It is obligatory for us to attend school.
obligatory points digram
It is obligatory that we finish this assignment before class ends.
Another word for obligatory is "required" or "necessary".
Obligatory Villagers was created on 2007-09-25.
fasting is obligatory at the month of Ramadan only other days the fasting is optional , fasting is obligatory for adult Muslim , but if there is satisfactory condition it will not be obligatory and if you have to travel and it make you tired so it will not be obligatory
Obligatory points are strategic control points used to govern railway alignment
It's not really obligatory in any way
Optional means non-obligatory or suggested.
In our house it is obligatory for everybody to do daily chores.
In a well-made play, the obligatory scene is the scene:
An obligatory parasite is a parasite which totally dependent on others for survival.