o ‧ ver ‧ heat /ˌəʊvəˈhiːt $ ˌoʊvər-/ BrE AmE verb [intransitive and transitive]
[ Word Family: noun : ↑ heat , ↑ heater , ↑ heating ; verb : ↑ heat , ↑ overheat ; adverb : ↑ heatedly ; adjective : ↑ heated ≠ UNHEATED ]
1 . to become too hot, or to make something too hot:
I think the engine’s overheating again.
Try not to overheat the sauce.
2 . if a country’s ↑ economy overheats, or if something overheats it, it grows too fast and this leads to increases in prices, salaries, interest rates etc