/ ˌəʊvəˈhiːt; NAmE ˌoʊvərˈh-/ verb
1.
to become or to make sth become too hot :
[ v ]
The engine is overheating.
[ vn ]
It's vital not to overheat the liquid.
2.
[ v ] ( of a country's economy ) to be too active, with rising prices
► over·heat·ing noun [ U ]