mainduty
nounUK /ˌmeɪnˈdjuːti/
US /ˌmeɪnˈduːti/
The most important job you have to do.
Keeping the classroom clean is our mainduty as students.
RELATED WORDS
OTHER MEANINGS
2. The job that matters most in a team or group.
Her mainduty on the project was to check everyone's work.
3. The first thing you must take care of before anything else.
His mainduty at home is feeding the dog every morning.
4. A person's most important role in a family or workplace.
The nurse's mainduty is to keep patients safe and comfortable.