A prolonged period of abnormally hot weather: when a heatwave occurs many people become increasingly bad-tempered
More example sentences
- Weather forecasters predict the heatwave will continue in the Bradford district into next week.
- June is a funny month seeing anything from snow to thunderstorms to heatwaves.
- Floods, storms, heatwaves and droughts have created headlines in the UK over recent years.
Definition of heatwave in:
- The US English dictionary