strains
nounUK /streɪnz/
US /streɪnz/
Strains are the hard work and worry that make you feel tired.
The long trip put a lot of strains on the old car.
OTHER MEANINGS
2. Different types or varieties of something, like plants or germs.
Scientists studied several strains of the virus.
3. To stretch or pull something tightly.
She strains the rope until it is tight.
4. To try very hard to do something.
He strains to hear the quiet music.
5. Injuries to a muscle from too much use.
The runner got strains in both legs.