English Reference
Verb

overheat

v.
B2 Upper Intermediate US /ˈoʊvɝˌhit/ UK /ˌəʊvəhˈiːt/ over·heat UK spelling overheated, overheats Economics

v.to become too hot, especially for a machine or a person. It can also describe an economy that grows too fast and becomes unstable.

v.to become excessively hot, typically leading to a malfunction or health risk. In an economic context, it refers to a period of rapid growth that eventually leads to a correction or crash.


SIMPLE

The computer will overheat if you leave it in the sun.

CONTEXTUAL

Economists warned that the housing market was beginning to overheat as prices rose faster than wages.

COMPLEX

While the initial surge in consumer spending was welcomed, the central bank feared the economy was overheating, leading to a rapid increase in inflation that would require an emergency interest rate hike.

More typically, it’s been a beacon for the half-collapsed, exhausted and overheated hikers trudging down the Grand Canyon for more than a century.

The Guardian· 1 Sept 2026
This entry
Level B2 · Upper Intermediate
Frequency Occasional
Updated