heat up

US /hiːt ˈʌp/

UK /hiːt ˈʌp/

1.

to make something hot or warmer

:

•

Can you heat up the soup for dinner?

•

The sun quickly heated up the car's interior.

:

warm up reheat cook

2.

to become more intense or exciting

:

•

The debate started to heat up as both sides presented their arguments.

•

The competition is really starting to heat up.

:

intensify escalate flare up become heated become exciting

:

heat heating the heat is on heat wave central heating dead heat in the heat of the moment