Required by rule is the main meaning of compulsory.
Compulsory
Imperative.
"Compulsory" is a synonym for "mandatory," as both terms refer to something that is required or obligatory. It is not an antonym, which would imply a meaning opposite to being required. In contexts where something is described as compulsory, it indicates that compliance is not optional.
Something is compulsory if you have to do it, if you are forced to do it. If you have a choice, it's non-compulsory.
The prefix for compulsory is "in-".
It is compulsory that you do your homework on time.
"Compulsory" is an adjective.
no it is not compulsory but there are schools there......................
Coined by the Czech, Karel Capek, 'robota' meaning compulsory labour. Or 'robotnik', a peasant owing such labour
No math is not compulsory for CA.
The opposite of compulsory (compelled) would be voluntary or optional.
If something is compulsory, it means it is required by either law or rule.Ex. "Math is compulsory in most schools."It is compulsory for me to go to school every day.