exertion

Everyday

1. Hard physical or mental effort. tree →
2. Using strength or power to do something. tree →

In the lessons

In PE and health lessons: after exertion your heart beats faster, you breathe hard and sweat. In stories: «red-faced with exertion», «panting from the exertion». In science, exerting a force means pushing or pulling.

Examples

• She was out of breath from the exertion of the race. tree →
• His face was red with exertion. tree →
• After all that exertion, we needed a drink of water. tree →
• Climbing the hill took a lot of exertion. tree →
• Rest after heavy exertion. tree →
• The exertion of carrying the boxes made him tired. tree →
• In that way I may be able to kill them without much exertion.” tree →

Note

Mostly uncountable; plural «exertions» means a lot of efforts. Verb: exert (exert a force, exert yourself). Safety: drink water and rest after hard exertion, especially in heat.