to hot up
hot
hɒt
hot
up
ʌp
ap

Definition & Meaning of "hot up"in English

to hot up
01

to make something warmer or hotter 

Dialectbritish flagBritish
Grammatical Information
Composition
phrasal
Action verb
Regular
Separable
Particle
up
Base verb
hot
Present tense
hot up
3rd person singular
hots up
Present participle
hotting up
Past simple
hotted up
Past participle
hotted up
Examples
I need to hot up the leftovers in the microwave for a quick meal. 
02

to increase in temperature 

Dialectbritish flagBritish
Intransitive
Examples
I left the soup on the stove, and it's starting to hot up, so I'll need to check on it. 
03

to become more intense or exciting, often referring to a situation, competition, or activity 

Dialectbritish flagBritish
Examples
As the competition hot up, the teams gave their all to secure the championship title. 
04

to modify a vehicle or its engine to enhance its power or performance 

Examples
He decided to hot up his car by adding a turbocharger for more horsepower. 
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