 4.6

To make something faster or more active

is the general rise in intensity not necessarily tied to speed increase
to liven up
vsto heat up
  • Informal
19 3.9

To make or become more active and interesting

is the general increase in intensity rather than only making lively
to excite
vsto heat up
16 2.7

To make something more active, alert or interested

is wider, covering intensity or activity beyond arousing response
to redouble
vsto heat up
  • Formal
12 6.5

To increase something a lot, often efforts or strength

is a simpler increase in intensity rather than a renewed large multiplication
to jazz up
vsto heat up
  • Informal
9 5.1

Make something more interesting and lively, like a room or outfit

is the neutral term for increased intensity, not necessarily informal or showy
to juice up
vsto heat up
  • Informal
8 6.7

Make an event like a party more lively and exciting

is broader and covers increased intensity without the informal forceful tone
to enliven
vsto heat up
8 4.1

Make something more active and interesting

is broader, covering all kinds of increased intensity, not only liveliness
to stoke up
vsto heat up
  • Informal
5 5.4

To add fuel to a fire or make energy and excitement stronger

is broader, meaning any rise in intensity not only by adding fuel
to supercharge
vsto heat up
4 5.8

To make something much more powerful or effective

means general growth in intensity without implying extreme enhancement
to pep up
vsto heat up
  • Informal
3 4.1

Make someone or something more lively and interesting

is the general increase in intensity or activity rather than mood only
to flame up
vsto heat up
3 4.6

To suddenly start burning strongly or become much more intense

is a broader term for growing intensity not only sudden bursts
to quicken
vsto heat up
3 5.1

To make a feeling or desire stronger

is the general increase in activity or excitement rather than quickening sensation
intensifying
vsto heat up
3 3.7

Becoming stronger or more intense

is the action of increasing excitement or activity not just gradual change
to enflame
vsto heat up
2 6.4

To make feelings like anger or excitement stronger

is general increase in intensity and activity beyond emotional focus
to rocket up
vsto heat up
2 4.4

Increase very quickly to a much higher level

is general growing intensity not necessarily sudden spikes in measures
to hot up
vsto heat up
  • UK
2 7.7

To become more active or exciting in a situation

is the common form used outside British speech for the same increase
to vivify
vsto heat up
  • Formal
1 8.2

To make something more lively or bright

is a general rise in intensity not limited to vivid visual effects
to turn heated
vsto heat up
1 6.3

Become angry or excited in a discussion

is broader, applying to many active or exciting increases beyond disputes
to whip up a storm
vsto heat up
  • Informal
1 6.8

To make food quickly or to cause strong excitement

describes general growth in intensity rather than rapid skilled provocation
to kick up excitement
vsto heat up
4.4

Make people more interested and eager about something

focuses on any increase in intensity and activity not only enthusiasm

Antonyms

to calm down
  • Informal
989 1.4

To become less angry, excited, or upset

How Intense

to escalate
220 5.5
to intensify
99 4.0
to heat up
80 3.4
to liven up
  • Informal
19 3.9
to warm up
173 2.2

Surface Forms

heat up infinitive
heated up past
heated up past participle
heating up present participle
heats up third person singular

Morphology

heat + up

The components 'heat' (make hotter/intense) and 'up' (increase) transparently signal an increase in intensity, so a learner who knows both words can infer a general meaning of making something more intense. However, the extension to abstract domains (e.g., 'heat up the party' = make it more exciting) relies on a metaphorical mapping rather than a strictly literal composition, so the relation is partially but not fully predictable.

Etymology

Heat up comes from the picture of a pan or room getting hotter; as things get hotter people or events can become stronger or more active, so we say they heat up. That's why it means 'to become more intense, active, or exciting'.