marathonswim
nounUK /ˈmærəθən swɪm/
US /ˈmærəθɑːn swɪm/
A very long swim that takes a lot of time and effort.
She trained for months before her first marathonswim across the lake.
RELATED WORDS
OTHER MEANINGS
2. A swimming event that covers a very long distance, often in open water.
The marathonswim drew athletes from all over the country.
3. The act of swimming for many hours without stopping.
His marathonswim lasted nearly ten hours.
4. A tough challenge that feels as long and tiring as a marathon.
Cleaning the whole house felt like a marathonswim.